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Sample records for del toro panama

  1. Variation in mangrove forest structure and sediment characteristics in Bocas del Toro, Panama

    Science.gov (United States)

    Lovelock, C.E.; Feller, Ilka C.; McKee, K.L.; Thompson, R.

    2005-01-01

    Mangrove forest structure and sediment characteristics were examined in the extensive mangroves of Bocas del Toro, Republic of Panama. Forest structure was characterized to determine if spatial vegetation patterns were repeated over the Bocas del Toro landscape. Using a series of permanent plots and transects we found that the forests of Bocas del Toro were dominated by Rhizophora mangle with very few individuals of Avicennia germinans and Laguncularia racemosa. Despite this low species diversity, there was large variation in forest structure and in edaphic conditions (salinity, concentration of available phosphorus, Eh and sulphide concentration). Aboveground biomass varied 20-fold, from 6.8 Mg ha-1 in dwarf forests to 194.3 Mg ha-1 in the forests fringing the land. But variation in forest structure was predictable across the intertidal zone. There was a strong tree height gradient from seaward fringe (mean tree height 3.9 m), decreasing in stature in the interior dwarf forests (mean tree height 0.7 m), and increasing in stature in forests adjacent to the terrestrial forest (mean tree height 4.1 m). The predictable variation in forest structure emerges due to the complex interactions among edaphic and plant factors. Identifying predictable patterns in forest structure will aid in scaling up the ecosystem services provided by mangrove forests in coastal landscapes. Copyright 2005 College of Arts and Sciences.

  2. Early neogene history of the central American arc from Bocas del Toro, western Panama

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    Coates, A.G.; Aubry, M.-P.; Berggren, W.A.; Collins, Luke S.; Kunk, M.

    2003-01-01

    A newly discovered sequence of lower to middle Miocene rocks from the eastern Bocas del Toro archipelago, western Panama, reveals the timing and environment of the earliest stages in the rise of the Isthmus of Panama in this region. Two new formations, the Punta Alegre Formation (lower Miocene, Aquitanian to Burdigalian) and the Valiente Formation (middle Miocene, Langhian to Serravallian), are here named and formally described. The Punta Alegre Formation contains a diagnostic microfauna of benthic and planktic foraminifera and calcareous nannofossils that indicate deposition in a 2000-m-deep pre-isthmian neotropical ocean from as old as 21.5-18.3 Ma. Its lithology varies from silty mudstone to muddy foraminiferal ooze with rare thin microturbidite layers near the top. The Valiente Formation, which ranges in age from 16.4 to ca. 12.0 Ma, lies with slight angular unconformity on the Punta Alegre Formation and consists of five lithofacies: (1) columnar basalt and flow breccia, (2) pyroclastic deposits, (3) coarse-grained volcaniclastic deposits, (4) coral-reef limestone with diverse large coral colonies, and (5) marine debris-flow deposits and microturbidities. These lithofacies are interpreted to indicate that after ca. 16 Ma a volcanic arc developed in the region of Bocas del Toro and that by ca. 12 Ma an extensively emergent archipelago of volcanic islands had formed. 39Ar/40Ar dating of basalt flows associated with the fossiliferous sedimentary rocks in the upper part of the Valiente Formation strongly confirms the ages derived from planktic foraminifera and nannofossils. Paleobathymetric analysis of the two new formations in the Valiente Peninsula and Popa Island, in the Bocas del Toro archipelago, shows a general shallowing from lower- through upper-bathyal to upper-neritic and emergent laharic and fluviatile deposits from ca. 19 to 12 Ma. The overlying nonconformable Bocas del Toro Group contains a lower transgressive sequence ranging from basal nearshore

  3. Decadal increase in seagrass biomass and temperature at the CARICOMP site in Bocas del Toro, Panama

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    Jorge M. López-Calderón

    2013-12-01

    Full Text Available The Caribbean Coastal Marine Productivity Program (CARICOMP was launched in 1993 to study regional long-term interactions between land and sea, taking standardized measurements of productivity and biomass of mangroves, coral reefs and seagrasses. Since 1999 continuous measurements of seagrass (Thalassia testudinum parameters as well as environmental data have been recorded in Caribbean Panama. Replicate stations were selected near the Smithsonian Tropical Research Institute in Bocas del Toro. Sediment cores and quadrants were placed there to estimate biomass and productivity, respectively. Mean values for productivity, standing crop, turnover rate, total dry biomass, and Leaf Area Index were 1.74gDW/m²/d, 66.6gDW/m², 2.62%/d, 1 481 gDW/m², and 4.65, respectively. Total dry biomass (shoots, rhizomes and roots and LAI of T. testudinum increased significantly during the study period. Mean values for total rainfall, Secchi disk depth, sea surface temperature, and salinity were 3 498mm, 8.24m, 28.79°C, and 32.26psu, respectively. Sea surface temperature was the only environmental variable with a statistically significant change, increasing from 1999 to 2010. Correlation between sea surface temperature and T. testudinum parameters (total biomass and LAI were both positive and significant. Human population has increased dramatically over the last ten years in Bocas del Toro region, increasing pressure (deforestation, runoff, wastewater over coastal ecosystems (seagrasses, mangroves, coral reefs. Change in the abundance of T. testudinum may be linked to ocean warming, as a consequence to satisfy plant’s metabolic requirements, although other local factors need to be analyzed (reduced grazing and increased eutrophication. A further warming of the ocean could have a negative effect on T. testudinum population, increasing respiratory demands and microbial metabolism.

  4. Modiolarca lateralis (Pteryomorphia: Mytilidae: bivalve associated to six species of ascidians from Bocas del Toro, Panama

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    Juan I Cañete

    2013-11-01

    Full Text Available We describe the presence of the bivalve Modiolarca lateralis (Say, 1822 in six tropical ascidians Ascidia curvata, A. sydneiensis, A. panamensis, A. interrupta, Herdmania pallida and Polycarpa spongiabilis collected at depths of 1-3 m on coral reefs, mangrove roots and dock supports in Almirante Bay, Bocas del Toro, Panama (9°18'N, 82°13'W during June-July 2011. Bivalve prevalence varied between 9-30% across species, but was mainly associated with A. panamensis, P. spongiabilis and A. interrupta. Prevalence seems to be influenced by tunic thickness rather than by the ascidian size. Bivalves varied in size (0.6-11 mm shell length, with the smallest individual found in A. sydneiensis. There were only one or two bivalves per ascidians, although a maximum of 18 was found in one A. panamensis. M. lateralis seems to behave similarly to its temperate counterparts: it has a variety of hosts, occurs mainly in the anterior region of the ascidians, and has a variable abundance per host.

  5. When depth is no refuge: cumulative thermal stress increases with depth in Bocas del Toro, Panama

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    Neal, B. P.; Condit, C.; Liu, G.; dos Santos, S.; Kahru, M.; Mitchell, B. G.; Kline, D. I.

    2014-03-01

    Coral reefs are increasingly affected by high-temperature stress events and associated bleaching. Monitoring and predicting these events have largely utilized sea surface temperature data, due to the convenience of using large-scale remotely sensed satellite measurements. However, coral bleaching has been observed to vary in severity throughout the water column, and variations in coral thermal stress across depths have not yet been well investigated. In this study, in situ water temperature data from 1999 to 2011 from three depths were used to calculate thermal stress on a coral reef in Bahia Almirante, Bocas del Toro, Panama, which was compared to satellite surface temperature data and thermal stress calculations for the same area and time period from the National Oceanic and Atmospheric Administration Coral Reef Watch Satellite Bleaching Alert system. The results show similar total cumulative annual thermal stress for both the surface and depth-stratified data, but with a striking difference in the distribution of that stress among the depth strata during different high-temperature events, with the greatest thermal stress unusually recorded at the deepest measured depth during the most severe bleaching event in 2005. Temperature records indicate that a strong density-driven temperature inversion may have formed in this location in that year, contributing to the persistence and intensity of bleaching disturbance at depth. These results indicate that depth may not provide a stress refuge from high water temperature events in some situations, and in this case, the water properties at depth appear to have contributed to greater coral bleaching at depth compared to near-surface locations. This case study demonstrates the importance of incorporating depth-stratified temperature monitoring and small-scale oceanographic and hydrologic data for understanding and predicting local reef responses to elevated water temperature events.

  6. Neogene reef coral assemblages of the Bocas del Toro region, Panama: the rise of Acropora palmata

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    Klaus, J. S.; McNeill, D. F.; Budd, A. F.; Coates, A. G.

    2012-03-01

    Temporal patterns are evaluated in Neogene reef coral assemblages from the Bocas del Toro Basin of Panama in order to understand how reef ecosystems respond to long-term environmental change. Analyses are based on a total of 1,702 zooxanthellate coral specimens collected from six coral-bearing units ranging in age from the earliest Late Miocene to the Early Pleistocene: (1) Valiente Formation (12-11 Ma), (2) Fish Hole Member of the Old Bank Formation (5.8-5.6 Ma), (3) La Gruta Member of the Isla Colon Formation (2.2-1.4 Ma), (4) Ground Creek Member of the Isla Colon Formation (2.2-1.4 Ma), (5) Mimitimbi Member of the Urracá Formation (1.2-0.8 Ma), and (6) Hill Point Member of the Urracá Formation (1.2-0.8 Ma). Over 100 coral species occur in the six units, with faunal assemblages ranging from less than 10% extant taxa (Valiente Formation) to over 85% extant taxa (Ground Creek Member). The collections provide new temporal constraints on the emergence of modern Caribbean reefs, with the La Gruta Member containing the earliest occurrence of large monospecific stands of the dominant Caribbean reef coral Acropora palmata, and the Urracá Formation containing the last fossil occurrences of 15 regionally extinct taxa. Canonical correspondence analysis of 41 Late Miocene to Recent reef coral assemblages from the Caribbean region suggests changes in community structure coincident with effective oceanic closure of the Central American Seaway (~3.5 Ma). These changes, including increased Acropora dominance, may have contributed to a protracted period of elevated extinction debt prior to the major peak in regional coral extinctions (~2-1 Ma).

  7. Embryo production in the sponge-dwelling snapping shrimp Synalpheus apioceros (Decapoda, Alpheidae) from Bocas del Toro, Panama

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    Rebolledo, Adriana P.; Wehrtmann, Ingo S.; Felder, Darryl L.; Mantelatto, Fernando L.

    2014-01-01

    Abstract Caridean shrimps of the genus Synalpheus are abundant and widely distributed in tropical and subtropical regions, but knowledge of their reproductive biology remains scarce. We report reproductive traits of Synalpheus apioceros from Bocas del Toro, Panama, based on collections in August 2011. The 46 ovigerous females that were analyzed ranged in size from 3.8 to 7.4 mm in carapace length. Fecundity varied between 8 and 310 embryos and increased with female size. Females invested 18.6 ± 10.3% of their body weight in Embryo production. Embryo volume increased considerably (77.2%) during embryogenesis, likely representing water uptake near the end of incubation period. Compared to Synalpheus species with abbreviated or direct development, Synalpheus apioceros produced substantially smaller embryos; however, Synalpheus apioceros seems to have a prolonged larval phase with at least five zoeal stages, which may explain the combination of relatively small and numerous embryos. We did not find nonviable, minute, chalky embryos, previously reported for Synalpheus apioceros specimens obtained from the northwestern Gulf of Mexico, which supports the hypothesis that the production of this type of embryos may be a physiological response of this warm-water species to the temperature decrease near to its latitudinal range limit. PMID:25561839

  8. Sources and spatial distribution of heavy metals in scleractinian coral tissues and sediments from the Bocas del Toro Archipelago, Panama.

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    Berry, Kathryn L E; Seemann, Janina; Dellwig, Olaf; Struck, Ulrich; Wild, Christian; Leinfelder, Reinhold R

    2013-11-01

    Marine ecosystems worldwide are threatened by aquatic pollution; however, there is a paucity in data from the Caribbean region. As such, five heavy metals (arsenic, cadmium, copper, zinc, mercury) were measured in tissues of the scleractinian corals Porites furcata and Agaricia tenuifolia and in adjacent sediments in the Bocas del Toro Archipelago, Panama. Samples were collected from five reef sites along a gradient of distance from an international shipping port and were analysed using inductively coupled plasma optical emission spectrometry and atomic absorption spectrophotometry for mercury. Copper and zinc were the most abundant metals and ranged from 11 to 63 mg kg(-1) and from 31 to 185 mg kg(-1) in coral tissues, respectively. The highest concentration of each metal was measured in P. furcata tissues, with copper and mercury concentrations significantly higher in P. furcata than in A. tenuifolia at every site. These results suggest that P. furcata has a higher affinity for metal accumulation and storage than A. tenuifolia. With the exception of cadmium, metal concentrations in coral tissues were generally elevated at coral reefs in closer proximity to the port; however, this pattern was not observed in sediments. Hard coral cover was lowest at reefs in closest proximity to the port, suggesting that metal pollution from port-related activities is influencing hard coral abundance at nearby coral reefs.

  9. Embryo production in the sponge-dwelling snapping shrimp Synalpheus apioceros (Decapoda, Alpheidae from Bocas del Toro, Panama

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    Adriana Rebolledo

    2014-11-01

    Full Text Available Caridean shrimps of the genus Synalpheus are abundant and widely distributed in tropical and subtropical regions, but knowledge of their reproductive biology remains scarce. We report reproductive traits of Synalpheus apioceros from Bocas del Toro, Panama, based on collections in August 2011. The 46 ovigerous females that were analyzed ranged in size from 3.8 to 7.4 mm in carapace length. Fecundity varied between 8 and 310 embryos and increased with female size. Females invested 18.6 ± 10.3% of their body weight in Embryo production. Embryo volume increased considerably (77.2% during embryogenesis, likely representing water uptake near the end of incubation period. Compared to Synalpheus species with abbreviated or direct development, S. apioceros produced substantially smaller embryos; however, S. apioceros seems to have a prolonged larval phase with at least five zoeal stages, which may explain the combination of relatively small and numerous embryos. We did not find nonviable, minute, chalky embryos, previously reported for S. apioceros specimens obtained from the northwestern Gulf of Mexico, which supports the hypothesis that the production of this type of embryos may be a physiological response of this warm-water species to the temperature decrease near to its latitudinal range limit.

  10. Stable isotopes in bivalves as indicators of nutrient source in coastal waters in the Bocas del Toro Archipelago, Panama.

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    Graniero, Lauren E; Grossman, Ethan L; O'Dea, Aaron

    2016-01-01

    To examine N-isotope ratios ((15)N/(14)N) in tissues and shell organic matrix of bivalves as a proxy for natural and anthropogenic nutrient fluxes in coastal environments, Pinctada imbricata, Isognomon alatus, and Brachidontes exustusbivalves were live-collected and analyzed from eight sites in Bocas del Toro, Panama. Sites represent a variety of coastal environments, including more urbanized, uninhabited, riverine, and oceanic sites. Growth under differing environmental conditions is confirmed by δ (18)O values, with open ocean Escudo de Veraguas shells yielding the highest average δ (18)O (-1.0‰) value and freshwater endmember Rio Guarumo the lowest (-1.7‰). At all sites there is no single dominant source of organic matter contributing to bivalve δ (15)N and δ (13)C values. Bivalve δ (15)N and δ (13)C values likely represent a mixture of mangrove and seagrass N and C, although terrestrial sources cannot be ruled out. Despite hydrographic differences between end-members, we see minimal δ (15)N and δ (13)C difference between bivalves from the river-influenced Rio Guarumo site and those from the oceanic Escudo de Veraguas site, with no evidence for N from open-ocean phytoplankton in the latter. Populated sites yield relative (15)N enrichments suggestive of anthropogenic nutrient input, but low δ (15)N values overall make this interpretation equivocal. Lastly, δ (15)N values of tissue and shell organic matrix correlate significantly for pterioideans P. imbricata and I. alatus. Thus for these species, N isotope studies of historical and fossil shells should provide records of ecology of past environments.

  11. Variation in species diversity and functional traits of sponge communities near human populations in Bocas del Toro, Panama

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    Cole G. Easson

    2015-11-01

    Full Text Available Recent studies have renewed interest in sponge ecology by emphasizing the functional importance of sponges in a broad array of ecosystem services. Many critically important habitats occupied by sponges face chronic stressors that might lead to alterations in their diversity, relatedness, and functional attributes. We addressed whether proximity to human activity might be a significant factor in structuring sponge community composition, as well as potential functional roles, by monitoring sponge diversity and abundance at two structurally similar sites that vary in distance to areas of high coastal development in Bocas Del Toro, Panama. We surveyed sponge communities at each site using belt transects and differences between two sites were compared using the following variables: (1 sponge species richness, Shannon diversity, and inverse Simpson’s diversity; (2 phylogenetic diversity; (3 taxonomic and phylogenetic beta diversity; (4 trait diversity and dissimilarity; and (5 phylogenetic and trait patterns in community structure. We observed significantly higher sponge diversity at Punta Caracol, the site most distant from human development (∼5 km. Although phylogenetic diversity was lower at Saigon Bay, the site adjacent to a large village including many houses, businesses, and an airport, the sites did not exhibit significantly different patterns of phylogenetic relatedness in species composition. However, each site had a distinct taxonomic and phylogenetic composition (beta diversity. In addition, the sponge community at Saigon included a higher relative abundance of sponges with high microbial abundance and high chlorophyll a concentration, whereas the community at Punta Caracol had a more even distribution of these traits, yielding a significant difference in functional trait diversity between sites. These results suggest that lower diversity and potentially altered community function might be associated with proximity to human populations

  12. Neogene-quaternary Ostracoda and paleoenvironments, of the Limón basin, Costa Rica, and Bocas del Toro basin, Panama

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    Borne, P.F.; Cronin, T. M.; Hazel, J.E.

    1999-01-01

    Tropical marine ostracodes from Neogene and Quaternary sediments of the Central American Caribbean region have been the subject of biostratigraphic, ecological, taxonomic, and evolutionary studies. As part of the Panama Paleontology Project (PPP), Neogene and Quaternary ostracodes are being studied from the Central American region. The overall goal of this research is to evaluate the impact of the emergence of the Central American Isthmus as a land barrier between the Caribbean/tropical Atlantic and the Pacific oceans on marine ostracode biodiversity and the oceanic environments in which extant ostracodes evolved. Due to the ecological specificity of many living tropical ostracode species, they are ideally suited for reconstructing paleoenvironments on the basis of their occurrence in fossil assemblages, which in turn can lead to a better understanding of the tropical climatic and tectonic history of Central America. The principal aims of this chapter are: (a) to document the composition of the ostracode assemblages from the Limón Basin of Costa Rica and the Bocas del Toro Basin of Panama, two areas yielding extensive ma rine ostracode assemblages; (b) to describe the environments of deposition within these basins; and (c) to document the stratigraphic distribution of potentially agediagnostic ostracode species in the Limón and Bocas del Toro basins in order to enhance their use in Central American biostratigraphy. A secondary, but none-the-less important goal is to assemble a database on the distribution of modem ostracode species in the Caribbean and adjacent areas as a basis for comparison with fossil assemblages. Although the ecological, biostratigraphic and paleoenvironmental conclusions presented here will improve as additional material is studied, these fossil and modem ostracode databases constitute the foundation for future evolutionary and geochernical studies of tropical Caribbean and eastern Pacific Ocean ostracodes. Moreover, we present here evidence

  13. Ataque por animales acuáticos (tiburón y cocodrilo: A propósito de dos casos fatales en la provincia de Bocas del Toro (Panamá Attack for aquatic animals (shark and alligator: Report of two fatal cases in the Bocas del Toro province (Panama

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    C. Mendieta

    2009-10-01

    Full Text Available Los ataques por animales acuáticos, y especialmente los producidos por tiburón y cocodrilo, son muy poco frecuentes. Se han descrito ataques por tiburón en países como Australia, Sudáfrica, Brasil, Bahamas, México y Puerto Rico, algunos con resultado fatal en los últimos cinco años. En Panamá, los casos descritos de ataques por escualo son escasos, siendo el último descrito con resultado no fatal en julio de 2008 en una playa de la localidad de San Carlos mientras que el último caso fatal se remonta al año 1964. Los ataques por cocodrilo, al igual que en el caso anterior, son poco frecuentes. A nivel mundial la mayor parte de los casos descritos proceden de Australia, Angola, India, Brasil y Florida. En Panamá, el último caso fatal ocurrió en el Lago de Miraflores en mayo de 2007, pero el cadáver no fue encontrado. En este artículo se describen dos casos de depredación animal, por tiburón y cocodrilo, en la provincia de Bocas del Toro (Panamá con el objetivo de reconocer el patrón de las lesiones por mordedura y las áreas anatómicas vulnerables afectadas.Attacks for aquatic animals, especially those due to shark and alligator, are very unusual. Shark attacks have been reported in countries such as Australia, South Africa, Brazil, Bahamas, Mexico and Puerto Rico, some with fatal consequences in the last five years. In Panama, reported cases from shark attack are scarce, being the last one in the city of San Carlos, while the last fatal case was reported in the year 1964. Alligator attacks, as in the previous case, are very scarce. Worldwide, the major part of the described cases are from Australia, Angola, India, Brazil and Florida. In Panama, the last fatal case occurred in the Miraflores lake in May 2007; however, the corpse was never found. In this paper, we described two cases of animal predation, from shark and alligator, occurred in the Bocas del Toro province (Panama with the aim to recognize the pattern of bite

  14. Du soutenable à l’insoutenable : le tourisme à Bocas del Toro (Panama. L’impact des logiques nationales et globales dans la déstructuration progressive d’une société d’accueil From sustainable to the unsustainable: tourism in Bocas del Toro (Panama. The impact of national and global logic in the gradual collapse of a host society Del sostenible al insostenible : el turismo en Bocas del Toro (Panamá. El impacto de la lógica nacional y mundial en el colapso gradual de una sociedad de acogida

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    Camille Le Masne

    2010-06-01

    Full Text Available L’objectif poursuivi par cet article, issu d’une enquête d’un mois sur l’archipel de Bocas del Toro en février 2009, est d’évaluer les mutations engendrées par l’avènement du tourisme sur l’île de Colon depuis une vingtaine d’année. Le développement de ce boom touristique en deux étapes assez différenciées – celle du tourisme dit soutenable de 1990 à 2002, puis seconde phase avec un  tourisme non contrôlé – nous a permis de dresser une analyse historique des rapports qu’entretiennent les populations à l’activité touristique. Notre enquête, qui porte sur les perceptions des habitants actuels de l’île, a mis en lumière les acteurs et leur rôle en fonction de leur temps d’arrivée dans l’île, lui-même lié au basculement d’une conception du tourisme à une autre.The aim of this article, based on a survey of one month on the archipelago of Bocas del Toro in February 2009, is to assess the changes brought by the advent of tourism on Colon’ island for twenty year. The development of the tourism boom in two phases sufficiently differentiated - that of sustainable tourism, says 1990 to 2002, then second phase with a non-tourism control - allowed us to develop a historical analysis of the relationship between populations and tourism. Our investigation, which focuses on the perceptions of the present inhabitants of the island, has highlighted the actors and their role according to their time of arrival on the island; itself linked to the changeover of a concept of tourism another.El objetivo de este artículo, basado en una encuesta de un mes en el archipiélago de Bocas del Toro en febrero de 2009, es evaluar los cambios producidos por la llegada del turismo en la isla de Colon durante veinte año. El desarrollo del auge del turismo en dos fases suficientemente diferenciados - la de un turismo sostenible, dijo desde 1990 hasta 2002, entonces la segunda fase con un turismo no contol - nos ha

  15. Toro

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    Diego Toro

    2010-11-01

    Full Text Available Diseñador Gráfico del SENA. A pesar de haber incursionado con éxito en el campo de las historietas. no ha logrado aún definir su línea. Su humor se conjuga muy bien con sus dibujos. El primero es fácil y elemental y el segundo estereotipado y algo decorativo. Da la impresión que sus trabajos estén dirigidos a un público determinado: el infantil. Ese es su éxito.

  16. Panama: Political and Economic Conditions and U.S. Relations

    Science.gov (United States)

    2012-11-27

    strikes. Two striking workers in the banana sector were killed in clashes with police in Bocas del Toro and hundreds were injured. The strike was...White House, Office of the Press Secretary, “Fact Sheets : U.S.- Panama Trade Promotion Agreement,” April 19, 2011, available at http://www.whitehouse.gov...the-press-office/2011/ 04/19/fact- sheets -us-panama-trade-promotion-agreement. Panama: Political and Economic Conditions and U.S. Relations

  17. The Structural Analysis of Pan`s Labyrinth by Guillermo Del Toro as a Fantastic Film

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    Paramita Ayuningtyas

    2015-07-01

    Full Text Available Using structural approach and Tzvetan Todorovs theory about absolute hesitation, this research discusses how the narrative and cinematographic elements build Pans Labyrinth (2006 as a unique fantastic film. Directed by Guillermo del Toro Pans Labyrinth is a film in Spanish about a little girl named Ofelia who has to live in a house in the middle of the forest and experiences many bizarre incidents, including meeting the Faun. The narrative elements discussed in this paper are motives and themes, while the cinematographic elements are settings, lighting and colours. To analyze the data, this research uses a qualitative method that lies on library research. The result of the discussion shows how the intrinsic elements successfully built absolute hesitation in Pans Labyrinth. Thus, Pans Labyrinth can be categorized as a fantastic film with a dark twist that is Del Toros irreplaceable characteristic in directing films.

  18. El diablo dijo… “¡acción!”: Hellboy en el laberinto Del Toro

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    Rafael Bonilla Cerezo

    2014-11-01

    Full Text Available Directed by Guillermo del Toro from the comic-book created by Mike Mignola, Hellboy (2004 is the most cherished film by the author of Pan’s Labyrinth (2006. This paper analyses the film’s literary debts –gothic narrative, Lovecraft, Machen, american pulp serials– as well as filmic homages and borrows –Spielberg, Lucas, 50’s science fiction, B movies, cartoons, manga, etc.– that enriches the deltorian imaginery.

  19. Comportamiento del alcoholismo en la mujer de la Policlínica Pedro del Toro Saad

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    Adisnubia Boue-Ávila

    2012-01-01

    Full Text Available Se realizó un estudio descriptivo de las pacientes alcohólicas dispensarizadas y con seguimiento en la Policlínica Pedro del Toro Saad, con el objetivo de abordar la caracterización del Alcoholismo en la mujer. La información fue recogida de la historia clínica individual, se empleó la encuesta y la entrevista individual. Para la investigación se utilizó un universo total de 32 pacientes lo que coincide con la muestra. Los métodos empleados fueron el histórico lógico, análisis y síntesis e induccióndeducción. Predominó el grupo étareo de 35-44 años, según la ocupación, las que mayormente ingieren bebidas alcohólicas son las amas de casa y las desempleadas, el síntoma que más incidió fue la depresión y trastornos del sueño, según las consecuencias del alcohol son las riñas son las más frecuentes. Recomendamos desarrollar acciones de promoción en la población con el fin de fomentar actitudes y estilos de vida favorables a la Salud.

  20. Panama.

    Science.gov (United States)

    1985-05-01

    Panama's population characteristics, geographical features, communication system, history, government, economy, current political situation, and foreign relations are briefly described. Ethnically, Panama's population of 2,001,000 (1984) is 70% mestizo, 14% West Indian, 10% white, and 6% Indian. 93% of the population is Roman Catholic, and the official language is Spanish. The school enrollment rate is close to 100% at the primary level and 65% at the secondary level. The literacy rate is 93.7% for urban residents and 61.8% for rural residents. The infant mortality rate is 20.1, and life expectancy is 71 years. Panama is a hilly and mountainous country, and the eastern region is covered by tropical forests. In 1519, the Spanish established the old city of Panama near the isthmus, i.e., the narrowest section (52 miles) of the country separating the Pacific Ocean and the Caribbean Sea, and between then and 1670s, the isthmus played a vital role in the movement of gold and silver from the New World to Spain. Ships from the western side of South American sailed to the western side of the isthmus. Their contents were unloaded, hauled across the isthmus, and reloaded on ships bound for Spain. In 1982 Panama won its independence from Spain and the following year voluntarily became a part of the Republic of Greater Colombia. Since the early 1860s, the idea of building a canal through the isthmus was entertained by various groups, and in the late 1800s a Frenchman unsuccessfully attempted the task. In 1903 Panama declared its independence from Colombia after Colombia refused to sign a treaty to allow the US to construct a canal. Panama, as an independent nation, then signed the Hay/Bunau-Varilla Treaty with the US. The treaty gave the US the right to build a canal. Panama retained sovereignty over the canal zone, i.e., a 5 mile area on each side of the canal, but the US was given all the rights in the area normally exercised by a sovereign power. The treaty was resented by

  1. Panama.

    Science.gov (United States)

    1992-03-01

    Panama's territory is 77,381 square km or 29,762 square miles with a population of 2.4 million of whom 70% are mestizos or mixed Spanish and Indian. Literacy is 87%, infant mortality is 22/1000, and life expectancy is 72 years. Panama was part of the Spanish empire from 1538 to 1821. In 1903 Panama declared its independence from Colombia, and afterwards signed a treaty with the US to build a canal 10 miles wide. The existing 52-mile lock canal was completed in 1914. From the 1960s pressure mounted to renegotiate the treaty that was eventually accomplished in 1977. In 1989 the Noriega regime called elections and lost, but it did not accept the results, and continued repression until it was ousted by a 1989 US military action. Noriega surrendered and was indicted for drug trafficking. The economy was in disrepair after mismanagement and US sanctions. During 1990-91 the economy started to recover with the return of capital to banks, increase of exports and construction, and the decrease of government deficit and unemployment. The gross domestic product grew 3.45 in 1990 and 9.3% in 1991 with a low level of inflation. Government policies were proposed to stimulate foreign private investment, improve market conditions, and reduce tariffs and price controls. In 1992 the Endara government signed agreements with international financial institutions on credit that entailed tax, social security, and public investment reforms. The unemployment rate decreased from 35% in 1989 to 16% by 1992. The revenues from the canal have to be sustained, therefore the Panama Canal Commission approved a $200-million project to widen it over the next 20 years.

  2. Consultoría para la Elaboración del Plan de Manejo Marino Costero Integrado de Bocas del Toro, en el Marco del Programa Multifases de Desarrollo Sostenible de Bocas del Toro. Informe de Avances N°2. Recursos Marino-Costeros de Bocas del Toro

    OpenAIRE

    2008-01-01

    Entre los ambientes costeros que resaltan en la Provincia de Bocas del Toro y la vecina Comarca Ngöbe-Buglé se encuentran los manglares, pastos marinos y arrecifes de coral que forman un mosaico interactivo entre ellos. Los componentes de estos ecosistemas praderas marinas (pastos, corales, mangles, macroalgas, organismos epífitos, invertebrados, peces, tortugas marinas, mamíferos marinos), conforman un hábitat esencial que contribuye significativamente a la estructura y produc...

  3. Badua, diosa o dios, y los ritos del toro de San Marcos

    Directory of Open Access Journals (Sweden)

    Francisco Javier Burgaleta Mezo

    2007-01-01

    Full Text Available En este artículo discutimos, en primer lugar, el carácter atribuido a Bandua como divinidad masculina, asimilable tanto a Marte indígena como al Genio, en base a una pátera de la colección Calzadilla de Badajoz y procedencia incierta (quizás S. Cosmado, en Mangualde, Portugal, en la que aparece una representación que entendemos es de esa divinidad, como una posible Tutela claramente femenina con cornucopia y otros detalles. En segundo lugar, analizamos la cuestión de los orígenes del rito del toro de San Marcos, en una fiesta cuyo origen Olivares Pedreño (1997 remonta a épocas primitivas, hasta establecer un vínculo con Bandua, asimilado a Marte indígena y al toro. Una posición seguidora en parte de Caro Baroja. Nosotros, sin embargo, la contrastamos con las problemáticas generales de la fiesta del toro en época moderna, subrayando su relación con determinadas cuestiones estructurales.In this article we discuss, in the first place, the character attributed to Bandua like masculine divinity, assimilable as much to indigenous Mars as to the Genius, based on a patera of the collection Calzadilla of Badajoz and uncertain origin (maybe S. Cosmado, in Mangualde, Portugal, in which a representation appears that we understand it is of that divinity, like a possible one clearly feminine Tutela with cornucopia and other details. In second place, we analyze the question of the origins of the rite of San Marcos’ bull, in a ritual whose origin Olivares Pedreño (1997 goes back to primitive times, until establishing a bond with Bandua, assimilated to Indigenous Mars and to the bull. A position that is follower partly of Caro Baroja. For us, however, contrast with the general problems of the ritual of the bull in modern time, underlining their relationship with certain structural questions.

  4. EFECTO DEL INVIERNO Y VERANO SOBRE EL COMPORTAMIENTO REPRODUCTIVO DE TOROS CRUZADOS

    Directory of Open Access Journals (Sweden)

    Esperanza Prieto M

    2007-08-01

    Full Text Available Objetivo. Evaluar el efecto del verano e invierno sobre la calidad seminal de toroscruzados en el Valle del Sinú. Materiales y métodos. Se utilizaron 8 toros 75% Bosindicus x 25% Bos taurus, 4 con edades entre 20.5 - 27 meses (menores de 30meses, con edades entre 32 - 37.5 meses (mayores de 30 meses, mantenidos bajopastoreo. Cada 28 días se evaluó ganancia de peso, condición corporal, circunferenciaescrotal (CE y viabilidad espermática (MPIR, MPIL, A. Resultados. Las variablesclimáticas en invierno y verano fueron temperatura máxima 33.2 Vs, 35.1°C,temperatura mínima 24.1 Vs, 23.9°C, humedad relativa 81.8 Vs, 75.4%, precipitación516.4 Vs, 24.1 mm y brillo solar 6.3 Vs, 5.6. Hubo diferencias significativas porépoca para la ganancia de peso (p0.05, en los grupos estudiados. Las correlaciones entre variablesclimáticas con variables espermáticas en los dos grupos de edades en estudio fueronbajas (r<0.2. Conclusiones. La época afecta la morfología espermática (MPIR,MPIL y AS, especialmente en toros jóvenes. No obstante, el efecto principal estáconfundido entre el verano y el régimen alimenticio deficiente.

  5. Fiestas de toros en el Valladolid del XVII. Un teatro del honor para las élites del poder urbanas

    Directory of Open Access Journals (Sweden)

    Lourdes AMIGO VÁZQUEZ

    2009-12-01

    Full Text Available RESUMEN: Los regocijos taurinos constituían la diversión por excelencia en la España moderna. En este estudio sobre los toros en el Valladolid barroco me he detenido en uno de sus aspectos: el de servir como escenario para la representación del poder, ya que las virtudes emocionales de la fiesta la convertían en un valioso instrumento de dominación persuasiva. Más allá del trono y el altar, eran las élites urbanas, todas presentes en las funciones de la Plaza Mayor, las auténticas beneficiarías de tales espectáculos en una ciudad con demasiadas instituciones ilustres. Principalmente he analizado la alteración festiva que provoca la presencia de una institución tan poderosa como la Chancillería. Este Tribunal se convierte en el actor principal de las funciones de toros, imponiéndose a la autoridad civil, la Ciudad, en su organización y desarrollo. Diversión y poder mostraban una vez más su simbiosis en la sociedad festiva y jerárquica del Antiguo Régimen.ABSTRACT: Bullfighting festivals were the main source of entertainment during the period of early modern history in Spain. In this analysis of bulfights in Baroque Valladolid I have focused on one particular aspect, namely how they served as an arena for the representation of power, since the emotional virtues of the festival became a valuable instrument it for the persuasive domination. More than the trone and the altar they were the urban elites, all of whom were represented in the bullfights of the main square, who were the true beneficiaries of these spectacles in a city with too many illustrious institutions. I have mainly focused on the change brought about in the spectacle by the presence of such a powerful institution as the Chancellery. This High Court of Justice was to become the focus of these bullfighting spectacles, exercising its superiority over civil authority, the City Hall, in the organisation and development of the event. Thus, leisure and power combined

  6. Caracterización biológica de una muestra esqueletal proveniente de la Quebrada del Toro (Salta, Argentina)

    OpenAIRE

    Plischuk, Marcos; Desántolo, Bárbara; García Mancuso, Rocío

    2009-01-01

    El propósito de este trabajo es realizar una caracterización biológica de una muestra esqueletal proveniente del área de la Quebrada del Toro (Dto. Rosario de Lerma, Salta, Argentina). La misma fue obtenida a partir de la excavación de un conjunto de entierros situados en la Estructura 3 del sitio arqueológico Tres Cruces I, datado en el período Formativo Superior (680-890 calibrado 1 sigma). Se evaluó la preservación del material, se determinó el número mínimo de individuos presentes (NMI), ...

  7. La Bella y la Bestia en el viaje laberíntico de Guillermo del Toro: El espinazo del diablo (2001 y El Laberinto del Fauno (2006

    Directory of Open Access Journals (Sweden)

    Pastor, Brígida M.

    2011-04-01

    Full Text Available The films The Devil’s Backbone (2001 and Pan’s Labyrinth (2006 are both directed by Mexican Guillermo del Toro, and they are considered his Spanish films. Both films are set during the Spanish Civil War, but none of them explicitly deals with this tragic historical episode. However, this tense and oppressive context enables Del Toro to explore a theme of a greater complexity: Monstrosity and its relationship to the cultural notion of gender. Monsters are traditionally the epitome of fear and the protagonists of fantasy genres. This study attempts to demonstrate, within the framework of psychoanalysis, that the Mexican filmmaker resorts to the juxtaposition of real and fantasy worlds in order to establish an eloquent parallelism between the representation of monstrosity and gender. Ultimately, Del Toro’s objective is to question and re-evaluate the symbolic and dominant patriarchal structures and its perverse consequences over the individual.El espinazo del diablo (2001 y El laberinto del fauno (2006 son dos películas dirigidas por el mexicano Guillermo del Toro, y pueden considerarse sus dos obras de esencia española. Ambas tienen como telón de fondo la Guerra Civil Española, pero ninguna llega a constituir un relato sobre el luctuoso episodio histórico. Este tenso y opresor contexto ofrece a Del Toro la oportunidad de explorar un tema de mayor complejidad: La “monstruosidad” y su relación con la noción cultural de género. Aunque los monstruos son habitualmente el epítome del miedo y los protagonistas de los géneros fantásticos, este estudio demostrará, desde el marco teórico del psicoanálisis, que el cineasta mexicano recurre a la yuxtaposición del mundo real y fantástico para construir un elocuente paralelismo entre la representación de la monstruosidad y el género. El objetivo principal de Guillermo del Toro es cuestionar y reevaluar la establecida y respetada hegemonía patriarcal y sus consecuencias perversas

  8. La tierra del toro. Ensayo de identificación de ciudades vasconas

    Directory of Open Access Journals (Sweden)

    Canto, Alicia M.ª

    1997-12-01

    Full Text Available This paper is divided into two parts. The first one deals with the evidences of the worship to the bull and the moon, especially the most characteristic «aras taurobólicas» (Navarra and W. of Saragossa, as defining elements of the ager Vasconum original territory. In the second part a new method of analysis, sectoral, is proposed on order to try and make use of some of geographer Ptolomey's (II, 6, 66 up to now unusable facts concerning the Vasconic towns. Various ancient and medieval archaelogical and literary sources will suggest new locations for eighteen such towns, notably for the huge territory known as «Bárdenas Reales» (presently uninhabited, perhaps an ager Caesarianus adsignatus. The final map (fig. 13 seems to match fairly well the experimental one (fig. 9 based on Ptolemy, hinting thus at the soundness of the method employed.Este trabajo está dividido en dos partes. En la primera se estudian los testimonios de culto al toro y a la luna como definidores del territorio primitivo del ager Vasconum, en especial las muy características «aras taurobólicas» de Navarra y el Oeste de Zaragoza. En la segunda se propone un nuevo método de análisis, por conjuntos, para intentar aprovechar datos, hoy inutilizables, del geógrafo Ptolomeo (II, 6, 66, acerca de las ciudades vasconas. Con diversos materiales arqueológicos y fuentes literarias, antiguas y medievales, se llega a proponer nueva ubicación para dieciocho de ellas y, en especial, para el enorme territorio público conocido como «Las Bárdenas Reales», un posible ager Caesarianus adsignatus. La propuesta final de localizaciones (fig. 13 coincide bastante bien con la experimental a partir de Ptolomeo (fig. 9, lo que puede indicar la validez del método empleado.

  9. DIAGNÓSTICO DE LA CAPACIDAD REPRODUCTIVA DE TOROS EN GANADERÍAS DE TRES MUNICIPIOS DEL ALTO MAGDALENA

    Directory of Open Access Journals (Sweden)

    Vejarano OA

    2005-12-01

    Full Text Available El objetivo del estudio fue evaluar la funcionalidad reproductiva de toros del alto magdalena analizandoel efecto de la edad y la raza sobre la calidad del semen y otras características reproductivas. La investigaciónse realizó en los municipios de Paicol, La Plata y Nátaga (Huila - Colombia, cubriendo zonas de bosqueseco tropical (bs-T y bosque húmedo premontano (bh-PM. 60 toros de diferentes razas y edades fueronevaluados bajo condiciones de monta natural y sin reposo sexual previo al examen, usando la metodologíarecomendada por la American Society of Therigenology (AST. Para evaluar el efecto del tipo racial sobrealgunas características reproductivas se utilizó un diseño completamente al azar con tres tratamientos ydiferentes número de repeticiones por tratamiento: T1: Bos indicus , T2: Bos indicus x Bos taurus y T3: Bostaurus . El efecto de la edad fue determinado estableciendo un diseño con siete tratamientos y diferentenúmero de repeticiones por tratamientoí: T1: 54 meses de edad. Se aplicó la prueba Diferencia Mínima Significativa para determinarlas diferencias estadísticas y se estableció un modelo de predicción para movilidad masal. Elcomportamiento reproductivo expresado en calidad del material seminal, libido y demás característicasreproductivas en los toros del alto magdalena, estuvo dentro de los valores normales. El tipo racial notuvo un efecto significativo sobre las características reproductivas. Con excepción de la circunferenciaescrotal y el volumen del eyaculado, la edad tampoco ejerció un efecto sobre las variables analizadas. Elmodelo de predicción para la movilidad masal (Y, a partir de un valor dado de circunferencia escrotal (Xes: Y = (1.90275 (X.

  10. Arrecifes coralinos de Bocas del Toro, Panamá: II. Distribución, estructura y estado de conservación de los arrecifes de las Islas Bastimentos, Solarte, Carenero y Colón

    Directory of Open Access Journals (Sweden)

    Héctor M. Guzmán

    1998-12-01

    Full Text Available Se presenta la distribución de arrecifes coralinos a lo largo de la costa de las islas de Bastimentos, Solarte, Carenero y Colón (ca. 120 km, Provincia de Bocas del Toro, Panamá. Se describe la estructura de 18 arrecifes coralinos, los cuales representan la diversidad de hábitats y condiciones hidrológicas y orográficas de la zona costera del archipiélago. Los arrecifes encontrados en hábitats a barlovento de las islas (expuestos, son menos diversos en corales y presentan una cobertura de coral vivo baja (8%, mientras que los arrecifes de hábitats protegidos (sotavento, son los de mayor diversidad y cobertura de corales (32%. Las macroalgas presentaron un patrón similar de cobertura con promedio de 50%, alta si se le compara con arrecifes descritos para la Ensenada Grande de Almirante (4%, al sur del archipiélago. Se registra un aumento del 35% en el número de especies de corales para Bocas del Toro; el total de especies conocidas para la región es de 54, lo cual representa el 88% del total de la diversidad para Panamá. Se encontró que los arrecifes del Parque Nacional Marino Isla Bastimentos no representan la variedad de hábitats, diversidad de especies y abundancia que están presentes en otras localidades fuera de los límites del área protegida. Se señalan recomendaciones para el manejo integral de los recursos naturales marinos y terrestres del archipiélago de Bocas del Toro, donde se proponen variantes a los límites existentes del área protegida y la creación de nuevas categorías de protección (reservas biológicas, entre otros.The distribution and conservation status of coral reefs along the northern section of the archipelago of Bocas del Toro are evaluated (ca. 120 km, and the structure of 18 reefs around the islands of Bastimentos, Solarte, Carenero and Colón is described. Reef habitats located on the seaward side (exposed of the islands exhibited the lowest coral cover (8% and coral diversity, while leeward

  11. Caracterización de la grasa intramuscular del toro de lidia sacrificado en primavera

    OpenAIRE

    Horcada Ibáñez, Alberto Luis (Coordinador); Criado, M; Polvillo Polo, Oliva; Juárez Dávila, Manuel María; Alcalde Aldea, María Jesús

    2007-01-01

    En este trabajo se han estudiado las características de la grasa intramuscular de 32 toros de Lidia sacrificados en los festejos taurinos de la Feria de Abril de Sevilla de 2006. Los animales fueron criados de acuerdo al sistema tradicional en la dehesa andaluza donde dispusieron de hierba fresca de primavera y de alimento concentrado en los meses previos a su suerte. El perfil lipídico de este depósito graso se corresponde con el de los bovinos adultos, caracterizado por su elevado conte...

  12. La maldad genera cuentos de hadas: Análisis de la película de Guillermo del Toro El Laberinto del Fauno

    Directory of Open Access Journals (Sweden)

    Labrador Ben, Julia María

    2011-04-01

    Full Text Available The Labyrinth Of The Faun (2006 by Guillermo del Toro is a film built on two planes that intertwine constantly: the real plane that matches with the 1944 Spanish post-war when a group of military men commanded by Vidal merciless chase the maquis in the area, and the imaginary plane, thought by Ofelia in parallel, as a sort of escape in front of the negative events she is enduring or that surround her life. When the surrounding evilness is extreme, to escape to a world of fantasy becomes a way out in order to survive; anyway it is only a partial solution as the negative reality will burst to a large or lesser extent into this imaginary world and, unfortunately, this will not be avoided. Guillermo del Toro creates a fiction that, even if originated by evilness, adopts a shape closer to the goodness: a fairy tale. Nevertheless, not everything is goodness in this a priori idyllic world.El laberinto del fauno (2006 de Guillermo del Toro es una película con dos planos que se entrecruzan constantemente: el real, que se corresponde con la España de posguerra de 1944, en el que unos militares capitaneados por Vidal persiguen sin piedad a los maquis de la zona, y el imaginario, ideado por Ofelia en paralelo como evasión ante los acontecimientos negativos que vive o que la rodean. Cuando la maldad circundante es extrema, huir a un mundo de fantasía se convierte en una salida para sobrevivir, pero sólo es una solución parcial, porque la realidad negativa irrumpirá con mayor o menor medida en ese mundo imaginario y no siempre se podrá evitar. Guillermo del Toro plantea una ficción que tiene su origen en la maldad, pero adquiere una forma mucho más cercana a lo contrario, un cuento de hadas, sin embargo, no todo va a ser bondad en ese mundo inicialmente idílico.

  13. Organización de corridas de toros en la Nueva España del siglo XVIII y primeros años del XIX

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    Flores Hernández, Benjamín

    2004-12-01

    Full Text Available The article studies the bullfights organization in New Spain during the XVIIIth Century, when bullfight had changed to the infantry bullfight. Then, generally, there were two weeks seasons, with four days of bullfight each week, in the morning and in the afternoon. Authorities auctioned the ring, and they organized everything. The collected money was used to pay some public works. During whole century, there were still bullfights to celebrate royal occasions, like coronations, royal marriages and royal births. Some times, there were bullfights in theatres, cockrings and slaughterhouses.

    Se estudia cómo se organizaron las corridas de toros en Nueva España durante el siglo XVIII y los primeros años del XIX, después de que quedó establecido en el virreinato, al igual que en la Península Ibérica, el moderno toreo a pie. Se constata que la forma fundamental de la fiesta brava fue la de temporadas de una o dos semanas de duración, con cuatro días de corrida en cada una, a mañana y tarde. Las autoridades remataban la administración de la plaza, poniendo todo a punto para obtener el mayor éxito. Con los beneficios económicos se costeaban obras públicas, y finalmente los toros llegaron a ser ramo de Real Hacienda. Por lo demás, durante todo ese tiempo siguieron dándose festejos taurinos con motivo de fiestas reales: coronaciones, bodas y nacimientos reales y recibimiento de virreyes, así como en algunas celebraciones de tipo religioso. También hubo lidias informales en rastros, palenques y teatros.

  14. Espiritualidad e inquisición en Asturias en el siglo XVIII: El proceso del Obispo José Fernández de Toro

    OpenAIRE

    Tuñón Escalada, Juan José

    2014-01-01

    La investigación realizada profundiza en el estudio de la diócesis de Oviedo en el primer tercio del siglo XVIII, un periodo escasamente abordado por la historiografía. Analiza el complejo y controvertido episcopado ovetense de José Fernández de Toro, tardío pero significativo exponente de la difusión alcanzada en España por Miguel de Molinos y su Guía Espiritual. Estudia minuciosamente y saca a la luz el singular, y prácticamente inédito, proceso inquisitorial seguido contra el obispo oveten...

  15. Flora bacteriana del semen de toro antes y después de la congelación (Bacterial flora of bull semen before and after freezing process

    Directory of Open Access Journals (Sweden)

    Enrique A. Silveira Prado

    2005-10-01

    Full Text Available Se investigó por bacteriología general el semen fresco y después de la congelación de 50 toros de inseminación artificial y se efectuó el conteo total de unidades formadoras de colonias (UFC. A l5 de los toros se les realizó el examen bacteriológico de sus lavados prepuciales. En todas las muestras de semen fresco se obtuvo crecimiento bacteriano y los gérmenes más frecuentemente aislados fueron: Escherichia coli (50,0%, Staphylococcus aureus (36,0% y Staphylococcus coagulasa negativa (28,0%. En el semen congelado solamente se obtuvo crecimiento en el 20,0%. El 74,0% del semen fresco alcanzó conteos  1 x 104 UFC/mL antes de ser procesado; después de la congelación el 80,0% fue estéril. En el total de lavados prepuciales se obtuvo crecimiento y se detectó en mayor proporción el Staphylococcus coagulasa negativa (60,0%, microorganismo también aislado en el semen fresco de estos toros. Se concluyó que la adición de antibióticos al menstruo y posterior congelación en pastillas, disminuye notablemente la carga microbiana presente en el semen. It was investigated through general bacteriology both fresh semen and after the freezing process, carried out in 50 bulls of artificial insemination, total counting of colony forming units (CFU was made. A bacteriological analysis of the prepucial washing was made on 15 of these bulls. In all samples of fresh semen there was bacterial growing. The most frequently germs were: Escherichia coli (50,0%, Staphylococcus aureus (36,0% and coagulase negative Staphylococcus (28,0%. In samples of frozen semen growth was only obtained in the 20,0%. The 74,0% of samples of fresh semen reached counts  1 x 104 CFU/mL before being processed; after freezing 80,0% of the samples were sterile. In all prepucial washings it was obtained growth and mostly detected coagulase negative Staphylococcus (60.0%, was also isolated in the fresh semen of these bulls. We concluded that the addition of antibiotics to

  16. Comportamiento Clínico Epidemiológico de las Enfermedades Cerebro Vascular de la Policlínica Pedro del Toro Saad 2006 - 2007

    Directory of Open Access Journals (Sweden)

    Adisnubia Boue Ávila

    2010-01-01

    Full Text Available Se realizó una investigación descriptiva en la Policlínica Pedro del Toro Saad de la ciudad de Holguín, con el objetivo de abordar el comportamiento clínico epidemiológico, de las Enfermedades Cerebro Vascular .Los datos estadísticos se obtuvieron mediante la revisión de las historias clínicas familiares e individuales de los casos, se realizaron encuestas directas a los pacientes, la información se tomó del departamento de estadísticas por la autora. Los métodos empleados fueron el histórico lógico, análisis y síntesis e inducción - deducción. Observamos que hubo un incremento con la edad, predominando el sexo masculino una alta incidencia de la Hipertensión Arterial como factores de riesgo, existe un predominio de ocurrencia en el horario de la mañana, los trastornos del lenguaje y la pérdida de la fuerza muscular fueron los principales síntomas encontrados. Recomendamos realizar grupos multidisciplinarios de salud, para la rehabilitación adecuada de los pacientes con Enfermedades Cerebro-Vascular.

  17. Soil thermal conductivity, organic matter, activity and microbial biomass in crops systems of passion fruit in Toro, Valle del Cauca, Colombia Conductividad térmica del suelo, materia orgánica, actividad y biomasa microbianas en sistemas de cultivo de maracuyá en Toro, Valle del Cauca

    Directory of Open Access Journals (Sweden)

    Pérez Jesús

    2007-03-01

    Full Text Available The study evaluated the relationship among soil thermal conductivity (λ organic matter, activity and microbial biomass. In three systems of passion fruit crop (ecological, transitional and conventional in the municipality of Toro, Valle del Cauca, Colombia. In samples taken at random in two depths (0-15 and 15-30 cm, biological properties microbial activity (C-CO2; microbial biomass (microbial C - fumigation, extraction - and physical and chemical properties (organic matter, pH, humidity, texture, apparent density, porosity (traditional methods and thermal conductivity of the soil (electrothermal method were measured. The results were analyzed program SAS through models of lineal regression, LSD and Duncan. There were highly significant differences in organic matter, activity and microbial biomass and thermal conductivity of the soil at both depths.The most notorious among ecological and conventional crops. High correlations of direct proportionality were calculated among thermal conductivity of the soil (λ and soil organic matter, for the three crop systems. The ecological crop increased these properties and activity and microbial biomass. Key words: Passiflora edulis Sims var flavicarpa, crop systems, soil thermal conductivity, organic matter, activity and microbial biomass.El estudio evaluó la relación entre la conductividad térmica del suelo (λ, la materia orgánica, la actividad y la biomasa microbianas. En tres sistemas de cultivo de maracuyá (agroecológico, transición y convencional en el municipio de Toro (Valle del Cauca, en nueve puntos por manejo se tomaron muestras al azar a dos profundidades (0-15 y 15-30 cm y se midieron propiedades biológicas: (actividad microbiana (C-CO2; biomasa microbiana (C microbiano –fumigación, extracción– y propiedades físicas y químicas (materia orgánica, pH, humedad, textura, densidad aparente, porosidad (métodos tradicionales y conductividad térmica del suelo (m

  18. Parámetros protéicos del plasma seminal y su relación con la calidad del semen en toros de la raza nelore (bos taurus indicus

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    Ana Sánchez

    2006-10-01

    Full Text Available El propósito de este estudio fue investigar la presenciae incidencia de bandas proteicas específicas delplasma seminal en toros Nelore, completa y parcialmente aptos para la actividad reproductiva. Se utilizaron 68 ejemplares; 20 de variedad Padrón y 48 Mochos, con edad media de 4 años. En el perímetro escrotal (35,05±0,49 cm e 33,30±0,39cm, índice de masa corpórea (302,62±5,87 e 284,19±5,15Kg|m2 hubo diferencia (p<0,05 entre las variedades Padrón y Mocho, respectivamente. Con respecto al peso corpóreo (627,70±11,37 e 611,58±8,66Kg; la altura (1,44±0,01e 1,47±0,01m; el volumen del eyaculado (5,82±0,48 e 5,17±0,29 mL, la motilidad espermática progresiva (73,50±2,81% e75,62±0,97%, el vigor espermático (4,30±0,19 e4,27±0,11 y motilidad en masa (4,27±0,11 e3,33±0,23 no se presentó diferencia (p>0,05. En morfología espermática, tampoco hubo desigualdad entre las variedades Padrón y Mocho, respectivamente con 5,06 ± 8,20% e 5,32 ± 6,40% de defectos mayores; 9,91±6,74% e 8,36±6,06% para los defectos menores; e 14,76±13,20% e 13,82±12,61% para los defectos totales. La electroforesis del plasma seminal reveló bandas proteicas con pesos entre 5 a 105 KDa. En el 100% de toros aptos para la reproducción, la proteína con pesos de 13 Kda estuvo presente. De la misma forma ocurrió con las bandas de 20 KDa. El resto de las bandas proteicas mostraron presencia con diferentes porcentajes de incidencia en toros aptos o parcialmente aptos para la actividad reproductiva. Las dos variedades estudiadas hicieron evidente la adaptación reproductiva eficaz en condiciones de clima semejantes.

  19. Flora bacteriana del semen de toro antes y después de la congelación (Bacterial flora of bull semen before and after freezing process)

    OpenAIRE

    Silveira Prado, Enrique A; Roberto Machado Pérez

    2005-01-01

    Se investigó por bacteriología general el semen fresco y después de la congelación de 50 toros de inseminación artificial y se efectuó el conteo total de unidades formadoras de colonias (UFC). A l5 de los toros se les realizó el examen bacteriológico de sus lavados prepuciales. En todas las muestras de semen fresco se obtuvo crecimiento bacteriano y los gérmenes más frecuentemente aislados fueron: Escherichia coli (50,0%), Staphylococcus aureus (36,0%) y Staphylococcus coagulasa negativa (28,...

  20. Osteocondrosis y su relación en la "caída" del toro de lidia

    OpenAIRE

    Dávila Montero, Urso Martín

    2013-01-01

    Osteocondrosis (OC) es un trastorno del crecimiento en el cartílago de humanos y en los animales domésticos. En los animales, la enfermedad se ha descrito en cerdos, perros, caballos, bovinos de raza Brahaman, gatos y ratas. Es considerada como la causa más importante de debilidad en los miembros posteriores de los cerdos y causa frecuente de cojeras en caballos y perros. Parece evidente que la heredabilidad es el factor más importante en su etiología. Los trastornos hemo...

  1. Conflictividad social en torno a la formación del matrimonio (Zamora y Toro en el siglo XVI

    Directory of Open Access Journals (Sweden)

    Francisco Javier LORENZO PINAR

    2009-12-01

    Full Text Available Las palabras de Antonio Guevara sintetizan las condiciones bajo las cuales debería realizarse el enlace matrimonial: paridad en el status social y libertad a la hora de la elección de cónyuge en el seno de una misma categoría socioeconómica. El quebrantamiento de ambas cualidades constituiría el móvil de varios de los litigios dictaminados ante los tribunales eclesiásticos. Pero la formación del matrimonio encontró también otras dificultades de índole moral o burocrática al margen de la oposición paterna que requirieron la intervención de la Iglesia.

  2. Panama Viejo: una experiencia exitosa de gestion patrimonial

    National Research Council Canada - National Science Library

    Guillermo Martin, Juan; de Arango, Julieta

    2013-01-01

    Desde finales de 1995 comienza la gestion del Conjunto Historico Monumental de Panama Viejo por parte del Patronato Panama Viejo, una institucion mixta, sin fines de lucro, cuyos objetivos principales...

  3. Mitigación y Biorremediación de Suelos Contaminados por el Derrame de Combustible Diésel 2 en la Quebrada del Toro, Camaná, 2009

    OpenAIRE

    Rodríguez Bazan, José Miguel; Universidad Alas Peruanas

    2009-01-01

    El derrame de combustible es considerado uno de los accidentes ambientales más difíciles de mitigar o remediar. Asimismo, estos tipos de derrames se están volviendo más frecuentes debido a diversos factores, entre los cuales se halla el mal estado de las vías de circulación.En el mes de mayo de 2009, un vehículo cisterna que transportaba 9000 galones de diesel (D2), que transitaba por la Quebrada del Toro, rumbo a la provincia de Camaná, se despistó y colisionó con el cerro en la parte izquie...

  4. Biodiversity of Asterina species on Neotropical host plants: new species and records from Panama.

    Science.gov (United States)

    Hofmann, T A; Piepenbring, M

    2011-01-01

    Two new species of the genus Asterina are described from living leaves collected in provinces Chiriquí and Bocas del Toro in western Panama. Asterina alloplecti on Alloplectus ichtyoderma (Gesneriaceae) differs from other Asterina on Gesneriaceae by its stalked appressoria and host relationship. Asterina compsoneurae on Compsoneura sprucei (Myristicaceae) can be distinguished from other members of Asterina on Myristicaceae by its larger ascomata, larger, prominently spinose ascospores and host relationship. New records for Panama are Asterina corallopoda from a new host plant species (Solanum trizygum, Solanaceae), A. diplopoda, A. ekmanii from a new host plant species (Gonzalagunia rudis, Rubiaceae), A. siphocampyli from a new host plant genus and species (Burmeistera vulgaris, Campanulaceae) and A. styracina from a new host-plant species (Styrax argenteus, Styracaceae). This study increases the number of species of Asterina known for Panama from 12 to 19 and the number of Asterinaceae from 14 to 21. Asterina corallopoda, A. diplopoda, A. ekmanii, A. siphocampyli and A. styracina are illustrated for the first time. A phylogeny inferred from the analysis of LSU rDNA sequences of species of Asterina is presented. The diversity and host-plant patterns of known Neotropical species of Asterina are discussed.

  5. Anthropogenic mortality on coral reefs in Caribbean Panama predates coral disease and bleaching.

    Science.gov (United States)

    Cramer, Katie L; Jackson, Jeremy B C; Angioletti, Christopher V; Leonard-Pingel, Jill; Guilderson, Thomas P

    2012-06-01

    Caribbean reef corals have declined precipitously since the 1980s due to regional episodes of bleaching, disease and algal overgrowth, but the extent of earlier degradation due to localised historical disturbances such as land clearing and overfishing remains unresolved. We analysed coral and molluscan fossil assemblages from reefs near Bocas del Toro, Panama to construct a timeline of ecological change from the 19th century-present. We report large changes before 1960 in coastal lagoons coincident with extensive deforestation, and after 1960 on offshore reefs. Striking changes include the demise of previously dominant staghorn coral Acropora cervicornis and oyster Dendrostrea frons that lives attached to gorgonians and staghorn corals. Reductions in bivalve size and simplification of gastropod trophic structure further implicate increasing environmental stress on reefs. Our paleoecological data strongly support the hypothesis, from extensive qualitative data, that Caribbean reef degradation predates coral bleaching and disease outbreaks linked to anthropogenic climate change. © 2012 Blackwell Publishing Ltd/CNRS.

  6. Percepción de la comunidad del archipiélago de Bocas del Toro, Panamá, sobre el impacto de la industria turística

    Directory of Open Access Journals (Sweden)

    Mercedes Camargo Velandia

    2016-12-01

    Full Text Available Desarrollar políticas públicas que impulsen el turismo y respondan al cambio climático exige el análisis de múltiples variables sociales, económicas y ambientales. En el contexto de la gestión de las zonas aisladas físicamente, como los archipiélagos, dicho análisis depende de conocer las características ambientales y las necesidades socioeconómicas de las comunidades locales que permitan reconocer las percepciones de los individuos. Este trabajo se centra en este aspecto social y se interesa en conocer la percepción de la comunidad sobre los impactos socioeconómicos y ambientales que ha experimentado en los últimos años como consecuencia del turismo que se está desarrollando en el archipiélago de Bocas del Toro. En la investigación se realizaron 200 entrevistas durante 2013 en cuatro islas del archipiélago de Bocas que desarrollan actividades turísticas. Los resultados del estudio permiten caracterizar a la comunidad y conocer su percepción teniendo en cuenta que desarrollan actividades estrechamente ligadas al turismo y que este se desarrolla en un escenario altamente desregularizado, donde hay una débil capacidad de control y seguimiento por parte del Estado, lo que ha impulsado un proceso desordenado de construcción y ocupación del territorio. Se concluye que la percepción de la comunidad local se encuentra dividida marginalmente a favor del desarrollo de la industria turística por una mayor conciencia de los costos y beneficios que el turismo ha traído. Sin embargo, las voces de euforia inicial con la venta de casas y terrenos a extranjeros realizada en los años noventa han cedido espacio a una visión más crítica y más social. Los aspectos más positivos del desarrollo de la industria del turismo en este lugar son su aporte en el dinamismo de la economía local –en comparación con la situación de 1983– y la mejora en la infraestructura, que han resultado atractivos para que personas de otros lugares

  7. Panama Papers

    DEFF Research Database (Denmark)

    Harrington, Brooke

    2016-01-01

    Mossack Fonseca kept its clients largely on the right side of the law. Indeed, that’s entirely the point. This article for The Atlantic draws on my wealth management research to explain why most of what is revealed in the Panama Papers leak will not result in criminal prosecution for anyone...

  8. Panama Papers

    DEFF Research Database (Denmark)

    Harrington, Brooke

    2016-01-01

    Mossack Fonseca kept its clients largely on the right side of the law. Indeed, that’s entirely the point. This article for The Atlantic draws on my wealth management research to explain why most of what is revealed in the Panama Papers leak will not result in criminal prosecution for anyone...

  9. Panama Papers

    DEFF Research Database (Denmark)

    Harrington, Brooke

    2016-01-01

    Mossack Fonseca kept its clients largely on the right side of the law. Indeed, that’s entirely the point. This article for The Atlantic draws on my wealth management research to explain why most of what is revealed in the Panama Papers leak will not result in criminal prosecution for anyone......, and why government officials face nearly insurmountable obstacles to stopping the kind of financial games in which Mossack Fonseca and its counterparts engage....

  10. Plaza de toros en Toulouse

    Directory of Open Access Journals (Sweden)

    Jean Barets

    2017-06-01

    Full Text Available La plaza de toros de Toulouse ha sido construida en tres meses; tiene una capacidad para 12.500 espectadores; 49,26 m de diámetro interior; 90,05 m de diámetro exterior, y 18,50 m de altura. A excepción de los soportes principales, losas, antepechos nudos, el resto de la estructura se ha prefabricado en taller a pie de obra. En este trabajo se describe la obra, sus características más importantes y los métodos constructivos empleados en su ejecución.

  11. Characterization of the Punta Toro species complex (genus Phlebovirus, family Bunyaviridae)

    Science.gov (United States)

    Wiley, Michael R.; Travassos da Rosa, Amelia P. A.; Guzman, Hilda; Quiroz, Evelia; Savji, Nazir; Carrera, Jean-Paul; Bussetti, Ana Valeria; Ladner, Jason T.; Ian Lipkin, W.; Tesh, Robert B.

    2015-01-01

    Punta Toro virus (PTV), a member of the PTV complex, is a relatively common causative agent of febrile illness in Panama that is often misdiagnosed as ‘dengue’ or ‘influenza’. Currently, only two named members make up this species complex, PTV and Buenaventura virus (BUEV). Genomic and antigenic characterization of 17 members of the PTV complex, nine of which were isolated from human acute febrile illness cases, reveals that this species complex is composed of six distant viruses. We propose to add four additional new viruses, designated Leticia virus, Cocle virus, Campana virus and Capira virus. PMID:25934793

  12. Piscina de Toro: una arquitectura de tapial

    OpenAIRE

    Antelo Tudela, Enrique; Raya de Blas, Antonio

    2011-01-01

    A partir de un material tradicional como el tapial, VIER Arquitectos desarrolló el proyecto y la obra de la piscina municipal de Toro, que ha sido extensament reconocida y premiada como obra singular. Peer Reviewed

  13. BOCASHI: ABONO ORGÁNICO ELABORADO A PARTIR DE RESIDUOS DE LA PRODUCCIÓN DE PLÁTANOS EN BOCAS DEL TORO, PANAMÁ

    Directory of Open Access Journals (Sweden)

    David Ramos Agüero

    2014-01-01

    Full Text Available Los beneficios del uso de enmiendas orgánicas como el Bocashi, son ampliamente conocidos a escala mundial, aunque, la literatura científica poco precisa sobre sus contenidos nutricionales y se hace poca referencia a la carga microbial existente en estos materiales. El presente trabajo consistió en la elaboración del abono y su seguimiento a las propiedades químicas y microbiológicas durante cinco meses posteriores a su preparación. A partir de 21 días y hasta los 150 días de elaborado, se determinaron los contenidos de macronutrientes, micronutrientes, la relación C:N, el contenido de metales pesados, así como las poblaciones de microorganismos presentes; igualmente se midió la temperatura del montículo durante los primeros 21 días. Los contenidos de N, P, K, Ca, Mg, S, MO, C y la relación C:N se mantienen de manera estable durante los cinco meses de duración del trabajo, siendo adecuados los contenidos de nutrientes obtenidos en cada momento de evaluación. Los niveles de metales pesados en el abono es baja según las normas internacionales y la mayor presencia de microorganismos es de bacterias, lo que queda demostrando con la tasa de respiración, la actividad microbiana y con ello la calidad del abono. La producción de Bocashi a partir de residuos locales, constituye una alternativa viable para la conservación del agroecosistema.

  14. Estimativos L^2 para una clase de operadores pseudodiferenciales definidos en el toro

    Directory of Open Access Journals (Sweden)

    Duván Cardona

    2013-12-01

    Full Text Available En este trabajo se establecen estimativos L 2 para operadores pseudodiferenciales definidos en el toro. Los operadores considerados surgen del estudio de operadores entre grupos abelianos localmente compactos. Abstract. In this work we establish L 2 estimates from pseudo-differential operators defined on the torus. Such operators arise from the study of operators on locally compact abelian groups.

  15. Toro ¿una ciudad levítica? Conventos femeninos en Toro durante la Edad Moderna

    OpenAIRE

    Conejo García, Agustín

    2017-01-01

    La ciudad de Toro (Zamora) llegó a contar a mediados del siglo XVII con catorce conventos, siete de religiosas y otros tantos de religiosos. En este trabajo nos proponemos estudiar estas instituciones religiosas, dedicándonos especialmente a los conventos femeninos. Este análisis atenderá a los orígenes de las órdenes religiosas, los fundadores y el proceso de fundación, así como la trayectoria histórica de cada convento. El objetivo final es ver el grado de influencia que el clero regular...

  16. "Venationes" y juegos de toros en la Antigüedad

    Directory of Open Access Journals (Sweden)

    J. M. BLÁZQUEZ

    2009-10-01

    Full Text Available Los juegos romanos en los anfiteatros en los que participaban toros han sido la causa según varios autores antiguos y modernos de las actuales corridas de toros españolas. Así piensan Mariana, Huizinga, Lafaye entre otros varios. En su reciente estudio sobre los "ritos y juegos del toro" A. Alvarez de Miranda echa de menos en los diferentes intentos de conocer el origen de las corridas españolas, la presencia del Arqueólogo y del Historiador de la Historia Antigua; la lectura de las páginas de este apasionante libro nos ha sugerido recoger algunos de los documentos más significativos, ordenados por temas, de escenas de uenatio y de juego de la Antigüedad, en las que participan toros; algunas creemos se encuentran inéditas, con el fin de que las personas que se plantean el origen de las corridas españolas conozcan perfectamente este tipo de juegos. Por otra parte, falta un estudio monográfico de este género. El documento más importante que da una idea exacta del contenido y carácter de una uenatio en los anfiteatros romanos, en la que intervienen toros, es el mosaico del Bajo Imperio, hoy conservado en la Galería Borghese, que decoraba el peristilo excavado en Tenuta di Torre Nuova en el año 1834, formaba parte de un conjunto de cinco piezas, en dos de las cuales el tema de la composición eran los combates de gladiadores, en las tres restantes una uenationes en el anfiteatro.

  17. Transformación y resonancia del cuento de hadas en La vara mágica de Ida Gramcko y El laberinto del fauno de Guillermo del Toro

    Directory of Open Access Journals (Sweden)

    Joussette Rivodó

    2012-10-01

    género discursivo como estéticos de cada obra. La reflexión atiende a lo que en el cuento crece al pasar por lenguajes diferentes al de la narrativa literaria propiamente dicha, y a lo que ese juego de intertextos, acompañado por el testimonio de los autores, nos dice sobre el quehacer del creador.

  18. Genetic composition and connectivity of the Antillean manatee (Trichechus manatus manatus) in Panama

    Science.gov (United States)

    Díaz-Ferguson, Edgardo; Hunter, Margaret; Guzmán, Héctor M.

    2017-01-01

    Genetic diversity and haplotype composition of the West Indian manatee (Trichechus manatus) population from the San San Pond Sak wetland in Bocas del Toro, Panama was studied using a segment of mitochondrial DNA (D’loop). No genetic information has been published to date for Panamanian populations. Due to the secretive behavior and small population size of the species in the area, DNA extraction was conducted from opportunistically collected fecal (N=20), carcass tissue (N=4) and bone (N=4) samples. However, after DNA processing only 10 samples provided good quality DNA for sequencing (3 fecal, 4 tissue and 3 bone samples). We found three haplotypes in total; two of these haplotypes are reported for the first time, J02 (N=3) and J03 (N=4), and one J01 was previously published (N=3). Genetic diversity showed similar values to previous studies conducted in other Caribbean regions with moderate values of nucleotide diversity (π= 0.00152) and haplotipic diversity (Hd= 0.57). Connectivity assessment was based on sequence similarity, genetic distance and genetic differentiation between San San population and other manatee populations previously studied. The J01 haplotype found in the Panamanian population is shared with populations in the Caribbean mainland and the Gulf of Mexico showing a reduced differentiation corroborated with Fst value between HSSPS and this region of 0.0094. In contrast, comparisons between our sequences and populations in the Eastern Caribbean (South American populations) and North Western Caribbean showed fewer similarities (Fst =0.049 and 0.058, respectively). These results corroborate previous phylogeographic patterns already established for manatee populations and situate Panamanian populations into the Belize and Mexico cluster. In addition, these findings will be a baseline for future studies and comparisons with manatees in other areas of Panama and Central America. These results should be considered to inform management decisions

  19. Space partitioning among damselfishes in the Caribbean coast of Panama: the role of habitat preferences

    Directory of Open Access Journals (Sweden)

    Laís de Carvalho Teixeira Chaves

    Full Text Available This study aimed to assess abundance and habitat use by juvenile and adult damselfishes, as much as the benthic cover of different reefs on Isla Colon, Bocas del Toro, Panama. Reefs were selected considering different levels of wave exposure and depths. Damselfish and benthic communities were distinct between reefs. The most abundant species in the sheltered deeper reef was Stegastes planifrons followed by S. leucostictus, and they were also recorded in the sheltered shallower reef. Low densities of S. partitus and S. variabilis were also observed in the sheltered deeper reef, as these species are apparently restricted to higher depths. Additionally, these reefs presented patches with high cover of live and dead massive coral. Shallow depths presented high abundances of S. adustus, indicating a preference of this species for shallow habitats and exhibiting a two-fold increase in abundance at higher wave surge. Also, Microspathodon chrysurus reached higher numbers in shallow depths. Furthermore, the exposed reef presented a high cover (% of algae groups and the fire-coral Millepora alcicornis, acknowledged as a preferred habitat for M. chrysurus and other reef fish. In this study, distinct habitat uses were observed, with patterns regulated by depth and/or wave exposure levels and/or availability of specific benthic cover. For site-attached species as damselfish, habitat specialization, competition and/or non-random recruitment patterns have been found to rule distributional patterns. Similar results for damselfish relative abundances were found compared to studies conducted within Panama and other reefs throughout the Caribbean region over three decades ago, indicating strong habitat affinity for the most abundant species. However, severe reductions of habitat availability following coral mass-mortality events may have disrupted their distributional patterns.

  20. Expresión proteómica del plasma seminal del toro criollo San Martinero y su relación con la fertilidad y desarrollo embrionario in vitro en condiciones del trópico bajo colombiano.

    OpenAIRE

    Barajas Pardo, Diana Patricia

    2013-01-01

    La producción animal en un país tropical como Colombia se ve limitada, entre otras cosas, por factores ambientales adversos, como temperatura, humedad relativa y radiación solar altas a lo largo del año. En los sistemas de producción bovina colombiana existen razas criollas, como la San Martinero, que ha demostrado los mejores índices reproductivos (fertilidad, natalidad, intervalo entre partos, etc.). Para esclarecer el porqué de la mayor fertilidad, la presente investigación se realiza con ...

  1. Molluscan subfossil assemblages reveal the long-term deterioration of coral reef environments in Caribbean Panama.

    Science.gov (United States)

    Cramer, Katie L; Leonard-Pingel, Jill S; Rodríguez, Félix; Jackson, Jeremy B C

    2015-07-15

    Caribbean reef corals have declined sharply since the 1980s, but the lack of prior baseline data has hindered identification of drivers of change. To assess anthropogenic change in reef environments over the past century, we tracked the composition of subfossil assemblages of bivalve and gastropod mollusks excavated from pits below lagoonal and offshore reefs in Bocas del Toro, Panama. The higher prevalence of (a) infaunal suspension-feeding bivalves and herbivorous and omnivorous gastropods in lagoons and (b) epifaunal and suspension-feeding bivalves and carnivorous and suspension-feeding gastropods offshore reflected the greater influence of land-based nutrients/sediments within lagoons. Temporal changes indicated deteriorating environmental conditions pre-1960 in lagoons and post-1960 offshore, with offshore communities becoming more similar to lagoonal ones since 1960. Relative abundances of dominant bivalve species tracked those of their coral hosts, revealing broader ecosystem effects of coral community change. The nature and timing of changes implicate land-based runoff in reef deterioration. Copyright © 2015. Published by Elsevier Ltd.

  2. Estudio descriptivo de las anomalías congénitas del tracto urinario intervenidas en el Hospital Infantil Universitario Rafael Henao Toro de Manizales-Caldas entre los años 2008-2015

    OpenAIRE

    Bocanegra Serrano, Luis Felipe; Castaño Castrillón, José Jaime; Duque Quintero, Antonio; Escalante Lopez, Manuel Alejandro; Garcia Clavijo, Luisa Fernanda; Leyton Rios, Fernanda Estefania; Pelaez Giraldo, Natalia

    2016-01-01

    Objetivo: analizar las historias clínicas de los pacientes intervenidos por reflujo vesicoureteral en el Hospital Infantil Universitario Rafael Henao Toro de Manizales-Caldas durante los años 2008-2015. Materiales y métodos: estudio descriptivo en el cual se revisaron 52 historias clínicas. Resultados: el género masculino tiene una proporción de 52,9%, en un 68,6% la procedencia es de Manizales, 53,2% de estrato social 3, la edad promedio es de 3,16±2,82 años. En cuanto a las variables pondoe...

  3. Use of chitosan and polypropylene for the surgical correction of penile deviation in bulls: clinical and histological aspects Uso de chitosan y polipropileno en la corrección quirúrgica de la desviación del pene en toros: aspectos clínicos e histológicos

    Directory of Open Access Journals (Sweden)

    RR Rabelo

    2012-01-01

    Full Text Available Problems in the reproductive tract may result in difficulty or inability to copulate. Premature penile deviation is an important cause of impotency in male bovines. The aim of the study was to perform clinical and histological evaluation of the correction of surgically induced penile deviation in bulls by fixing the penile apical ligament in the tunica albuginea using synthetic or biological implants. Twenty-one animals with normal penile conformation were subjected to surgical induction of penile deviation by excision of a fragment from the penile apical ligament and replacement with a chitosan slab or polypropylene mesh. The scarification of the tunica albuginea was assessed as a control. The results showed that the tested or evaluated surgical techniques were ineffective in penile deviation correction, since all the animals failed to reestablish the normal axis of the penis. However, microscopic exam revealed that the chitosan slabs proved to be less irritating to the receptor tissue. Therefore, the proposed surgical techniques using synthetic or biological implants were ineffective for the correction of induced penile deviation in bulls.Los problemas en el tracto reproductivo pueden causar dificultad o incapacidad para copular. La desviación prematura del pene es una causa importante de la impotencia en bovinos machos. El objetivo de este estudio fue realizar una evaluación clínica e histológica de la corrección de la desviación inducida quirúrgicamente en el pene de los toros, mediante la fijación del ligamento apical del pene en la túnica albugínea con implantes sintéticos o biológicos. Veintiún bovinos machos saludables no castrados mestizos, con una libido normal fueron sometidos a la inducción quirúrgica por la extirpación de un fragmento del ligamento apical del pene y su sustitución por una losa de quitosano y una malla de polipropileno después de la confirmación de la desviación del pene. Aunque el examen microsc

  4. Sociedad mostrada, sociedad criticada: el teatro de Francisco Toro Luna = Shown society, criticized society: Theater of Francisco Toro Luna

    Directory of Open Access Journals (Sweden)

    Rosal Nadales, Francisco José

    2016-09-01

    Full Text Available Resumen: Francisco Toro Luna, autor dramático que trabajó a comienzos del siglo XX, representó en sus obras la sociedad que conoció. No se limitó a presentarla para el mero entretenimiento del público. Incluyó ciertas dosis de crítica social, especialmente dirigida contra la burguesía. Tras el estudio de sus obras publicadas, comprobaremos cómo mostró algunas de las convenciones morales de este grupo elitista, criticó la utilización de la religión y de la política para conseguir el ascenso social, y defendió la atención a los más desfavorecidos. Más que cambiar la sociedad de su tiempo, el autor pretendió mostrar algunos de sus defectos y proponer soluciones que fuesen asequibles, sin grandes ideales sociales. Abstract: Francisco Toro Luna, playwright who worked in the early twentieth century, represented the society which he met in his Works. It was not presented for mere entertainment of the public. It included certain amount of social criticism, especially against the bourgeoisie. After studying his published works, we will check how he showed some of the moral conventions of this elite gruop, criticized the use of religion and politics to achieve social mobility, and defended attention to the most disadvantaged. Rather than changing the society of his time, the author tried to show some of its shortcomings and propose solutions that were affordable, without great social ideals.

  5. Amor y muerte en la Castilla de Sancho II: Las almenas de Toro de Lope de Vega

    OpenAIRE

    2013-01-01

    Lope de Vega recrea diferentes hechos históricos del reinado de Sancho II de Castilla en 'Las almenas de Toro', una obra en la que se dan cita el amor y la muerte, los engaños y las traiciones. La historia castellana del siglo XI sirve al dramaturgo para construir una comedia en la que los personajes están dominados por las pasiones

  6. Amor y muerte en la Castilla de Sancho II : «Las almenas de Toro» de Lope de Vega

    OpenAIRE

    2013-01-01

    Lope de Vega recrea diferentes hechos históricos del reinado de Sancho II de Castilla en Las almenas de Toro, una obra en la que se dan cita el amor y la muerte, los engaños y las traiciones. La historia castellana del siglo xi sirve al dramaturgo para construir una comedia en la que los personajes están dominados por las pasiones. In Las almenas de Toro, Lope de Vega recreates different historical events that took place during the reign of Sancho II of Castile. This play joins together lo...

  7. Toros y música como motivos carnavalescos en el altiplano mexicano

    Directory of Open Access Journals (Sweden)

    Frédéric Saumade

    2012-01-01

    Full Text Available Las figuras del torero y de la corrida de toros, con la música que se les asocia, son emblemáticas del imperialismo hispánico donde éste se haya difundido, sea por el efecto de la proximidad geográfica (en el Sur de Francia, sea por la colonización (en el continente americano. Esta propagación ha dado lugar a una serie de recreaciones que oscilan entre unos espectáculos tauromáquicos serios (el rodeo americano o la corrida camarguesa, por ejemplo y una infinidad de representaciones burlescas del enfrentamiento del hombre con el toro en el marco de las fiestas populares. Este artículo analiza dos casos observados en comunidades indígenas del centro de México, en las que el rito carnavalesco está estructurado por danzas y representaciones irrisorias de la corrida que van acompañadas por unos estilos de música que expresan los traumatismos de la colonización y del mestizaje.

  8. The Republic of Panama.

    Science.gov (United States)

    1986-08-01

    Panama's open financial system, skilled labor force, adequate infrastructure, and export-oriented commercial sector give it a greater prospect for recovery from Latin America's economic crisis than other countries. Indicators such as average daily caloric rate, population per health care worker, per capita income, total fertility rate, life expectancy, and percent of population under 15 years are more favorable in Panama than neighboring countries. However, economic growth is at present being undermined by internal and external debt, unemployment, high labor costs, and a rising trade deficit. Real per capita output has stagnated since 1980 and growth in the gross domestic product stood at 4.4% in 1982. Over 60% of married women in Panama use modern contraceptive methods, making the birth rate of 28/1000 the lowest in Central America. Panama's growth rate is expected to be 1.9%/year until the year 2000, at which point the population is projected to be 3 million. The infant mortality rate was 26/1000 in 1985, comparable to that in developed countries. Of concern has been rapid urbanization. 54% of the total population in 1980 lived in urban areas, and 66% of the urban population is concentrated in Panama City. Another concern is the tremendous gap between the rich and the poor in Panama. In 1980, the poorest 20% of the population received only 2.7% of total income, while the richest 20% received 60.3%. Such inequality has been somewhat compensated for by above average health services, a national sanitation program to provide safe drinking water, and strong government support for public education. Female labor force participation rates are higher in urban areas, but tends to be concentrated in the low-paying service sector. To absorb additions to the labor force, the economy needs to grow by 7.5%/year.

  9. Historical Seismicity of Central Panama

    Science.gov (United States)

    Camacho, E.

    2013-05-01

    Central Panama lies in the Panama microplate, neighboring seismically active regions of Costa Rica and Colombia. This region, crossed by the Panama Canal, concentrates most of the population and economic activity of the Republic of Panama. Instrumental observation of earthquakes in Panama began on 1882 by the Compagnie Universelle du Canal Interocéanique de Panama and continued from 1904 to 1977 by the Panama Canal Company. From October 1997 to March 1998 the USGS deployed a temporary digital seismic network. Since 2003 this region is monitored by a digital seismic network operated by the Panama Canal Authority and I complemented by the broad band stations of the University of Panama seismic network. The seismicity in this region is very diffuse and the few events which are recorded have magnitudes less than 3.0. Historical archives and antique newspapers from Spain, Colombia, Panama and the United Sates have been searched looking for historical earthquake information which could provide a better estimate of the seismicity in this region. We find that Panama City has been shaken by two destructive earthquakes in historical times. One by a local fault (i.e. Pedro Miguel fault) on May 2, 1621 (I=Vlll MM), and a subduction event from the North Panama Deformed Belt (NPDB) on September 7, 1882 (I=Vll MM). To test these findings two earthquakes scenarios were generated, using SELENA, for Panama City Old Quarter. Panama City was rebuilt on January 21, 1673, on a rocky point facing the Pacific Ocean after the sack by pirate Morgan on January 28, 1671. The pattern of damage to calicanto (unreinforced colonial masonry) and wood structures for a crustal local event are higher than those for an event from the NPDB and seem to confirm that the city has not been shaken by a major local event since May 2, 1621 and a subduction event since September 7, 1882

  10. Evaluación del empleo de hollejo fresco o conservado en dietas para la ceba de toros Evaluation of the use of fresh or preserved citrus pulp in diets for bull fattening

    Directory of Open Access Journals (Sweden)

    F Ojeda

    2010-06-01

    Full Text Available Con el objetivo de evaluar las ganancias de peso en toros que consumían hollejo de cítrico fresco o conservado, se realizó un estudio durante 120 días en dos cebaderos de la Empresa Citrícola «Victoria de Girón», en Jagüey Grande, Matanzas. Ambas unidades disponían de 400 animales y la raza predominante era Cebú comercial. El manejo consistió en pastoreo restringido (cuatro horas y estabulación (20 horas. La disponibilidad de pasto fue de 5 y 3 kg de MS/animal/día para la lluvia y la seca, respectivamente. Las dietas consistieron en forraje verde y hollejo de cítrico fresco o ensilado a voluntad. Además se suplementó con 0,5; 1,0; 1,1 y 0,05 kg/animal/día de heno, residuos fermentados de maíz, afrecho de trigo y sal mineral, respectivamente; la urea se ofreció según los balances alimentarios. Se midió el consumo de los alimentos voluminosos y la ganancia de peso vivo. Se efectuaron balances alimentarios previos y retrospectivos al finalizar el estudio. La mayor ingestión de forraje (8,1 vs 7,7 kg/animal/día se obtuvo en la dieta de hollejo fresco. Las ganancias fueron de 0,641 vs 0,633 kg/animal/día para los animales que consumían hollejo fresco y ensilaje, respectivamente. La conversión alimentaria fue alta (11,4 y 11,6 para los animales que disponían de hollejo fresco y ensilado, respectivamente. Esta evaluación demostró que en igualdad de condiciones, no hubo grandes diferencias productivas al emplear cualquiera de las dos formas de suministro.With the objective of evaluating the weight gains in bulls that consumed fresh or preserved citrus pulp, a study was conducted for 120 days in two fattening farms of the Citrus Fruit Firm «Victoria de Girón», in Jagüey Grande, Matanzas. Both units had 400 animals and the prevailing breed was commercial Zebu. The management consisted in restricted grazing (four hours and confinement (20 hours. Pasture availability was 5 and 3 kg DM/animal/day for the rainy and dry

  11. Panama: Owning the Canal

    Science.gov (United States)

    2014-03-01

    2010, http://www.aguasdigital.com; “Preven Una Inversion Millonaria Para Un Proyecto Turistico En Una Antigua Base de EE.UU. in Panama,” EFE Agencia...www.glp.com.pa/en/mayor-alfredo-aleman-anuncio-inicio-de-construccion-de- albrook-mall/; “Grupo Los Pueblos Completo Segunda Fase de Expansion de...Centro Comercial Albrook Mall,” Grupo Los Pueblos, February 9, 2004; “Mayor Alfedo Aleman Confirmo Tercera Fase de Albrook Mall,” Grupo Los Pueblos

  12. Panama International Merchandise Mart

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Interview With Reynald H.Katz PIMM is the product of one visionary’s mind, namely that of trade special- ist and entrepreneur Reynald Henry Katz who started early as a self-made businessman trading handmade jewelry. Katz’s innovative approach and talent for sales have served him well throughout his remarkable career,a ca- reer that has taken him to the United Kingdom,the United States,the Middle East and China,before eventuaUy set- tling down in Panama,In this interview,Katz speaks about how he came up with the idea for PIMM and shares with us some of his personal

  13. Variabilidad mensual de la velocidad de surgencia y clorofila a en la región del Panama Bight (Monthly rate variation upwelling and chlorophyll a in the region of Panama Bight

    Directory of Open Access Journals (Sweden)

    Nancy Villegas

    2016-09-01

    Full Text Available Las zonas de surgencia y la presencia de clorofila a en la región del Panamá Bight (golfo de Panamá fueron comparadas en una escala mensual. Las variables utilizadas fueron la velocidad vertical de surgencia estimada mediante el software EVA. V.2.0 y la concentración de clorofila a obtenida de imágenes satelitales SeaWifs. El estudio fue realizado para el área costera entre 6° 30’ y 2° N y en los tres principales focos de ascenso de agua, el primero ubicado entre 83-84° W y 1° 30’-2° 30’ N, el segundo entre 81-82° W y 1° 30’-2° 30’ N, y el tercero entre 82-83° W y 2° 30’-3° 30’ N. Los resultados muestran la asociación directa entre la concentración de clorofila a y la surgencia durante todo el año. El estudio también resalta que el desplazamiento de la zona de convergencia intertropical ZCIT determina la variabilidad estacional del proceso de ascenso, atenuándolo cuando pasa sobre el área de estudio y reforzándolo mientras se aleja. El análisis de correlación entre las variables bajo estudio dio como resultado coeficientes estadísticamente significativos entre 0.5 y 0.9 en los tres focos principales y valores no significativos en la zona costera. (Abstract. The influence of the migration of the ITCZ on the climatic variability of the upwelling vertical velocity (Vz and the spatial-temporal behavior of upwelling spots over the CPO was determined. This influence was corroborated by the presence of chlorophyll a in the upwelling zones. Vz values were calculated with EVA . V.2.0 software. The chlorophyll a content was extracted from satellite images for 1997-2000. A comparison between the upwelling zones distribution, the migration of ITCZ and chlorophyll a was made. This comparison was based on the correlation between variables of three upwelling focuses and a coastal upwelling. The first focus was located between 83-84° W and 1° 30’-2° 30’ N, the second one between 81-82° W and 1° 30’- 2° 30

  14. Melqart-Herakles matando al Toro Celeste en una placa ebúrnea de Medellín

    Directory of Open Access Journals (Sweden)

    Almagro-Gorbea, Martín

    2002-12-01

    Full Text Available An ivory plaque found in the Tartessian necropolis from Medellin (Badajoz, Spain, dated about 600 B.C., shows a hero with a Phygian helmet killing a bull. The iconography of this scene can be interpreted a Phoenician-Tartessian myth of «Melqart killing de Heaven's Bull», which could be a precedent of the well-known Greek myth of «Herakles and the Cretan Bull». This ivory plaque is interesting not only for classical iconography but also to show the deep relation between the Phoenician and the Tartessian mythology.En la necrópolis tartésica orientalizante de Medellín ha aparecido una placa con una escena de tauromaquia fechada hacia el 600 a.C. con un personaje con gorro frigio que apuntilla a un toro. Su análisis iconográfico permite interpretarla como un posible mito de «Melqart dando muerte al Toro Celeste», probable precedente del mito griego de Heracles y el Toro de Creta. Además de su interés para la mitología clásica, este marfil confirma la profunda interrelación entre la mitología y las creencias tartésicas y fenicias.

  15. Un juicio sobre corridas de toros en la colonia : La Villa de Mompox, teatro de los acontecimientos

    Directory of Open Access Journals (Sweden)

    Gerardo Andrade González

    1966-10-01

    Full Text Available Entre los diversos acontecimientos que se suscitaban en los tiempos del vasallaje español en América, por cierto muchos de ellos imprevistos y hasta extraños, como misteriosos y diabólicos parecían a los mismos protagonistas del Nuevo Mundo, se cuenta uno que tuvo lugar en la Villa de Mompox, jurisdicción de la provincia de Cartagena de Indias, en el Nuevo Reino de Granada, el año de 1769, durante el gobierno del virrey Pedro Mesía de la Cerda, lo motivó las conidas de toros; diversión esta que se tenía por diaria en la citada villa a semejanza de lo que ocurría en otras ciudades del virreinato: Honda o la ciudad de Cartagena.

  16. Memoria personal e Historia nacional: conversando con Suso de Toro - Memoria personale e Storia nazionale: conversazione con Suso de Toro

    Directory of Open Access Journals (Sweden)

    Sara Polverini

    2014-12-01

    Full Text Available In the following interview, Suso de Toro recalls his career as a novelist from the beginnings to the present day. He focuses on the evolution of his narrative style against the backdrop of the recent Spanish historical context. The author concentrates on those works that characterize him as an engaged writer: Non volvas (2000, Home sen nome (2006, Sete palabras (2010 e Somnámbulos (2014.

  17. Esa mujer inalcanzable. La psicología de la mujer en la pintura de Félix Rovelló de Toro

    Directory of Open Access Journals (Sweden)

    Porta Tovar, José María

    2001-03-01

    Full Text Available Not available

    Se recoge en este artículo un análisis del perfil de la mujer pintada por el maestro Félix Revello de Toro, desde el punto de vista de la psicología moderna.
    El autor, José M.ª Porta Tovar, psiquiatra de profesión, estudia minuciosamente los detalles de las modelos de su pintura, para descubrir, a partir del conjunto de todos ellos, ese perfil de la mujer ideal, sublimado e inalcanzable, pero presente y sugestivo en el subconsciente colectivo del hombre de nuestros días.

  18. Area Handbook Series: Panama: A Country Study

    Science.gov (United States)

    1989-01-01

    Directorate of Statistics and Census, Estadistica Panamefia, No. 970, Panama City, March 1985, 6-7. Table 4. Indigenous Population, by Province or...970. Panama City: March 1985. -. Estadistica Panamefa, Situacidn Cultural, 511 (Educacidn). Panama City: 1983. -. Panamd en Cifas: Afios 1973-1977

  19. Programa de Reconstrucción en la Comuna de Punitaqui - Localidad de El Toro.

    Directory of Open Access Journals (Sweden)

    Isabel Zapata Alegría

    2003-01-01

    Full Text Available El presente artículo hace referencia a la formulación de un programa de reconstrucción de viviendas, y ejecución de un proyecto específico en la localidad de El Toro, comuna de Punitaqui IV Región de Coquimbo, post terremoto de 1997. Se buscó incentivar un proceso de recontrucción y acondicionamiento del hábitat, para lo cual se gesta y desarrolla una experiencia innovativa en materia socio habitacional; materializándose un microproyecto de entornos, en el cual participan 16 familias pobres, que contaban con títulos de dominio vigentes y núcleo sanitario básico. El desafío fue implementar una metodología de trabajo participativo, considerando en el diseño y planificación del hábitat aspectos culturales, necesidades laborales y apoyo al desarrollo de actividades productivas, y rescate del patrimonio morfológico y espacial de las comunidades agrícolas. En consecuencia se planteó un proyecto de autogestión, que buscara satisfacer necesidades integrales del habitar, que superaran el déficit material de vivienda, apostando a incrementar la calidad de vida, mediante distintos grados de adaptación de la vida familiar al hábitat físico- espacial.

  20. Phlebotomus Fever Viruses in Panama.

    Science.gov (United States)

    1981-08-01

    species have been Lutzomyia gomezi, Lu. panamensis, Lu sanguinaria, Lu. trapidoi and Lu. ylephilator. Less numerous has been Lu. olmeca . Blood fed...gomezi, 1 Lu. ylephila- lator and 1 Lu. olmeca ). These flies had fed on a viremic hamster shown to be circulating 2.6 x 103pfu/ml of PT virus. Virus was...originally fed on a hamster viremic with CHG virus. Punta Toro virus was recovered from a Lu. olmeca which origi- nally fed on a hamster viremic with PT

  1. Gravity modeling constraints on the Gatun-Chagres Basin and tectonic evolution of north-central Panama

    Science.gov (United States)

    Mynhier, Kelci

    The Oligocene-Miocene collision between Panama and South America significantly influenced ocean currents, global climate, and species diversification. Intraplate deformation of the Panama Block also played an important role in the evolution of this tectonic system, but is not well understood. A high-resolution gravity survey, coupled with geologic observations, was conducted in north-central Panama to better constrain the processes responsible for the Isthmus' modern configuration. Approximately 110 gravity stations were collected from Colon to Nombre de Dios, Panama and merged with existing data. Subsequently, four 2.5-D gravity models were produced to constrain the geometry of the Gatun-Chagres Basin using different sedimentary densities (1.8, 2.0, and 2.2 g/cm 3) to produce a realistic range of basin thicknesses. Overall, models with an average basin density of 2.0 g/cm3 are most consistent with offshore seismic profiles and field evidence, suggesting basin thickness is ~3.0--3.5 km. Previous seismic reflection data and geochemical analyses of Miocene arc volcanic rocks delineate a zone of extension in the Panama Canal Region, and gravity analysis from this study supports this hypothesis. Field evidence of multiple NW-facing normal faults suggests that they separate the basin from uplifted arc basement rocks east of the Canal, resulting in a 60 mGal gravity gradient. Beneath the basin, gravity models indicate ~5--10 km of crustal thinning. 3-D reconstruction of the 2.5-D models show a northward thickening basin and two depocenters that correspond to the Rio Indio and Toro facies of the Chagres Formation. This analysis suggests two directional extension of the Gatun-Chagres Basin; an east-west direction corresponding to the initial formation of the basin, and a modern northwest-southeast direction. To the northeast, gravity modeling indicates that there is a ~150 m-thick, Cretaceous-Holocene sedimentary basin present from Portobelo to Nombre de Dios. Sedimentary

  2. Perdurabilidad de la efectividad de la combinación penicilina-estreptomicina en la reducción de la carga bacteriana del semen de toro congelado en pastillas (Durability of the effectiveness of the penicillin-streptomycin combination in the reduction of the bacterial content of frozen bulls semen in concentrated pellet form)

    OpenAIRE

    2005-01-01

    Se investigaron por bacteriología general 206 muestras de semen fresco, 133 de semen diluido y congelado en forma de pastillas con adición de penicilina-estreptomicina y 33 sin antibióticos, de diferentes toros de inseminación artificial clínicamente sanos. El resumen de los aislamientos agrupados según las especies bacterianas reveló que las especies más frecuentemente aisladas en muestras de semen fresco fueron E. coli (50,6%), otras enterobacterias (27,7%), Staphylococcus coag. neg. (26,2%...

  3. Rica and Portobelo, Panama

    Directory of Open Access Journals (Sweden)

    Juan Antonio Aguirre G.

    2006-01-01

    Full Text Available Los parques nacionales y las áreas protegidas se han convertido en una de las formas de uso de la tierra más importantes en la America Central en anos recientes. Si las proyecciones de crecimiento del turismo de la Organización Mundial de Turismo son correctas, para el ano 2010, la America Central estaria recibiendo entre 8 y 10 millones de turistas, numero que representa el doble de lo que la region recibe en la actualidad. El estudio que se reporta en este trabajo consistio de 390 encuestas en tres comunidades aledanas a tres importante parques nacionales de la region. Bagazit, aledaña al Parque Nacional Palo Verde en Costa Rica, Portobelo comunidad aledaña al Parque Nacional Portobelo en Panamá y Nindiri comunidad aledaña al Parque Nacional Volcán Masaya en Nicaragua. El estudio encontró que no había diferencias significativas al nivel de 95% entre las variables socio-demográficas: edad, sexo, educación, e ingreso mensual entre las tres comunidades. El nivel educativo del entrevistado fue identificado como las variables que al parecer mas afectaba, la opinión sobre el estado de las relaciones al tercer presente en dos de los tres modelos estandarizados estimados. Las variables que median, si el trabajo desempeñado por el entrevistado estaba relacionado o no con el turismo y si en la comunidad había suficientes negocios o no que podían servir a los turistas parecen ser elemento claves, en la determinación del nivel de percepción sobre el estado de las relaciones. El turismo y las actividades económicas relacionadas a esta actividad será en el futuro inmediato elementos esenciales en el desarrollo de las relaciones comunidades / parque en la región, en la medida que la actividad se convierta en elemento clave del desarrollo económico de la América Central.

  4. Evolución de la población de Toro (1900-1991

    Directory of Open Access Journals (Sweden)

    María de los Ángeles MARTÍN FERRERO

    2009-11-01

    Full Text Available Toro, cabecera de comarca histórica, se encuentra en el centro geográfico de la denominada Tierra de Toro. Esta comarca, compuesta de dieciséis núcleos de población, está recorrida por una red radial de carreteras que cruzan por Toro; igualmente, la carretera Internacional que va a Miranda de Douro atraviesa la ciudad de Toro, esta carretera es la de Zamora-Valladolid. Si a todo lo anterior añadimos que es un núcleo central entre Zamora-Salamanca-Valladolid, y su tupida red de autobuses, además de poseer ferrocarril, nos da clara idea de la importancia que en el tiempo tuvo esta ciudad y la que actualmente tiene en su espacio comarcal.

  5. Perdurabilidad de la efectividad de la combinación penicilina-estreptomicina en la reducción de la carga bacteriana del semen de toro congelado en pastillas (Durability of the effectiveness of the penicillin-streptomycin combination in the reduction of the bacterial content of frozen bulls semen in concentrated pellet form

    Directory of Open Access Journals (Sweden)

    Luis O. Alba Gómez

    2005-07-01

    Full Text Available Se investigaron por bacteriología general 206 muestras de semen fresco, 133 de semen diluido y congelado en forma de pastillas con adición de penicilina-estreptomicina y 33 sin antibióticos, de diferentes toros de inseminación artificial clínicamente sanos. El resumen de los aislamientos agrupados según las especies bacterianas reveló que las especies más frecuentemente aisladas en muestras de semen fresco fueron E. coli (50,6%, otras enterobacterias (27,7%, Staphylococcus coag. neg. (26,2% y S. aureus (17,5%. En el semen congelado sin antibióticos y congelado con antibióticos estas bacterias fueron igualmente las predominantes. Se observó disminución de la frecuencia de aislamientos en las muestras de semen congelado sin antibióticos (78,8% que se hizo más notable en las muestras con antibióticos (18,8%, diferencias estadísticamente significativas

  6. Cubierta hinchable de la plaza de toros de Valladolid, un intento frustrado

    Directory of Open Access Journals (Sweden)

    Monjo Garrió, Juan

    1991-06-01

    Full Text Available This article contains the previous calculations and preparatory works for the covering of the Arena of Valladolid with a penumatic dome in the shape of a segment of a sphere, made out of polietilene membrane and radial "perlon" ribbons reinforcement. The objective of the dome being the temporary covering (10 days of the Building Techniques and Materials Show (CONSTRUVALL-89 organized by the School of Architecture students at the University of Valladolid In March 1989. The works for the making up of the dome are also described as well as the attempt for its inflation that, unfortunately, failed due, above all, to the bad weather conditions of those days.

    El presente artículo contiene los cálculos previos y trabajos preparatorios para el cerramiento del ruedo de la plaza de toros de Valladolid mediante una cubierta hinchable en forma de casquete esférico, ejecutada con lámina de polietileno y refuerzos radiales de cinta de perlón. Dicha cubierta tenía el objetivo de albergar temporalmente (10 días la exposición de materiales y sistemas constructivos (CONSTRUVALL-89 organizada por los alumnos de 6. ° curso de la Escuela Técnica Superior de Arquitectura de la Universidad de Valladolid, en marzo de 1989. Se describen, asimismo, los trabajos de confección y montaje de la cubierta, así como el intento de hinchado de la misma que, desgraciadamente, resultó frustrado, debido, sobre todo, a las malas condiciones atmosféricas del momento.

  7. Las corridas de toros en los pueblos mayas orientales. Una aproximación etnográfica Bullfights at Eastern Maya Towns. An Etnographic Approach

    OpenAIRE

    Andrés Medina Hernández; Francisco Javier Rivas Cetina

    2010-01-01

    En este ensayo realizamos una descripción de las corridas de toros en los pueblos mayas del oriente de Yucatán; la intención principal es situar esta expresión festiva en el contexto de los rituales que configuran las fiestas patronales, de tal manera que se destaque un hecho central: la profunda transformación de una fiesta de claros orígenes ibéricos en una manifestación profundamente entramada con una visión del mundo de raíz mesoamericana. Un eje de análisis es el que corresponde a las no...

  8. Panama: Political and Economic Conditions and U.S. Relations

    Science.gov (United States)

    2008-07-31

    project known as the Puebla -Panama plan. The plan, which has the goal of spurring development in the region, will improve highways, standardize customs...as couriers who transit Panama by commercial air flights. There also has been increasing domestic drug abuse, particularly among youth. Addiction...narcotics training. Howard Air Force Base in Panama provided secure staging for detection, monitoring, and intelligence collecting assets. Panama

  9. Clasificación funcional de la hipertensión pulmonar en niños: informe del task force pediátrico del Pulmonary Vascular Research Institute (PVRI, Panamá 2011 Functional classification of pulmonary hypertension in children: Report from the PVRI pediatric taskforce, Panama 2011

    Directory of Open Access Journals (Sweden)

    Astrid E Lammers

    2012-12-01

    Full Text Available Los miembros del Task Force pediátrico del Pulmonary Vascular Research Institute (PVRI, su sigla en Inglés fueron conscientes de la necesidad de desarrollar una clasificación funcional de la hipertensión pulmonar en niños. La clasificación que se propone sigue el mismo patrón y utiliza los mismos criterios de la clasificación de la hipertensión pulmonar específica para adultos de Dana Point. Fue necesario incluir modificaciones para los niños, teniendo en cuenta que la edad, el crecimiento físico y la madurez influyen en la expresión funcional de la enfermedad. Es necesario definir el estado clínico del niño, pues ello facilita revisar la evolución del mismo en una forma consistente y objetiva a medida que él/ella crecen. Particularmente en los niños más jóvenes, se trató de incluir indicadores objetivos como el crecimiento, la necesidad de alimentos suplementarios y los registros de asistencia al colegio y a la guardería. Esto ayuda a monitorear la evolución clínica y la respuesta al tratamiento a través de los años y facilita el desarrollo de algoritmos de tratamiento en estos pacientes. Se presenta un artículo de consenso sobre una clasificación aplicable a los niños con hipertensión pulmonar que se discutió en la reunión anual del PVRI que se llevó a cabo en Panamá en febrero de 2011.The members of the Pediatric Task Force of the Pulmonary Vascular Research Institute (PVRI were aware of the need to develop a functional classification of pulmonary hypertension in children. The proposed classification follows the same pattern and uses the same criteria as the Dana Point pulmonary hypertension specific classification for adults. Modifications were necessary for children, since age, physical growth and maturation influences the way in which the functional effects of a disease are expressed. It is essential to encapsulate a child's clinical status, to make it possible to review progress with time as he/she grows

  10. Formation of the Isthmus of Panama

    Science.gov (United States)

    O'Dea, Aaron; Aguilera, Orangel; Aubry, Marie-Pierre; Berggren, William A.; Cione, Alberto L.; Coates, Anthony G.; Collins, Laurel S.; Coppard, Simon E.; Cozzuol, Mario A.; de Queiroz, Alan; Duque-Caro, Herman; Eytan, Ron I.; Farris, David W.; Gasparini, German M.; Grosmman, Ethan L.; Jackson, Jeremy B. C.; Johnson, Kenneth G.; Keigwin, Lloyd D.; Knowlton, Nancy; Leigh, Egbert G.; Leonard-Pingel, Jill S.; Lessios, Hailaos A.; Marko, Peter B.; Norris, Richard D.; Rachello-Dolmen, Paola G.; Restrepo-Moreno, Sergio A.; Soibelzon, Leopoldo; Stallard, Robert F.; Todd, Jonathan A.; Vermeiju, Geerat J.; Woodburne, Michael O.

    2016-01-01

    The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed many millions of years earlier than the widely recognized age of approximately 3 million years ago (Ma), a result that if true would revolutionize our understanding of environmental, ecological, and evolutionary change across the Americas. To bring clarity to the question of when the Isthmus of Panama formed, we provide an exhaustive review and reanalysis of geological, paleontological, and molecular records. These independent lines of evidence converge upon a cohesive narrative of gradually emerging land and constricting seaways, with formation of the Isthmus of Panama sensu stricto around 2.8 Ma. The evidence used to support an older isthmus is inconclusive, and we caution against the uncritical acceptance of an isthmus before the Pliocene.

  11. The Panama fossil power plants generation system: Atmospheric pollution, general and legal aspects; El sistema de generacion termoelectrico en Panama: Contaminacion atmosferica, aspectos generales y legales

    Energy Technology Data Exchange (ETDEWEB)

    Milciades, Concepcion [Instituto de Recursos Hidraulicos y Electrificacion, (Panama)

    1996-12-31

    The Thermal electric energy resource of Panama is administered by four Regional Managements and a group of Regional Systems comprising the fossil power plants supplying electric energy to the country`s marginal areas. The characteristics of the different fuels used in these fossil power plants, the results of the assessment of the polluting particles and sulfur and nitrogen oxides are presented. Finally, the alleviation measures and the environmental legislation implanted in these power plants are also presented [Espanol] El parque termico de Panama es administrado por cuatro Gerencias Regionales y un conjunto de Sistemas Regionales que comprenden las plantas termicas de menor capacidad destinadas a suplir de energia a las areas marginadas del pais. Se presentan las caracteristicas de los diferentes combustibles utilizados en estas unidades termicas; los resultados de las mediciones de particulas contaminantes y de oxidos de azufre y oxidos de nitrogeno. Por ultimo se presentan las medidas de mitigacion y legislacion ambiental implantadas en estas centrales termoelectricas

  12. A New Flux Splitting Scheme Based on Toro-Vazquez and HLL Schemes for the Euler Equations

    Directory of Open Access Journals (Sweden)

    Pascalin Tiam Kapen

    2014-01-01

    Full Text Available This paper presents a new flux splitting scheme for the Euler equations. The proposed scheme termed TV-HLL is obtained by following the Toro-Vazquez splitting (Toro and Vázquez-Cendón, 2012 and using the HLL algorithm with modified wave speeds for the pressure system. Here, the intercell velocity for the advection system is taken as the arithmetic mean. The resulting scheme is more accurate when compared to the Toro-Vazquez schemes and also enjoys the property of recognition of contact discontinuities and shear waves. Accuracy, efficiency, and other essential features of the proposed scheme are evaluated by analyzing shock propagation behaviours for both the steady and unsteady compressible flows. The accuracy of the scheme is shown in 1D test cases designed by Toro.

  13. A new record for American Bullfrog (Lithobates catesbeianus in San Juan, Argentina Nuevo registro de rana toro americana (Lithobates catesbeianus en San Juan, Argentina

    Directory of Open Access Journals (Sweden)

    Eduardo Sanabria

    2011-03-01

    Full Text Available We report a new record of Lithobates catesbeianus (American bullfrog from Argentina. L. catesbeianus was first introduced to San Juan Province 11 years ago in Calingasta Department, where the habitat is pre-cordilleran. The new record is for Zonda Department, San Juan Province, in the Monte desert region. Here, L. catesbeianus uses artificial ponds for reproduction and tadpole development. These ponds receive water from an irrigation system that connects the whole agriculture land in the region. The tadpoles use the irrigation canals to move among ponds. We suggest that legislation should be established to prevent future invasions and to achieve sustainable management of the wild American bullfrog populations in San Juan. Prevention of future invasion and management of established populations of this species requires the cooperation of numerous stake holders.Se presenta un nuevo registro de Lithobates catesbeianus (rana toro americana en Argentina. L. catesbeianus fue introducida por primera vez a la provincia de San Juan hace 11 años en el Departamento Calingasta, donde el hábitat es pre-cordillerano. El nuevo registro es para el Departamento Zonda en la provincia de San Juan, en el desierto del Monte. En este sitio, L. catesbeianus usa estanques artificiales para la reproducción y desarrollo del renacuajo. Los estanques reciben agua de un sistema de riego que conecta todas las tierras de la agricultura en la región. Los renacuajos utilizan los canales de riego para moverse entre los estanques. Sugerimos que se establezcan leyes para prevenir invasiones futuras y para lograr un manejo integrado de las poblaciones silvestres de rana toro que se encuentran en San Juan. La prevención de futuras invasiones y el manejo de las poblaciones establecidas de esta especie requieren la cooperación de numerosas entidades tanto gubernamentales como privadas.

  14. VARIABLES SEMINALES EN TOROS CRIOLLOS COLOMBIANOS COSTEÑO CON CUERNOS Y ROMOSINUANO

    Directory of Open Access Journals (Sweden)

    Rosana Palmieri

    2004-07-01

    Full Text Available En el Centro de Investigación «Turipaná», adscrito a la Corporación Colombiana de Investigación Agropecuaria(CORPOICA, ubicado al norte de Colombia; 8º31’ latitud norte y 75º49’ latitud oeste, se estudiaron las variablesseminales en toros Costeño con Cuernos (CCC y Romosinuano (RS. Como criterios de evaluación se consideraron:motilidad (MOT, motilidad progresiva individual rápida (MPIR, motilidad progresiva individual lenta (MPIL,concentración espermática (CON, anormalidades primarias (AP, anormalidades secundarias (AS, anormalidadestotales (AT, así como el porcentaje de inducción de reacción acrosómica in vitro (RA. El período experimental fue de75 días durante el cual se les realizó a ocho toros de cada raza, cada 15 días, examen físico, palpación rectal,evaluación seminal y prueba de inducción de la reacción acrosómica in vitro con heparina a una fracción deleyaculado. Las variables seminales de los eyaculados de toros CCC y RS respectivamente fueron: MOT 67% y 68%;MPIR 49% y 50%; MPIL 17% y 17%; CON 1.009x109 y 1.013x109 espermatozoides/ml; AP 3.8% y 3.4%; AS 14% y16%; AT 18% y 20% y RA 170% y 178%. No se encontró diferencias estadísticamente significativas entre las variablesMOT, MPIR, MPIL, AP, AS, AT y RA (P>0.05. Los resultados de las variables seminales, en general, fundamentan elpotencial de fertilidad de los toros criollos CCC y RS.

  15. Historical biogeography of the isthmus of panama

    OpenAIRE

    2014-01-01

    About 3million years ago (Ma), the Isthmus of Panama joined the Americas, forming a land bridge over which inhabitants of each America invaded the other-the Great American Biotic Interchange. These invasions transformed land ecosystems in South and Middle America. Humans invading from Asia over 12000years ago killed most mammals over 44kg, again transforming tropical American ecosystems. As a sea barrier, the isthmus induced divergent environmental change off its two coasts-creating contrasti...

  16. Hantavirus Fever without Pulmonary Syndrome in Panama

    Science.gov (United States)

    Armien, Blas; Pascale, Juan M.; Muñoz, Carlos; Mariñas, Jamileth; Núñez, Heydy; Herrera, Milagro; Trujillo, José; Sánchez, Deyanira; Mendoza, Yaxelis; Hjelle, Brian; Koster, Frederick

    2013-01-01

    In Panama, hantavirus pulmonary syndrome (HPS) is caused by Choclo virus, a species phylogenetically related to Andes and Maporal viruses. Up to 60% of the population has been positive for specific serum antibody in community-based surveys, but mortality is very uncommon. In four western Panama clinics, we tested individuals presenting with a severe febrile prodrome for acute hantavirus (HV) infection by immunoglobulin M enzyme-linked immunosorbent assay and reverse transcription polymerase chain reaction as well as clinically similar infections, such as dengue and leptospirosis. From 2006 to 2009, at least 21% of 117 patients diagnosed with HV infection had HV Fever (HF) with no evidence of pulmonary edema (no respiratory distress or radiographic lung infiltrates), and 44% of patients had very mild HPS (radiographic pulmonary edema but no respiratory insufficiency). HV infection caused by Choclo virus in Panama presents often as HF, which contrasts with HV in the Americas but is consistent with the high seroprevalence in endemic regions. PMID:23836565

  17. Manuel Antonio Noriega. Panama kindral liigub vanglast vanglasse / Arko Olesk

    Index Scriptorium Estoniae

    Olesk, Arko, 1981-

    2007-01-01

    Ilmunud ka: Postimees : na russkom jazõke 7. sept. lk. 13. Narkootikumide salakaubaveo, väljapressimise ja rahapesu eest USA vanglas viibiva Panama endise sõjaväejuhi Manuel Antonio Noriega vabanemisest, uuest kohtuteest Prantsusmaal, Panamas tagaselja tehtud kohtuotsusest mõrvade, inimõiguste rikkumise ja korruptsiooni eest. Panama sõjalise diktaatori eluteest, võimulepääsemisest ning USA sõjalisest invasioonist 1989. aastal, mis lõpetas kindrali võimu

  18. Manuel Antonio Noriega. Panama kindral liigub vanglast vanglasse / Arko Olesk

    Index Scriptorium Estoniae

    Olesk, Arko, 1981-

    2007-01-01

    Ilmunud ka: Postimees : na russkom jazõke 7. sept. lk. 13. Narkootikumide salakaubaveo, väljapressimise ja rahapesu eest USA vanglas viibiva Panama endise sõjaväejuhi Manuel Antonio Noriega vabanemisest, uuest kohtuteest Prantsusmaal, Panamas tagaselja tehtud kohtuotsusest mõrvade, inimõiguste rikkumise ja korruptsiooni eest. Panama sõjalise diktaatori eluteest, võimulepääsemisest ning USA sõjalisest invasioonist 1989. aastal, mis lõpetas kindrali võimu

  19. La introducción y el cultivo de la rana toro (Rana catesbeiana. ¿Un atentado a la biodiversidad de México?

    Directory of Open Access Journals (Sweden)

    Gustavo Casas Andreu

    2001-01-01

    Full Text Available Se analiza el efecto que la introducción y el cultivo de la rana toro (Rana catesbeiana ha tenido en el ecosistema y la biodiversidad en México. Se recomienda el cultivo de especies nativas para sustituir a la rana toro.

  20. United States Intervention in Panama: The Battle Continues

    Science.gov (United States)

    1991-02-11

    to establish a democratic system of government. Few reflected on the 12 prior U. S. interventions that proved counterproductive to U. S. and Panama’s...ANALYSIS AND RECOMMENDATIONS One year following Operation Just Cause, the status of Panama’s budding democratic system and its new government are uncertain

  1. 5 CFR 550.714 - Panama Canal Commission employees.

    Science.gov (United States)

    2010-01-01

    ... 5 Administrative Personnel 1 2010-01-01 2010-01-01 false Panama Canal Commission employees. 550.714 Section 550.714 Administrative Personnel OFFICE OF PERSONNEL MANAGEMENT CIVIL SERVICE REGULATIONS PAY ADMINISTRATION (GENERAL) Severance Pay § 550.714 Panama Canal Commission employees. (a) Notwithstanding any other provisions of this subpart,...

  2. 76 FR 68117 - Television Broadcasting Services; Panama City, FL

    Science.gov (United States)

    2011-11-03

    ...-140; RM-11683, DA 11-1735] Television Broadcasting Services; Panama City, FL AGENCY: Federal... Gray Television Licensee, LLC (``Gray''), the licensee of WJHG-TV, channel 7, Panama City, Florida...)(A). List of Subjects in 47 CFR Part 73 Television. Federal Communications Commission. Barbara...

  3. Country of Contrasts: A Study Guide on Panama.

    Science.gov (United States)

    Athey, Lois E., Ed.; And Others

    This study guide seeks to provide resources to bring the voices and experiences of Panamanian students into classrooms. This guide includes: (1) "History of a Canal" (in English and Spanish) (Pablo Neruda); (2) "Poems by Cubena"; (3) "Maps of Panama and The Canal Zone"; (4) "Historical Overview: Panama (1501-1992)"; (5) "Molas" (Maria…

  4. The Proposed U.S.-Panama Free Trade Agreement

    Science.gov (United States)

    2011-04-21

    willing to locate in a former banana plantation. Two initiatives were controversial: a six-year moratorium on collective bargaining rights and the... Sheets : U.S.-Panama Trade Promotion Agreement, April 19, 2011. The Proposed U.S.-Panama Free Trade Agreement Congressional Research Service 31

  5. Tomoeda Hiroyasu, El toro y el cóndor

    OpenAIRE

    Sendón, Pablo F.

    2015-01-01

    La traducción al castellano de una etnografía escrita en japonés dedicada a las poblaciones campesino-indígenas de los Andes no sólo resulta un suceso editorial sino que también despierta el interés – o debería hacerlo – de los especialistas que, desde diversos rincones del mundo, se ocupan de temáticas y problemáticas afines. Incluso más, debido a la impericia de la gran mayoría de los especialistas para leer el idioma en el que el volumen por comentar fue concebido, las casi tres décadas qu...

  6. Tomoeda Hiroyasu, El toro y el cóndor

    OpenAIRE

    Pablo F. Sendón

    2015-01-01

    La traducción al castellano de una etnografía escrita en japonés dedicada a las poblaciones campesino-indígenas de los Andes no sólo resulta un suceso editorial sino que también despierta el interés – o debería hacerlo – de los especialistas que, desde diversos rincones del mundo, se ocupan de temáticas y problemáticas afines. Incluso más, debido a la impericia de la gran mayoría de los especialistas para leer el idioma en el que el volumen por comentar fue concebido, las casi tres décadas qu...

  7. 77 FR 77035 - U.S. Infrastructure Trade Mission to Colombia and Panama; Bogota, Columbia and Panama City...

    Science.gov (United States)

    2012-12-31

    ... International Trade Administration U.S. Infrastructure Trade Mission to Colombia and Panama; Bogota, Columbia... Register of December 4, 2012 regarding the U.S. Infrastructure Trade Mission to Colombia and Panama May 13.... Commercial Service Colombia, Tel: 57-1-2752519, Email: carlos.suarez@trade.gov ; or Enrique Tellez,...

  8. Management Strategy for Hydroelectric Project Toro 2: Knowing and enhancing natural resources sustainably

    Directory of Open Access Journals (Sweden)

    José Pereira Chaves

    2014-01-01

    Full Text Available The aim of this article is to understand and sustainably enhance the biological and ecological resources of the Hydroelectric Project of Toro 2, thus; a research was carried out to inventory the presence of birds, mammals and plants, in order to know if the site qualifies as a biological tourist attraction, as well as to know the opinion of local people. It is proposed the sustainable uses of natural resources, through a strategy of use, management and conservation of the ecosystems.

  9. TORO Steak House&Gastro Bar:拉丁美飨

    Institute of Scientific and Technical Information of China (English)

    Tea

    2014-01-01

    Toro Steak House&Gastr oBar为饕客带来全新的拉丁美飨体验。餐厅的室内设计融合了拉丁美洲的餐饮元素以及纽约时尚的风格,餐厅深棕色的色调配合锻铁的装饰以及豪华皮革软座,构成既温暖柔和,又富格调的用餐气氛。

  10. Panama Canal Watershed Experiment- Agua Salud Project

    Science.gov (United States)

    Stallard, Robert F.; Ogden, Fred L.; Elsenbeer, Helmut; Hall, Jefferson S.

    2010-01-01

    The Agua Salud Project utilizes the Panama Canal’s (Canal) central role in world commerce to focus global attention on the ecosystem services provided by tropical forests. The Canal was one of the great engineering projects in the world. Completed in 1914, after almost a decade of concerted effort, its 80 km length greatly shortened the voyage between the Atlantic and Pacific Oceans. An entire class of ships, the Panamax, has been constructed to maximize the amount of cargo that can be carried in a Canal passage. In today’s parlance, the Canal is a “green” operation, powered largely by water (Table 1). The locks, three pairs on each end with a net lift of 27 meters, are gravity fed. For each ton of cargo that is transferred from ocean to ocean, about 13 tons of water (m3) are used. Lake Gatún forms much of the waterway in the Canal transect. Hydroelectricity is generated at the Gatún dam, whenever there is surplus water, and at Madden Dam (completed in 1936) when water is transferred from Lake Alhajuela to Lake Gatún. The Canal watershed is the source of drinking water for Panama City and Colon City, at either end of the Canal, and numerous towns in between.

  11. The Agua Salud Project, Central Panama

    Science.gov (United States)

    Stallard, R. F.; Elsenbeer, H.; Ogden, F. L.; Hall, J. S.

    2007-12-01

    The Agua Salud Project utilizes the Panama Canal's central role in world commerce to focus global attention on the ecosystem services provided by tropical forests. It will be the largest field experiment of its kind in the tropics aimed at quantifying the environmental services (water, carbon, and biodiversity) provided by tropical forests. The Agua Salud Watershed is our principal field site. This watershed and the headwaters of several adjacent rivers include both protected mature forests and a wide variety of land uses that are typical of rural Panama. Experiments at the scale of entire catchments will permit complete water and carbon inventories and exchanges for different landscape uses. The following questions will be addressed: (1) How do landscape treatments and management approaches affect ecosystem services such as carbon storage, water quality and quantity, dry- season water supply, and biodiversity? (2) Can management techniques be designed to optimize forest production along with ecosystem services during reforestation? (3) Do different tree planting treatments and landscape management approaches influence groundwater storage, which is thought to be critical to maintaining dry-season flow, thus insuring the full operation of the Canal during periods of reduced rainfall and severe climatic events such as El Niño. In addition we anticipate expanding this project to address biodiversity, social, and economic values of these forests.

  12. - Comportamiento sexual de toros en la sala de monta según Las técnicas de refrenamiento (Sexual behavior of bulls in the mounting-room according to restraint techniques

    Directory of Open Access Journals (Sweden)

    Luis O. Alba Gómez

    2006-02-01

    Full Text Available Resumen. Se investigaron 104 toros de diferentes razas sometidos a régimen de inseminación artificial, con el objetivo de evaluar el comportamiento sexual en la sala de monta según las técnicas de refrenamiento utilizadas. La duración promedio del tiempo de permanencia de los toros en la sala de espera osciló entre 30,1 y 40 minutos; se apreciaron diferencias estadísticamente significativas en la duración del preludio eyaculatorio según las razas, cuantitativamente más importantes en los toros Brown Swiss (3,86 min. y Cebú (6,4 min.; la duración del tiempo de reacción fue más eficiente en los toros mestizos 5/8 Holstein x 3/8 Cebú, por ser más cortos y con menor variabilidad; el promedio de montas falsas permitidas indica más de dos saltos falsos por monta. El coeficiente de correlación lineal entre la masa corporal según las razas y el tiempo de reacción fue de r = 0,03 y el de la edad entre el tiempo de reacción de r = 0,05. Se concluyó que el tiempo de reacción de la mayoría de los toros pudo ser afectado por el inadecuado manejo en la duración del refrenamiento pasivo en la sala de espera y el número excesivo de montas falsas permitidas. Sumary. For this work 104 bulls of different breeds subjected to artificial insemination regime were used with the objective of evaluating their sexual behavior in the mounting-room with the use of restraint techniques. The duration average of the time of permanency of the bulls in the waiting-room oscillated between 30.1 and 40 minutes; differences were appreciated statistically significant in the duration of the prelude ejaculatory according to the races, quantitatively more important in Brown Swiss (3.86 min. and Zebu (6.4 min. bulls; the duration of the time of reaction was more efficient in crossbred 5/8 Holstein x 3/8 Zebu bulls, for being shorter and with less variability; the average of allowed false mounts indicated more than two false jumps per mount. The coefficient of

  13. Geochemistry of quaternary shoshonitic lavas related to the Calama-Olacapato-El Toro Lineament, NW Argentina

    Science.gov (United States)

    Schreiber, U.; Schwab, K.

    Along the NW/SE-trending Calama-Olacapato-El Toro Lineament, Cenozoic volcanics occur far to the east of the main volcanic chain of the Central Andes. The petrochemical data of Quaternary shoshonitic lava flows of Cerro San Gerónimo and Cerro Negro de Chorrillos, situated on this lineament, are discussed in comparison with the data of presumably late Tertiary lavas and pyroclastics of the same area. The presence of foids and high temperature quartz crystals rimmed by pyroxene in the study samples indicates magma mixing. The REE patterns of the shoshonites are steep, with LREE enrichment up to 200 times that of chondritic values. This points to garnet as a constituent mineral in the residual phase during magma generation. The influence of fractionation of plagioclase can be ignored. The petrochemical data point to a basanitic alkali basaltic primordial magma. It is suggested that this magma could pass the very thick crust (>60km) along the deep-reaching Calama-Olacapato-El Toro Lineament. On the way up the magma was contaminated by mixing of up to 25% with a silicic magma to produce the shoshonitic lavas.

  14. Local wisdom of Ngata Toro community in utilizing forest resources as a learning source of biology

    Science.gov (United States)

    Yuliana, Sriyati, Siti; Sanjaya, Yayan

    2017-08-01

    Indonesian society is a pluralistic society with different cultures and local potencies that exist in each region. Some of local community still adherethe tradition from generation to generation in managing natural resources wisely. The application of the values of local wisdom is necessary to teach back to student to be more respect the culture and local potentials in the region. There are many ways developing student character by exploring local wisdom and implementing them as a learning resources. This study aims at revealing the values of local wisdom Ngata Toro indigenous people of Central Sulawesi Province in managing forest as a source of learning biology. This research was conducted by in-depth interviews, participant non-observation, documentation studies, and field notes. The data were analyzed with triangulation techniques by using a qualitative interaction analysis that is data collection, data reduction, and data display. Ngata Toro local community manage forest by dividing the forest into several zones, those arewana ngkiki, wana, pangale, pahawa pongko, oma, and balingkea accompanied by rules in the management of result-based forest conservation and sustainable utilization. By identifying the purpose of zonation and regulation of the forest, such values as the value of environmental conservation, balance value, sustainable value, and the value of mutual cooperation. These values are implemented as a biological learning resource which derived from the competences standard of analyze the utilization and conservation of the environment.

  15. Efecto de dos temperaturas de almacenamientos (5 y 20 °C) de epidídimos provenientes de toros de matadero sobre la calidad y congelabilidad de espermatozoides

    OpenAIRE

    Valverde Peralta, Edwin Enrique

    2016-01-01

    En esta investigación se evaluó la calidad espermática post-descongelación de espermatozoides de la cola del epidídimo de toros de matadero sometidos a dos temperaturas de almacenamiento (5oC y 20oC). Se colectó 8 pares de testículos se almacenó herméticamente en bolsas plásticas con Lactato Ringer por 6 horas. Los gametos fueron recuperados por flujo retrógrado de la cola del epidídimo se evaluó concentración, viabilidad espermática, se procesó ajustando a dosis de 50 x 106 esp/0,25ml con ...

  16. Primer registro de una población asilvestrada de rana toro (Lithobates catesbeianus en la Provincia de Córdoba, Argentina: Notas sobre la biología de la especie

    Directory of Open Access Journals (Sweden)

    Akmentins, Mauricio S.

    2008-12-01

    Full Text Available En Argentina se ha constatado la presencia de poblaciones asilvestradas de Lithobates catesbeianus en las provincias de San Juan (Sanabria et al., 2005 y de Misiones (Pereyra et al., 2006. Las ranas toro pueden eliminar a los anfibios nativos directamente a través de predación o competencia por interferencia, o indirectamente por competencia por explotación, modificación del comportamiento, alteración del hábitat o introducción de enfermedades o parásitos (Boone et al., 2004. El presente trabajo se realizó en la localidad de Agua de las Piedras (30º48' 46,2"S; 64º12'57,9"O; 760 msnm, la cual se encuentra a 65 km al norte de la ciudad de Córdoba, provincia de Córdoba, Argentina.

  17. Introduction of studio physics teaching in Panama

    Science.gov (United States)

    Barrera-Garrido, Azael

    2013-01-01

    Physics Studio teaching was recently introduced at an international and multicultural academic program of a U.S. university in Panama. The results of introducing and implementing studio-style teaching on the conceptual understanding of calculus-based introductory physics have been measured by comparing before and during studio implementation. The research was carried on over the last five years in different semesters. The measurement tool was the Force Concept Inventory. The initial learning stage of the incoming diverse students has been found to be at a significantly lower level than generally reported in the U.S. The normalized gain in conceptual understanding was significantly larger than in the former traditional system, and has become consistent in the last semesters. Multicultural aspects that may affect the entry level and performance enhancement are discussed.

  18. Panama välismajanduspoliitilised valikud / Sten Schwede

    Index Scriptorium Estoniae

    Schwede, Sten

    2003-01-01

    Panama Vabariigi suhtelise isoleerituse majanduslikest põhjustest. Analüüsi aluseks on regiooni majandusintegratsioonis toimunud arengud 1960. aastast alates. Tabel: Tööstuse osakaal sisemajanduse kogutoodangust Ladina-Ameerikas aastatel 1945-1999 (%)

  19. Fish survey data from Uva Island reef, Panama

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This project examines an eastern Pacific fish assemblage associated with a 2.5 hectare coral reef located within the boundaries of Coiba National Park, Panama. From...

  20. Panama välismajanduspoliitilised valikud / Sten Schwede

    Index Scriptorium Estoniae

    Schwede, Sten

    2003-01-01

    Panama Vabariigi suhtelise isoleerituse majanduslikest põhjustest. Analüüsi aluseks on regiooni majandusintegratsioonis toimunud arengud 1960. aastast alates. Tabel: Tööstuse osakaal sisemajanduse kogutoodangust Ladina-Ameerikas aastatel 1945-1999 (%)

  1. Toros y sociedad en el siglo XVIII. Génesis y desarrollo de un espectáculo convertido en seña de identidad nacional

    Directory of Open Access Journals (Sweden)

    Sánchez Álvarez-Insúa, Alberto

    2006-12-01

    Full Text Available Coinciding with the change of dinasty, during the beginning of the XVIIIth Century two simultaneous processes took place in Spain: a deep crisis of a nationall identity and the appearance of a new show: the bull fights as we know it today. Originally a royal function of the Austrias, due to the multilclass characteristics and the dialogical and identification processes between the audience and the bullfighter, it became a national identity sign which lasts to our days.Coincidiendo con el cambio dinástico, en el inicio mismo del siglo XVIII, tienen lugar en España dos procesos simultáneos: una profunda crisis de identidad nacional y la aparición de un nuevo espectáculo, la fiesta de toros, tal como la conocemos en la actualidad. Espectáculo derivado de la función real de los Austrias, pero cuyas características multiclasistas y el proceso dialógico y de identificación entre el espectador y el lidiador le llevan a convertirse en una seña de identidad nacional que perdura hasta nuestros días.

  2. Edificio de ocio y espectáculos. Plaza de toros en Móstoles, Madrid/España

    Directory of Open Access Journals (Sweden)

    Casado, J.

    1997-02-01

    Full Text Available The traditional image of the buildings for the 'Fiesta" must be seen as a point in a long process of definition in which important changes and innovations have been assimilated. Nowadays, things that should derive in some of these changes are happening. The "Plazas" are being used for purposes so different to those which motivated their construction as being the site for concerts or different kinds of shows. What most defines the traditional building is the centrally focused definition of the seats that allows a clear vision from any point of the ”ruedo”. Introducing a scene box meant extracting this focus from the "ruedo", so the optimal location should be found. Traditionally, the public has taken an active role in the "corrida". Each one of the seats is a place to look from, but it becomes too a place to be seen. So this seemed like the natural location for the scene, that will remark this peculiar relationship between the two main parts of the building, the rows of seats and the "ruedo". Obviously, the total amount of seats should be kept, so those to be invaded by the scene were displaced to the diametrically opposite point. What we, finally, have, is a traditional "ruedo" surrounded by a crown of seats with a varying width, where a scene box is placed. This compromise between Tradition and Evolution is what we propose as a way to explore in the future evolution of the "Plazas".

    Los edificios taurinos, tal como los hemos conocido, son el resultado de un largo proceso evolutivo, en el cual han existido momentos concretos de innovación y cambio. En España vivimos ahora el que, probablemente, deba ser uno de estos momentos. Las plazas de toros llevan ya tiempo intentando abrirse a otros usos, lúdicos o culturales, en busca de una mayor rentabilidad de sus instalaciones. Hasta el momento, este proceso no ha generado modificaciones que permitan el desarrollo de las distintas funciones en las mejores condiciones posibles, sino

  3. How old is the Isthmus of Panama?

    Science.gov (United States)

    Anthony G Coates,; Stallard, Robert F.

    2013-01-01

    The Standard Model of the formation of the Isthmus of Panama proposes that final closure occurred at 4–3 Ma. The model is based on evidence from studies of marine stratigraphy, fossil sequences, divergent molecular phylogenies, the timing of the Great American Biological Interchange (GABI), and proxies for marine paleosalinity, paleobathymetry, productivity, and paleotemperatures. The new model uses cooling of magmas in the Cretaceous to Early Miocene Central American Volcanic arc to propose Eocene emergence of the discrete structural blocks of the arc and then U/Pb dating, paleomagnetic pole rotations, and atlantic sea-floor anomalies to reconfigure the blocks for different time slices back to 25 Ma. Closure is proposed at 15 Ma, because by this time the alignment of the blocks leaves no space for trans-isthmian marine passages. We propose that the Indonesian Australian Archipelago (IAA) provides a model for the Central American arc between 15 and 3 Ma because it accounts for the extensive marine interchange between the Pacific and Indian oceans through few and narrow passages while maintaining a complete separation of the terrestrial faunas (Wallace and Lydekker lines) of the two continental platforms of Sunda and Sahul. Using the Indonesian Volcanic arc as a model, we can now accommodate the general tectonic configuration and much of the emergence of the new model, while accounting for the marine fossil record, the molecular evidence of rapid recent speciation, and the delayed Great American Biotic Interchange that the New Model fails to explain.

  4. Analisis cinematico y deformativo de los Metagabros del Rio Olivares sector NNW de Manizales

    National Research Council Canada - National Science Library

    Hincapie Jaramillo, Gustavo; Toro Toro, Luz Mary; Ossa Meza, Cesar Augusto

    2010-01-01

    ... una serie de zonas de deformacion tanto ductiles como fragiles, que poseen diferencias en los mecanismos de deformacion operantes a nivel microscopico. [FIGURA 1 OMITIR] MARCO GEOLOGICO REGIONAL Los Metagabros del Rio Olivares fueron definidos por Toro et al. (2010 en esta edicion), como una nueva unidad en las margenes de dicho rio. Estas rocas present...

  5. Diferencias en el perfil enzimático muscular y respuesta metabólica a la lidia en toros de uno a tres años de edad Differences in muscle enzyme profile and metabolic response to fighting in bulls from one to three years old

    OpenAIRE

    2007-01-01

    La respuesta metabólica al ejercicio depende parcialmente del perfil enzimático muscular y ambos factores pueden verse modificados por la edad. Los objetivos de esta investigación son: 1) Analizar las diferencias en las características musculares de toros de lidia de diferente edad y 2) Valorar si el perfil enzimático muscular se modifica con la edad de forma similar a la descrita en otras razas bovinas. Se extrajeron biopsias inmediatamente tras la lidia -de los músculos glúteo medio y semit...

  6. Award for Distinguished Senior Career Contributions to Psychology in the Public Interest: José Toro-Alfonso.

    Science.gov (United States)

    2016-11-01

    The APA Awards for Distinguished Contributions to Psychology in the Public Interest recognize persons who have advanced psychology as a science and/or profession by a single extraordinary achievement or a lifetime of outstanding contributions in the public interest. The 2016 corecipient of the Award for Distinguished Senior Career Contributions to Psychology in the Public Interest is José Toro-Alfonso, who was posthumously given this award for his commitment to "issues of inequity, diversity, and to the alleviation of human suffering particularly among Latino/Latina and LGBTQ communities." He "pioneered HIV/AIDS-related services for youth, women, gay, and transgender populations," and Toro-Alfonso's award citation, biography, and a selected bibliography are presented here. (PsycINFO Database Record

  7. Bacillus spp as a biological control agent against panama disease in banana

    CSIR Research Space (South Africa)

    Gumede, WHN

    2006-02-01

    Full Text Available The decreased productivity levels in crop production as a consequence of disease infection have been a great concern amongst agricultural communities. A similar threat is facing the banana-cultivating community due to Panama disease. Panama disease...

  8. A biotechnological product and its potential as a new immunomodulator for treatment of animal phlebovirus infection: Punta Toro virus.

    Science.gov (United States)

    Durán, Nelson; Gowen, Brian B; Costa, Fabio T M; Justo, Giselle Z; Brocchi, Marcelo; Nunes, Odilon S; Nunes, Iseu S

    2009-08-01

    Intracellular pathogens with widespread drug-resistance contribute substantially to the increasing rates in morbidity and mortality due to emerging and reemerging diseases. Thus, the development of new drugs, including those that can enhance the immune response, is urgently needed. The immunomodulator, P-MAPA, a proteinaceous aggregate of ammonium and magnesium phospholinoleate-palmitoleate anhydride derived from Aspergillus oryzae, have been shown to induce antitumor activities. The ability of this compound to elicit protective immunity against viral infections has not been fully explored. Here, we report findings on the use of P-MAPA as an antiviral agent in a mouse model of acute phleboviral (Punta Toro virus) disease. A dose administered i.p. 24h post-infectious challenge (100mg/kg dose of P-MAPA) was remarkably effective at preventing death due to Punta Toro virus infection. This dose also reduced systemic viral burden and liver discoloration assayed on day 3 of infection. Taken together, our findings indicate that non-specific immunotherapy with P-MAPA appears to be an effective treatment for blocking Punta Toro virus-induced disease and suggest that further exploration with other viral disease models is warranted.

  9. 77 FR 68699 - Defense Federal Acquisition Regulation Supplement: New Free Trade Agreement-Panama (DFARS Case...

    Science.gov (United States)

    2012-11-16

    ... Federal Acquisition Regulation Supplement: New Free Trade Agreement--Panama (DFARS Case 2012-D044) AGENCY... implement the United States-Panama Trade Promotion Agreement. This Trade Promotion Agreement is a free trade... Panama Free Trade Agreement (FTA). The FTA provides for-- Waiver of the applicability of the Buy American...

  10. 77 FR 69723 - Federal Acquisition Regulation; Free Trade Agreement-Panama

    Science.gov (United States)

    2012-11-20

    ... Regulation; Free Trade Agreement--Panama AGENCIES: Department of Defense (DoD), General Services... implement the United States-- Panama Trade Promotion Agreement. This Trade Promotion Agreement is a free... Promotion Agreement is designated in the FAR as the Panama Free Trade Agreement (FTA). This FTA provides for...

  11. 78 FR 37695 - Federal Acquisition Regulation; Free Trade Agreement (FTA)-Panama

    Science.gov (United States)

    2013-06-21

    ... 9000-AM43 Federal Acquisition Regulation; Free Trade Agreement (FTA)-Panama AGENCY: Department of... Promotion Agreement. This Trade Promotion Agreement is a free trade agreement that provides for mutually non... Panama to the definition of ``Free Trade Agreement country'' in multiple locations in the FAR. The Panama...

  12. PANAMÁ 2009: ELECCIONES, CRISIS MUNDIAL Y MOVIMIENTOS SOCIALES Panama 2009: Elections, Global Crisis and Social Movements

    Directory of Open Access Journals (Sweden)

    MARCO A GANDÁSEGUI

    2010-01-01

    Full Text Available En 2009 Panamá se enfrentó a la crisis económica mundial y, a pesar de ella, continuó ejecutando las obras de ampliación del Canal de Panamá que representa una inversión total de US$ 5.250 millones. La crisis logró abollar el crecimiento económico. Al mismo tiempo los indicadores sociales desmejoraron. A la vez, las políticas públicas continuaron generando más protestas sociales y una tasa de criminalidad ascendente. Se eligió un nuevo Presidente de la República, quien cuestionó con éxito la estructura política tradicional bipartidista. El Presidente Martinelli inició su gestión anunciando la habilitación de 11 bases aeronavales con el fin de "combatir el narcotráfico". La falta de experiencia y cultura política del equipo del Presidente Martinelli pueden ser señales de un debilitamiento de las instituciones democráticas.In 2009, Panama had to deal with the global economic recession and, at the same time, continue widening the Panamá Canal at a cost of US$ 5.25 billion. The Global recession was able to slow down Panama's economic growth. Meanwhile public policies spurred popular protests and a growing crime rate. Panamá elected a new President in 2009 who was able to bring down with success what seemed to be shaping up to be a two-party political structure. On the international front, President Martinelli inaugurated his mandate setting-up 11 air and naval bases to "combat drug trafficking." President Martinelli's administration lack of political culture and experience can be signs of a weakening of democratic institutions.

  13. Something unique: The Museum for Biodiversity in Panama City

    Directory of Open Access Journals (Sweden)

    Valeria Guzmán Verri

    2015-12-01

    Full Text Available The new Museum for Biodiversity in Panama City is our starting point to interrogate contemporary forms of articulation between the natural sciences, architecture, and the city. This article aims to analyze the project as a set of three powers: Gehry Partners’ architecture, Bruce Mau Design Office’s environmental graphics, and the Smithsonian Institute for Tropical Research’s scientific content in conjunction with the University of Panama. It also hopes to demonstrate part of Central America’s strategy, which is to singularize the local in the global.

  14. 76 FR 52544 - Importation of Peppers From Panama

    Science.gov (United States)

    2011-08-23

    ..., we published in the Federal Register (75 FR 30303- 30305, Docket No. APHIS-2010-0002) a proposal \\1... Animal and Plant Health Inspection Service 7 CFR Part 319 RIN 0579-AD16 Importation of Peppers From... peppers from Panama into the United States without treatment. Conditions of entry to which the...

  15. Panama: Political and Economic Conditions and U.S. Relations

    Science.gov (United States)

    2011-04-22

    Latin America, March 29, 2010. 24 U.N. Development Program, Informe Sobre Desarrollo Humano Para América Central 2009-2010: Abrir Espacios a la...Seguridad Ciudadana y el Desarrollo Humano , October 2009. 25 “Panama: Drug-Fueled Violence on the Increase,” Noticen, Central American & Caribbean

  16. Wild carnivores (Mammalia) as hosts for ticks (Ixodida) in Panama

    NARCIS (Netherlands)

    Bermudez, S.E.; Esser, H.J.; Miranda, R.; Moreno, R.S.

    2015-01-01

    This study reports ticks collected from wild carnivores from different habitat types in Panama. We examined 94 individual wild carnivores and we found 87 parasitized by ticks: seven coyotes, six crab-eating foxes, 54 coatis, four raccoons, five ocelots, two pumas, two gray foxes, two skunks, and one

  17. Wild carnivores (Mammalia) as hosts for ticks (Ixodida) in Panama

    NARCIS (Netherlands)

    Bermudez, S.E.; Esser, H.J.; Miranda, R.; Moreno, R.S.

    2015-01-01

    This study reports ticks collected from wild carnivores from different habitat types in Panama. We examined 94 individual wild carnivores and we found 87 parasitized by ticks: seven coyotes, six crab-eating foxes, 54 coatis, four raccoons, five ocelots, two pumas, two gray foxes, two skunks, and one

  18. A new species of Anolis lizard (Squamata, Iguania from Panama

    Directory of Open Access Journals (Sweden)

    Steven Poe

    2009-12-01

    Full Text Available A new species of Anolis is described from western Panama and eastern Costa Rica. Populations of the new form were previously allocated to A. chocorum. However, the new species differs from A. chocorum in characters of color pattern, scalation and proportion.

  19. Evidence of Multiple Flank Collapse at Volcan Baru, Panama

    Science.gov (United States)

    Herrick, J. A.; Rose, W. I.

    2009-12-01

    Michigan Tech's Peace Corps Master's International program (PCMI) in Geological Hazards has enabled several long-term investigations of active volcanoes in Latin America. To contribute to volcanic hazard assessments in Panama and achieve the goals defined by the PCMI program, we developed this debris avalanche project to address outstanding questions regarding Volcan Baru's most devastating event - massive slope failure of the western flank. Relying on basic mapping tools as well as the 2007 USGS Open-File Report focusing on hazard assessments of Panama's youngest and potentially active volcano, identification of the debris avalanche deposits (DAD) required detailed field investigations to determine the limits of the units. Extending across an area larger than 600 km2, field strategies were developed based on outcrop exposures within drainages and road-cuts. Aerial photos and DEMs of Baru's nested craters were interpreted by earlier scientists as the remains of two collapsed flanks. The results from in-depth field traverses provide several important discoveries: paleosols and sharp contacts within the stratigraphy indicate multiple DAD, deeply weathered hummocks red-flag the deposits more than 50-km away from Baru's crater, and high-quality radiocarbon samples (up to 45-cm long fragments of entrained wood) lie in the distal reaches of the debris flow area. During the 2008-2009 field seasons, we received assistance from the University of Panama, Civil Protection, and Panama's National Institute of Geography. Support from local experts and feedback from professional scientists of the Smithsonian Institution and Costa Rica's Institute of Electricity were invaluable. The 2-year investment in volcanic hazard studies has brought together resources from several countries as well as fresh data that will benefit the residents and emergency management officials of Panama. Jigsaw fractured clasts lie within Volcan Baru's debris avalanche deposits more than 28 km south of the

  20. Administración epidural de lidocaína, morfina y detomidina para la resección quirúrgica de un tumor de pene en un toro joven (Epidural administration of lidocaine, morphine and detomidine for surgical removal of a tumour in a young bull penis

    Directory of Open Access Journals (Sweden)

    Castiñeiras Pérez, Eva:

    2007-04-01

    Full Text Available ResumenCon objeto de mejorar la fertilidad en las explotaciones, algunos ganaderos optan por la presencia de un toro para la monta natural. En toros jóvenes es relativamente común la aparición de fibropapilomas en el pene. Esta patología está causada por un adenovirus quepenetra a través de pequeñas heridas, dando lugar a neoplasias en la porción libre del pene. Por lo general, suelen ser de naturaleza benigna y sólo se recomienda su eliminación quirúrgica cuando dificultan la monta.1 Aunque, en los animales de producciónnunca se ha tenido muy en cuenta la analgesia intra y postoperatoria, estudios recientes muestran que el control del dolor permite una más rápida y mejor recuperación. La anestesia epidural se ha convertidoen una técnica muy utilizada para el control del dolor en diversas especies domésticas. La administración epidural de lidocaína 2% (0,2 mg/kg, morfina 2% (0,3 mg/kg y detomidina 1% (30 µg/kg en un volumen total de 14 ml, proporciona en el ganado vacuno unabuena anestesia y analgesia en ambas fosas paralumbares, abdomen,extremidades posteriores, ubre, ano, periné, vulva y vagina durante más de 100 minutos. El animal permanece de pie con mínimos efectoscardiorrespiratorios.2 La aplicación epidural antes descrita permite la exploración del aparato reproductor del animal y proporcionaanestesia y analgesia para la eliminación del tumor en el pene. Al permanecer de pie, se evitan toda una serie de problemas asociados al decúbito en el bovino (timpanismo, daños musculares y nervioso, etc..

  1. Historical biogeography of the Isthmus of Panama.

    Science.gov (United States)

    Leigh, Egbert G; O'Dea, Aaron; Vermeij, Geerat J

    2014-02-01

    About 3 million years ago (Ma), the Isthmus of Panama joined the Americas, forming a land bridge over which inhabitants of each America invaded the other-the Great American Biotic Interchange. These invasions transformed land ecosystems in South and Middle America. Humans invading from Asia over 12000 years ago killed most mammals over 44 kg, again transforming tropical American ecosystems. As a sea barrier, the isthmus induced divergent environmental change off its two coasts-creating contrasting ecosystems through differential extinction and diversification. Approximately 65 Ma invading marsupials and ungulates of North American ancestry, and xenarthrans of uncertain provenance replaced nearly all South America's non-volant mammals. There is no geological evidence for a land bridge at that time. Together with rodents and primates crossing from Africa 42 to 30 Ma, South America's mammals evolved in isolation until the interchange's first heralds less than 10 Ma. Its carnivores were ineffective marsupials. Meanwhile, North America was invaded by more competitive Eurasian mammals. The Americas had comparable expanses of tropical forest 55 Ma; later, climate change confined North American tropical forest to a far smaller area. When the isthmus formed, North American carnivores replaced their marsupial counterparts. Although invaders crossed in both directions, North American mammals spread widely, diversified greatly, and steadily replaced South American open-country counterparts, unused to effective predators. Invading South American mammals were less successful. South America's birds, bats, and smaller rainforest mammals, equally isolated, mostly survived invasion. Its vegetation, enriched by many overseas invaders, remained intact. This vegetation resists herbivory effectively. When climate permitted, South America's rainforest, with its bats, birds and mammals, spread to Mexico. Present-day tropical American vegetation is largely zoned by trade

  2. 77 FR 71778 - U.S. Infrastructure Trade Mission to Colombia and Panama; Bogotá, Columbia and Panama City...

    Science.gov (United States)

    2012-12-04

    ... airport modernization, sea and river port developments, and rail line upgrades. In addition, most major... and/or site visits. Panama and Bogota, Colombia. Travel to Bogota in late afternoon/early evening. Wednesday, May 15, 2013, Bogota, Market Briefing. Colombia. Matchmaking appointments. Networking...

  3. Inequality and megaprojects: The Panama Canal expansion

    OpenAIRE

    2006-01-01

    Cuando el control y gestión del Canal de Panamá pasó al estado panameño a finales de 1999, el gobierno comenzó a preparar un plan para su modernización. Este plan incluía la construcción de nuevas esclusas para que pudieran atravesarlo un mayor número de barcos y que admitiese los nuevos buques Post-Panamax de gran tamaño. El proyecto de Ampliación del Canal se ha seleccionado como ejemplo paradigmático de grandes Obras Públicas (GOP) por su impacto ambiental, económico y social. Este caso de...

  4. The Calama-Olacapato-El Toro fault system in the Puna Plateau, Central Andes: Geodynamic implications and stratovolcanoes emplacement

    Science.gov (United States)

    Norini, Gianluca; Baez, Walter; Becchio, Raul; Viramonte, Jose; Giordano, Guido; Arnosio, Marcelo; Pinton, Annamaria; Groppelli, Gianluca

    2013-11-01

    The structural evolution of the Puna Plateau is characterized by the activity of both orogen-parallel and orogen-oblique faults. Understanding the possible relationship between these two structural styles, their geodynamic implications and the influence on the migration of magmas is important to get insights into the tectonic and magmatic evolution of the Central Andes. In this study, we present a structural analysis of the orogen-oblique Calama-Olacapato-El Toro fault system and the surrounding orogen-parallel thrust faults in the central-eastern Puna Plateau. Morphostructural analysis and field mapping reveal the geometry, kinematics and dynamics of the tectonic features in the studied area. We propose a three-dimensional geometrical reconstruction of the main fault planes showing their attitude and intersections at depth. The study indicates that the crust underwent simultaneous deformation along both the vertical transcurrent Calama-Olacapato-El Toro fault system and the low-angle thrust faults, and that the back-arc portion of the Calama-Olacapato-El Toro fault system developed as a transfer zone among the main N-striking thrusts. Our model considers that both orogen-parallel and orogen-oblique fault systems should be regarded as parts of the same tectonic system, accommodating crustal shortening of a thickened crust. The study suggests that the tectonic control on the magma and fluid circulation in the crust is mainly related to the geometry of the fault planes and the orientation of the stress field, with a previously unrecognized important role played by the orogen-parallel thrust faults on the emplacement of the stratovolcanoes.

  5. A new species of Nyanzachoerus (Cetartiodactyla: Suidae from the late Miocene Toros-Menalla, Chad, central Africa.

    Directory of Open Access Journals (Sweden)

    Jean-Renaud Boisserie

    Full Text Available During the latest Miocene and the early Pliocene, tetraconodontine suids were the most predominant large omnivorous mammals in Africa. Yet, new species were often identified on the grounds of limited evidence, a situation impacting their value for biochronological correlations as well as for environmental and biogeographical reconstructions. The description of the most abundant known collection of craniodental remains attributed to the tetraconodontine Nyanzachoerus helps to improve this situation. These specimens were collected in the upper Miocene deposits at Toros-Ménalla, northern Chad, central Africa, by the Mission Paléoanthropologique Franco-Tchadienne. We compared them with Nyanzachoerus from eastern and southern Africa, using extant species as a reference for patterns of morphological variation. Thanks to a large sample of observations, our work focused as much on craniomandibular morphology as on dental morphology and metrics (improved by an index scoring for the complexity of distal third molars and a detailed investigation of premolar-molar ratios. We recognized two taxa at Toros-Ménalla: Nyanzachoerus khinzir nov. sp. and Ny. cf. australis. We also revised the taxonomic status for other species, including: the restriction of Ny. syrticus to its holotype specimen from Sahabi (Libya, the resurrection of the nomen Ny. tulotos, and the synonymy of Ny. kuseralensis with Ny. waylandi. At Toros-Ménalla, Ny. khinzir was the only suid coexisting with the anthracotheriid Libycosaurus and the hominid Sahelanthropus, whereas Ny. cf. australis was associated with a different, probably younger faunal context. Nyanzachoerus. khinzir, which probably had a diversified diet, supports a latest Miocene biogeographical distinction between central Africa and eastern Africa.

  6. [Little epidemic caused by Salmonella panama (author's transl)].

    Science.gov (United States)

    Kienitz, M; Licht, W; Richter, M

    1977-05-01

    Between 8. 1. 1976 and 10. 8. 1976 16 new or premature born children got a gastroenteritis due to salmonella panama. All these children were together in one pediatric ward of the hospital. Most of them came directly for the labour ward or from the newborn-ward. They had antibiotic therapy due to the indication of the mother or the child. It was impossible to fine the source of the salmonella infection, therefore, finally the ward was closed. After radical desinfection new patients came to the ward. Again they were infected with salmonella panama. Now it became clear that contaminated milk (Humanan-Heilnahrung) was the source of infections. Most papers mention a mild benign course of the infections. In contrary we could see severe conditions dependent on the pre-damage of the child or his reduced immunity. The minimal number of germs of dietic food products needs to be examinated.

  7. Adoption of Maize Conservation Tillage in Azuero, Panama

    OpenAIRE

    de Herrera, Adys Pereira; Sain, Gustavo

    1999-01-01

    An aggressive research and validation program launched in 1984 in Azuero, Panama, yielded a recommendation advocating zero tillage for maize production. Ten years later, maize farmers in Azuero used three land preparation methods: conventional tillage, zero tillage, and minimum tillage (an adaptation of the zero tillage technology). This study aimed to quantify the adoption of zero and minimum tillage for maize in Azuero; identify factors influencing adoption of the different land preparation...

  8. Foraging Behavior of Odontomachus bauri on Barro Colorado Island, Panama

    Directory of Open Access Journals (Sweden)

    Birgit Ehmer

    1995-01-01

    Full Text Available Foraging behavior and partitioning of foraging areas of Odonomachus bauri were investigated on Barro Colorado Island in Panama. The activity of the ants did not show any daily pattern; foragers were active day and night. The type of prey captured by O. bauri supports the idea that in higher Odontomachus and Anochetus species, the high speed of mandible closure serves more for generating power than capturing elusive prey. Polydomous nests may enable O. bauri colonies to enlarge their foraging areas.

  9. Aislamiento del virus herpes bovino tipo 1 en bovinos del departamento de Córdoba - Colombia

    OpenAIRE

    Victor Vera A; César Betancur H.

    2008-01-01

    Objetivo. Realizar el aislamiento del virus herpes bovino tipo 1 (BHV-1) en ganado bovino con antecedentes de infertilidad. Materiales y métodos. A partir de 85 animales, provenientes de diferentes áreas rurales del departamento de Córdoba, Colombia, sin antecedentes de vacunación y con titulos neutralizantes contra la enfermedad de la rinotraqueitis bovina infecciosa (IBR) por seroneutralización, se escogieron dos toros y una vaca para hacer aislamiento de HVB-1. Los animales fueron inmun...

  10. Panama Canal Zone. Cerro Tigre, Fort Gulick, Gamboa Met Van No. 1.

    Science.gov (United States)

    The report contains the following meteorological data collected at sites within Fort Gulick and Cerro Tigre , Panama during December 1970: Atmospheric precipitation; Atmospheric temperature; Wind; Atmospheric pressure.

  11. Evidence for selection on coloration in a Panamanian poison frog : a coalescent-based approach

    NARCIS (Netherlands)

    Brown, Jason L.; Maan, Martine E.; Cummings, Molly E.; Summers, Kyle

    2010-01-01

    Aim The strawberry poison frog, Oophaga pumilio, has undergone a remarkable radiation of colour morphs in the Bocas del Toro archipelago in Panama. This species shows extreme variation in colour and pattern between populations that have been geographically isolated for <10,000 years. While previous

  12. AISLAMIENTO DEL VIRUS HERPES BOVINO TIPO 1 EN BOVINOS DEL DEPARTAMENTO DE CÓRDOBA - COLOMBIA

    Directory of Open Access Journals (Sweden)

    Victor Vera A

    2008-12-01

    Full Text Available Objetivo. Realizar el aislamiento del virus herpes bovino tipo 1 (BHV-1 en ganado bovino con antecedentes de infertilidad. Materiales y métodos. A partir de 85 animales, provenientes de diferentes áreas rurales del departamento de Córdoba, Colombia, sin antecedentes de vacunación y con titulos neutralizantes contra la enfermedad de la rinotraqueitis bovina infecciosa (IBR por seroneutralización, se escogieron dos toros y una vaca para hacer aislamiento de HVB-1. Los animales fueron inmunosuprimidos con Dexametasona, y se obtuvieron muestras con hisopos nasales, oculares y de lavado prepucial en los toros y vaginales en la vaca respectivamente. Resultados. Se observó un efecto citopático a las 3 horas después de la inoculación de las células MDBK con el lavado genital de la vaca y a las 24 horas en los toros, con exposición del efecto en “racimo” a las 48 horas. El aislamiento en ambos tipos de muestras, sugiere que la reactivación viral fue seguida por una fase de viremia y excreción del virus en las secreciones naturales. Conclusiones. El aislamiento del virus HVB-1 en los reproductores aparentemente sanos pero con títulos a la prueba de seroneutralización, establece la presencia de latencia viral en éstos animales, importante factor epidemiológico en la difusión de la enfermedad a nivel de campo. Se deben iniciar los estudios necesarios para establecer el subtipo de virus actuante en el campo, para conocer sus características antigénicas y su correspondencia con las cepas vacunales.

  13. Las corridas de toros en los pueblos mayas orientales. Una aproximación etnográfica Bullfights at Eastern Maya Towns. An Etnographic Approach

    Directory of Open Access Journals (Sweden)

    Andrés Medina Hernández

    2010-01-01

    Full Text Available En este ensayo realizamos una descripción de las corridas de toros en los pueblos mayas del oriente de Yucatán; la intención principal es situar esta expresión festiva en el contexto de los rituales que configuran las fiestas patronales, de tal manera que se destaque un hecho central: la profunda transformación de una fiesta de claros orígenes ibéricos en una manifestación profundamente entramada con una visión del mundo de raíz mesoamericana. Un eje de análisis es el que corresponde a las nociones de sacrificio que articulan los acontecimientos en el coso taurino con los más discretos que suceden en el interior de las casas de los dirigentes de los gremios, donde el sacrificio de puercos y pavos constituye la base de una gastronomía ritual. Otro más es el reconocimiento de referentes simbólicos espaciales y temporales de raíz mesoamericana que subyacen en todo el conjunto ritual que compone estas celebraciones de los mayas peninsulares.In this essay we describe bullfighting among the Maya peoples in eastern Yucatan. The fundamental aim is to situate this festive expression in the context of the rituals that shape the patron feasts, so as to stress a central fact: the transformation of a feast of clear Iberian origin into a manifestation that is deeply intertwined with a world vision of Mesoamerican ancestry. An analytical axis corresponds to the notions of sacrifice that articulate the events inside the bullring with those more discrete, that take place within the homes of the leaders of the guilds. Here, sacrifice of turkeys and pigs constitute the basis of a ritual gastronomy. Another axis is the acknowledgement of symbolic space and time referents of Mesoamerican origin underlying, as a whole, the ritual compound in these peninsular Mayan celebrations.

  14. Herida por asta de toro en el área maxilofacial: revisión de la literatura y presentación de un caso Maxillofacial injury by bull goring: literature review and case report

    Directory of Open Access Journals (Sweden)

    J.L. Crespo Escudero

    2008-10-01

    Full Text Available Introducción. Las heridas por asta de toro son relativamente frecuentes en España y países iberoamericanos, donde los espectáculos con estos animales son habituales. Dichas heridas presentan unas características específicas que las diferencian de cualquier otro tipo de heridas. Material y método. Se presenta el caso de un paciente varón de 18 años, remitido al Hospital 12 de Octubre por el SAMUR tras sufrir una cornada en la región cérvicofacial durante los encierros de San Sebastián de los Reyes en el verano de 2005. El paciente presenta una herida inciso-contusa y anfractuosa desde la región supraclavicular izquierda hasta la comisura labial ipsilateral, con fractura mandibular conminuta a nivel de ángulo izquierdo y cuerpo derecho, fractura dentoalveolar de piezas 1.3 a 2.3, y laceración severa de la musculatura lingual y suelo de boca. Discusión. La mayor parte de los politraumatizados por asta de toro son varones, con una edad media de 30. Las victimas suelen ser participantes espontáneos, aficionados a los eventos taurinos y no toreros profesionales. Si bien las heridas por asta de toro pueden producirse en cualquier parte del cuerpo, la localización más frecuente en todas las series revisadas es el miembro inferior. La región cérvicofacial es una de las menos afectadas en todas las series. Todos los autores coinciden en la baja incidencia de heridas pese a la gran cantidad de aficionados y curiosos atraídos y por esta modalidad de festejos taurinos. Por todas las características particulares del mecanismo de lesión, el tratamiento debe ser urgente y debe realizarse un traslado lo más rápidamente posible a un hospital. Todos los autores están de acuerdo en que inicialmente el paciente con una lesión por asta de toro debe ser considerado un paciente politraumatizado y tratado como tal. Conclusión. Las heridas faciales por asta de toro son una entidad propia que no tienen equivalente con las distintas etiolog

  15. 19 CFR 148.3 - Customs treatment after transiting the Panama Canal.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 2 2010-04-01 2010-04-01 false Customs treatment after transiting the Panama Canal. 148.3 Section 148.3 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND... § 148.3 Customs treatment after transiting the Panama Canal. Passengers' baggage and effects...

  16. A Variationist Account of Voice Onset Time among Bilingual West Indians in Panama

    Science.gov (United States)

    Lamy, Delano Sydney

    2012-01-01

    The present study is concerned with language contact between Creole English and Spanish spoken by bilingual West Indians who live in Panama City, Panama. The goal of this study is to examine the speech patterns of monolinguals of Creole English and Spanish and Spanish-Creole English bilinguals in the local communities of this region, by employing…

  17. Acanthaster: effect on coral reef growth in panama.

    Science.gov (United States)

    Glynn, P W

    1973-05-04

    Analysis of data on coral abundance and growth, and the population size (26 individuals per hectare) and feeding rate of Acanthaster indicates that Pocillopora reefs on the Pacific coast of Panama are undergoing vigorous growth in the presence of this predator. Prediction of the effects of a population increase in Acanthaster to plague proportions (2.5 times that presently observed) suggests that reefs could still maintain a positive growth. However, Acanthaster at ten times the present population density would lead to rapid destruction of reefs. It is argued that coral destruction due to Acanthaster represents only one of several factors affecting coral reef progression.

  18. The Media and Operation Just Cause in Panama

    OpenAIRE

    Wassim Daghrir

    2016-01-01

    At a time when the Cold War was ‘agonizing’ and the ‘new world order’ taking a life of its own, the government of the US found new arguments in favor of its December 1989 invasion of Panama. Like any other military action, operation ‘Just Cause’ was preceded by a well-orchestrated public relations campaign meant to gain the support of the US Congress, press, and public opinion and, thus, to generate a national consensus over the administration’s most crucial decisions. As far as the press of ...

  19. Tuberculosis remains a challenge despite economic growth in Panama.

    Science.gov (United States)

    Tarajia, M; Goodridge, A

    2014-03-01

    Tuberculosis (TB) is a disease associated with inequality, and wise investment of economic resources is considered critical to its control. Panama has recently secured its status as an upper-middle-income country with robust economic growth. However, the prioritisation of resources for TB control remains a major challenge. In this article, we highlight areas that urgently require action to effectively reduce TB burden to minimal levels. Our conclusions suggest the need for fund allocation and a multidisciplinary approach to ensure prompt laboratory diagnosis, treatment assurance and workforce reinforcement, complemented by applied and operational research, development and innovation.

  20. Nutrition, poverty alleviation, and development in Central America and Panama.

    Science.gov (United States)

    Immink, Maarten D C

    2010-03-01

    This paper reviews research with policy relevance for food and nutrition in Central America and similar areas. The research was conducted by the Institute of Nutrition of Central America and Panama (INCAP) during the last three decades of the past millennium (1970-99). Six policy areas were selected for this review: agricultural commercialization and rural development; wage and price policies; human resource development; social safety nets, particularly complementary food programs; multi-sectoral nutrition planning; and food and nutrition monitoring for policy formulation. The contents and major conclusions of the work are described, as well as their public policy implications.

  1. 78 FR 70276 - Trade Mission to Colombia, Peru, Chile, Panama, and Ecuador in Conjunction With Trade Winds-The...

    Science.gov (United States)

    2013-11-25

    ... International Trade Administration Trade Mission to Colombia, Peru, Chile, Panama, and Ecuador in Conjunction..., International Trade Administration is organizing a trade mission to Colombia, Peru, Chile, Panama and Ecuador... from the USFCS, including in Colombia, Peru, Chile, Panama and Ecuador. Each trade mission stop...

  2. 78 FR 15346 - Secretarial Infrastructure Business Development Mission to Brazil, Colombia and Panama; May 12-18...

    Science.gov (United States)

    2013-03-11

    ... Appointments. Amcham or other Luncheon Speech. Panama City, Panama Commercial Opportunity Overview. Panama.... Commercial Setting Brazil The Federative Republic of Brazil is Latin America's biggest economy and is the..., Business development mission Orientation. Brazil. U.S Government Trade Finance Briefing. Brazil...

  3. Venezuelan equine encephalitis in Panama: fatal endemic disease and genetic diversity of etiologic viral strains.

    Directory of Open Access Journals (Sweden)

    Evelia Quiroz

    2009-06-01

    Full Text Available Venezuelan equine encephalitis (VEE is a reemerging, mosquito-borne viral disease of the neotropics that is severely debilitating and sometimes fatal to humans. Periodic epidemics mediated by equine amplification have been recognized since the 1920s, but interepidemic disease is rarely recognized. We report here clinical findings and genetic characterization of 42 cases of endemic VEE detected in Panama from 1961-2004. Recent clusters of cases occurred in Darien (eastern Panama and Panama provinces (central Panama near rainforest and swamp habitats. Patients ranged from 10 months to 48 years of age, and the more severe cases with neurological complications, including one fatal infection, were observed in children. The VEE virus strains isolated from these cases all belonged to an enzootic, subtype ID lineage known to circulate among sylvatic vectors and rodent reservoir hosts in Panama and Peru. These findings underscore endemic VEE as an important but usually neglected arboviral disease of Latin America.

  4. Venezuelan equine encephalitis in Panama: fatal endemic disease and genetic diversity of etiologic viral strains.

    Science.gov (United States)

    Quiroz, Evelia; Aguilar, Patricia V; Cisneros, Julio; Tesh, Robert B; Weaver, Scott C

    2009-06-30

    Venezuelan equine encephalitis (VEE) is a reemerging, mosquito-borne viral disease of the neotropics that is severely debilitating and sometimes fatal to humans. Periodic epidemics mediated by equine amplification have been recognized since the 1920s, but interepidemic disease is rarely recognized. We report here clinical findings and genetic characterization of 42 cases of endemic VEE detected in Panama from 1961-2004. Recent clusters of cases occurred in Darien (eastern Panama) and Panama provinces (central Panama) near rainforest and swamp habitats. Patients ranged from 10 months to 48 years of age, and the more severe cases with neurological complications, including one fatal infection, were observed in children. The VEE virus strains isolated from these cases all belonged to an enzootic, subtype ID lineage known to circulate among sylvatic vectors and rodent reservoir hosts in Panama and Peru. These findings underscore endemic VEE as an important but usually neglected arboviral disease of Latin America.

  5. Geodynamical evolution of Central Andes at 24°S as inferred by magma composition along the Calama-Olacapato-El Toro transversal volcanic belt

    Science.gov (United States)

    Matteini, M.; Mazzuoli, R.; Omarini, R.; Cas, R.; Maas, R.

    2002-11-01

    Miocene to Recent volcanism on the Puna plateau (Central Andes) developed in three geological settings: (a) volcanic arc in the Western Cordillera (Miocene-Recent); (b) trans-arc along the main NW-SE transverse fault systems (Miocene); and (c) back-arc, mainly monogenic volcanic centres (Pliocene-Quaternary). We have studied the evolution of the arc-trans-arc volcanism along one of the most extensive transverse structures of Central Andes, the Calama-Olacapato-El Toro, at 24°S. Compositional variations from arc to trans-arc volcanism provide insights into petrogenesis and magma source regions. Puntas Negras and Rincon volcanic centres are arc-type and have typical calc-alkaline geochemical and Sr-Nd-Pb isotopic characteristics. East of the arc, lavas of the Tul-Tul, Del Medio and Pocitos complexes (TUMEPO) are heavy rare earth element-depleted and could be derived from 20-30% of partial melting of a lower crustal garnet-bearing metabasite. These liquids could be variably mixed with arc magmas at the base of the crust (MASH). This suggests important contributions from lower crustal sources to TUMEPO centres. Products at the Quevar and Aguas Calientes volcanic complexes to the east of TUMEPO show a prominent upper crustal signature (high 86Sr/ 87Sr, low 143Nd/ 144Nd) and could represent mixtures of 20-30% TUMEPO-type liquids with up to 70-80% of upper crustal melts. We propose a geodynamic model to explain geochemical variations for the arc-trans-arc transverse volcanism from the Upper Miocene to Recent. In our model, arc volcanism is linked to dehydration of the subducting Nazca plate, which produces typical calc-alkaline compositions. During the Upper Miocene (10-5 Ma), lithospheric evolution in the Puna plateau was dominated by thickening of ductile lower crust and thinning of the lithosphere. Lower crustal melting was promoted by concomitant asthenospheric upwelling and water release from the amphibolite-eclogite transformation, yielding TUMEPO magmas with lower

  6. El mundo del libro: septiembre y octubre de 1979

    Directory of Open Access Journals (Sweden)

    Agustín Rodríguez Garavito

    1979-10-01

    Full Text Available Se presenta en el documento los siguientes títulos de reseñas: -Odysscus Elytis, el poeta del Nobel -La poesía de Dora Castellanos -Tema: El mito de la raza -Alejo Carpentier, El arpa y la sombra-Novela -Óscar Echeverri Mejía, El toro celtibero -La venus del espejo -Morris West, Prometeo-Una novela denuncia -Álvaro Eslava Ayala, Un alto en el camino. Poema- Impreso en Lito-Prag.

  7. Saltos del toro y carreras rituales. Deporte femenino y religión en la Antigua Grecia

    Directory of Open Access Journals (Sweden)

    Fernando García Romero

    2015-10-01

    Full Text Available La tan repetida afirmación de que en los Juegos Olímpicos antiguos las mujeres no participaban requiere ciertos matices. En estas páginas se estudian las razones por las que el deporte femenino en la antigua Grecia y sus competiciones se mantuvieron siempre muy estrechamente ligadas al contexto cultual y religioso en el que se celebraban. Sin embargo, en época imperial romana, algunos testimonios han hecho que diversos estudiosos se hayan planteado la posibilidad de que hubiera podido desprenderse de alguna manera de su estrechísima vinculación con los rituales iniciáticos y prematrimoniales, y haber tenido cabida incluso en las grandes competiciones deportivas, quizá ya más como espectáculo que como acto de culto.

  8. Challenging the Objectivist Paradigm: Teaching Biblical Theology with J. R. R. Tolkien, C. S. Lewis, and Guillermo del Toro

    Science.gov (United States)

    Lief, Jason

    2009-01-01

    The dissimilarity that exists between the historical and cultural situation of North American college students and the world described by the biblical authors poses a problem for theological and religious education. While the biblical authors tell fantastic stories of miracle and magic, the scientific and technological paradigm prevalent in…

  9. Saltos del toro y carreras rituales. Deporte femenino y religión en la Antigua Grecia

    OpenAIRE

    2015-01-01

    La tan repetida afirmación de que en los Juegos Olímpicos antiguos las mujeres no participaban requiere ciertos matices. En estas páginas se estudian las razones por las que el deporte femenino en la antigua Grecia y sus competiciones se mantuvieron siempre muy estrechamente ligadas al contexto cultual y religioso en el que se celebraban. Sin embargo, en época imperial romana, algunos testimonios han hecho que diversos estudiosos se hayan planteado la posibilidad de que hubiera podido despren...

  10. Panamá: paraíso imperfecto Panama: Imperfect Paradise

    Directory of Open Access Journals (Sweden)

    CLARA INÉS LUNA

    2009-01-01

    Full Text Available El 2008 estuvo marcado por la continuación de un proceso electoral interno en los partidos políticos, que se prolongó largamente y que se libró sin cuartel, presagiando el tono de los comicios generales de mayo de 2009. También ha sido un año especial por la inusual inflación que movilizó a importantes sectores para exigir mejoras salariales, más subsidios e, incluso, control de precios. No obstante, el país siguió creciendo a tasas muy por encima del promedio latinoamericano y registró una importante caída en la pobreza y la indigencia. Desde afuera Panamá puede parecer un paraíso, pero su evidente imperfección corre el riesgo de profundizarse.2008 was marked by the continuation of an internal election process within political parties, which lasted long and was fought without quarter, presaging the tone of the general elections of May 2009. It has also been a special year because an unusual inflation that mobilized union members, medical associations, carriers, educators and retirees, demanding better incomes, more benefits and even price controls, to the central government. However, the country continued to grow at rates well above the average for Latin America and recorded a significant decline in poverty and indigence. Panama from the outside may seem like a paradise, but its obvious imperfection risk further.

  11. Long-Period Cultural Noise: The Panama Canal Seiche

    Science.gov (United States)

    McNamara, D. E.; Hutt, C. R.; Ringler, A.; Gee, L. S.

    2009-12-01

    Traditionally, the spectral composition of human generated or “cultural” seismic noise is dominated by short-period (SP) energy (Canal. The LP seismic energy has a strong diurnal signal, with highest power during the daytime when traffic through the Panama Canal is the heaviest, ~1 ship every 10 minutes. The lowest power occurs during the late-night/early-morning hours, when container ship traffic slows to ~1 ship every hour. Spectral power observations are corroborated with data recorded by a water-level meter located approximately 80m from the seismic station, indicating that water waves are the primary source of the LP seismic signal. We show that the observed water waves are a “seiche” induced by the wakes of container ship traffic in the canal. As passing ships disturb the water surface, standing waves are induced by the summation of propagating waves, traveling in opposite directions, due to reflections off the opposite shorelines of the Panama Canal. Vertical harmonic motion results as gravity seeks to restore the horizontal surface of the body of water to a state of hydrostatic equilibrium. The longest natural-period of a seiche in an enclosed body of water is a function of basin depth and length and can be computed by a common oceanographic relationship, known as the Merian formula. For a reasonable range of Panama Canal dimensions in the vicinity of BCI, (depths from 15 to 30m and lengths from 700 to 1500m), the predicted dominant period of a seiche is between 100-200s, consistent with our seismic spectral power observations. Small rhythmic seiches are always present in disturbed enclosed bodies of water and are most often caused by either meteorological effects (wind and atmospheric pressure variations), and/or seismic activity (earthquakes, tsunamis). Historical accounts of anomalously large seiches in enclosed bodies of water such as harbors (Galveston, TX), lakes (Great Lakes, Lake Baikal), and inland seas (Adriatic Sea, Baltic Sea, North Sea

  12. Richness and composition of gall-inducing arthropods at Coiba National Park, Panama

    Directory of Open Access Journals (Sweden)

    José Luis Nieves-Aldrey

    2008-09-01

    Full Text Available Interest in studying galls and their arthropods inducers has been growing rapidly in the last two decades. However, the Neotropical region is probably the least studied region for gall-inducing arthropods. A study of the richness and composition of gall-inducing arthropods was carried out at Coiba National Park in the Republic of Panama. Field data come from samples obtained between August 1997 and September 1999, with three (two-week long more intensive samplings. Seventeen sites, representing the main land habitats of Coiba National Park were surveyed. 4942 galls of 50 insect and 9 mite species inducing galls on 50 vascular plants from 30 botanical families were colleted. 62.7% of the galls were induced by gall midges (Diptera, Cecidomyiidae, 15.3% by mites, Eriophyidae, 8.5% by Homoptera, Psyllidae, 6.8% by Coccidae and 5.1% by Phlaeothripidae (Tysanoptera. The host plant families with the most galls were Myrtaceae with seven, Bignoniaceae with five and Euphorbiaceae, Fabaceae and Melastomataceae with four. Leaf galls accounted for about 93% of collected galls. Most leaf galls were pit/blister galls followed by covering and pouch galls. Gall richness per collecting site was between 1 and 19 species. Coiba’s gall diversity is discussed in relation to data available from other tropical sites from continental Panama and the Neotropical region. Our results support the idea that it may be premature to conclude that species richness of gall inducers declines near the equator. Rev. Biol. Trop. 56 (3: 1269-1286. Epub 2008 September 30.El interés por el estudio de las agallas y los artrópodos que las inducen ha crecido en todo el mundo en los últimos veinte años. Sin embargo, los artrópodos que inducen agallas en la región Neotropical son probablemente los menos estudiados. Un estudio de la riqueza y composición de artrópodos que inducen agallas fue desarrollado en el Parque Nacional Coiba en la Republica de Panamá. Los datos provienen de

  13. WATER, DEVELOPMENT AND CONFLICT IN THE PLAN PUEBLA PANAMA

    Directory of Open Access Journals (Sweden)

    Julia Isabel Martínez Fuentes

    2011-01-01

    Full Text Available This article discusses the negative factors of development in the region where was placed the precedent Puebla Panama Plan (PPP, in particular issues around the geostrategic factor of water, as an important part of the current Project of Integration and Development of Mesoamerica in connection with the Sistema de Interconexión Eléctrica de los Países de América Central (SIEPAC, hydroelectric connection from Central America to Colombia. Currently, the enterprise viability catches tensions between the local and global wills, in the context of the appropriation of natural - resources and the resistance of communities opposite to adverse effects that result of the modification of the environment, in addition to the regional and local dynamics not served in the PPP and in the current PIDM.

  14. Distribution and Persistence of Sterile Screwworms (Diptera: Calliphoridae) Released at the Panama-Colombia Border.

    Science.gov (United States)

    Skoda, Steven R; Phillips, Pamela L; Sagel, Agustin; Chaudhury, Muhammad F

    2017-04-01

    The sterile insect technique is used by the Comisión Panamá - Estados Unidos para la Erradicación y Prevención del Gusano Barrenador del Ganado (COPEG) to maintain a barrier at the border of Panama and Colombia to prevent screwworms, Cochliomyia hominivorax (Coquerel), from South America reinfesting North America. Before studying the distribution and persistence of sterilized, mass-produced screwworms released in the barrier zone, the utility of applying fluorescent dust (∼1.0 mg/fly) to pupae and to newly emerged adults was evaluated to determine the potential effect on fly survival. The flight ability of flies collected from two adult emergence/collection systems (enclosed towers and open chambers) and treated with low (∼0.20 mg/fly) or high (∼1.0 mg/fly) amounts of fluorescent powder was compared. The distribution and persistence of sterile screwworms marked with fluorescent powder (∼0.20 mg/fly), after collection from the same two adult emergence/collection systems, was compared after their release in the barrier zone. The results demonstrated that: 1) fluorescent dust did not negatively affect sterile screwworm longevity or flight ability; 2) no differences were detected between sterile flies collected from the two emergence systems; and 3) sterile screwworms distributed evenly in the barrier zone and persisted for > 6 d. This information was useful in implementing the use of a new sterile fly emergence/collection system and deploying a new strain by COPEG for the barrier zone maintenance program; it will be valuable for evaluating alternative release strategies of sterile screwworms by the eradication and barrier maintenance program. Published by Oxford University Press on behalf of Entomological Society of America 2017. This work is written by US Government employees and is in the public domain in the US.

  15. Smut fungi (Ustilaginomycetes and Microbotryales, Basidiomycota in Panama

    Directory of Open Access Journals (Sweden)

    Meike Piepenbring

    2001-06-01

    Full Text Available This is the first publication dedicated to the diversity of smut fungi in Panama bases on field work, the study of herbarium specimens, and referentes taken from literatura. It includes smuts parasitizing cultivated and wild plants. The latter are mostly found in rural vegetation. Among the 24 species cites here, 14 species are recorded for the first time for Panama. One of them, Sporisorium ovarium, is observes for the first time in Central America. Entyloma spilanthis is found on the host species Acmella papposa var. macrophylla (Asteraceae for the first time. Entyloma costaricense and Entyloma ecuadorense are considered synonyms of Entyloma compositarum and Entyloma spilanthis respectively. For the new conbination Sponsorium panamensis see note at the end of this publication. Descriptions of the species are complemented by some illustrations, a checklist, and a key.Esta es la primera publicación dedicada a la diversidad de carbones en Panamá. Tiene su base en trabajo de campo, estudio de especímenes herborizados y referencias de la literatura. Se incluyen carbones patógenos de plantas cultivadas y silvestres. Las últimas se encontraron sobre todo en zonas rurales. Entre las 24 especies citadas en este estudio, 14 especies son primeros registros para Panamá y una de éstas, Sporisorium ovarium, para América Central. Se encontró Entyloma spilanthis por primera vez en la planta hospedera Acmella papposa var.macrophylla (Asteraceac. Entyloma costaricense y Entyloma ecuadorense son sinónimos de Entyloma compositarum y Entyloma spilanthis respectivamente. "Sphacelotheca" panamensis es una especie dudosa. Se complementan las descripciones de las especies con algunas ilustraciones, una lista de especies y una clave.

  16. Bahia Las Minas, Panama Oil Spill Assessment, 1986-1991 (NODC Accession 9400033)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — In April 1986 a major oil spill from a ruptured storage tank at a local refinery just east of the Caribbean entrance to the Panama Canal polluted an area of coral...

  17. Bahia Las Minas, Panama Oil Spill Assessment 1986-1991, (NODC Accession 9400033)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — In April 1986 a major oil spill from a ruptured storage tank at a local refinery just east of the Caribbean entrance to the Panama Canal polluted an area of coral...

  18. 76 FR 55732 - Public Listening Sessions Regarding the Maritime Administration's Panama Canal Expansion Study...

    Science.gov (United States)

    2011-09-08

    ... Maritime Administration Public Listening Sessions Regarding the Maritime Administration's Panama Canal Expansion Study and the America's Marine Highway Program AGENCY: Maritime Administration, DOT. ACTION: Notice. SUMMARY: The purpose of this notice is to announce a series of public listening sessions...

  19. "AL TORO POR LOS CUERNOS...": CRISIS ES RIESGO Y ES OPORTUNIDAD

    Directory of Open Access Journals (Sweden)

    Alicia Gurdián Fernández

    2010-01-01

    Full Text Available En este artículo argumento que: a el derecho a la educación no se puede negar en tiempos de crisis, puesto que invertir en educación es una llave para romper círculos perversos y abre oportunidades para las personas; b un Estado, que se respete así mismo, no puede cuestionar los derechos de sus ciudadanas y ciudadanos; c ante una crisis, caben dos opciones: atemorizarse ante ella o enfrentarla con coraje para sacar el máximo provecho de las oportunidades que las crisis encierran; d las políticas en materia educativa y social, que se aplican en Costa Rica impulsadas por el Banco Mundial y sus agencias, no son nada ingenuas, todo lo contrario; e la colonialidad del ser emerge de la colonialidad del poder manejada por el Estado, y la colonialidad del saber es liderada por la ciencia moderna. A partir de la argumentación que planteo concluyo afirmando que es urgente iniciar una Revolución Educativa, a partir de un cuestionamiento participativo para generar las bases conceptuales que re-orienten los principios y objetivos de la investigación y de la enseñanza en Costa Rica.

  20. Mangrove forest composition and structure in Las Perlas Archipelago, Pacific Panama

    Directory of Open Access Journals (Sweden)

    Tom McGowan

    2010-09-01

    Full Text Available Mangrove forest is an important ecosystem that provides many services, but in Panama, as in other countries, they are under threat due to a variety of human activities. Nowadays, large areas of mangroves continue to be lost without been described and lack of management strategies. This study focused on the mangrove structure in the two largest islands, Isla del Rey and Isla San Jose, of Las Perlas Archipelago (LPA, Pacific Panama. Assessment of Landsat satellite imagery revealed loss of mangroves in the LPA of 965ha in the period 1974-1986, and 248ha in the period 1986-2000. The majority of the loss (>77% from the two study islands was due to timber extraction and agricultural development. In May 2006, permanent plots following the CARICOMP protocol were established at two sites on Isla del Rey (R1 and R2 and one site on Isla San Jose (SJ where standardized metrics such as species, height and diameter at breast height of adult trees and seedlings were recorded. Forest structure differed at the three sites, although R1 and R2 were most similar. At R1, Laguncularia racemosa was the important species and R2 was dominated by Pelliciera rhizophorae. Examination of the forest structure and classified imagery indicated that these sites are spatially dynamic and appear to be rejuvenating. The forest structure would indicate that the sites have been growth-limited previously by human activities and possibly by other factors. SJ was dominated by Rhizophora mangle and appears to have a mature forest with large adult trees and few seedlings. It does not appear to have shown the same extent of spatial regrowth as the other two sites between 1986 and 2000 and is relatively static. The establishment of permanent plots and monitoring will be useful as part of the management plan, as the LPA shows a variety of mangrove structures and could be subject to further coastal development. Rev. Biol. Trop. 58 (3: 857-869. Epub 2010 September 01.Los bosques de manglar

  1. 19 CFR 4.4 - Panama Canal; report of arrival required.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 1 2010-04-01 2010-04-01 false Panama Canal; report of arrival required. 4.4 Section 4.4 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY VESSELS IN FOREIGN AND DOMESTIC TRADES Arrival and Entry of Vessels § 4.4 Panama Canal; report of arrival required. Vessels...

  2. Tectonomagmatic characteristics of the back-arc portion of the Calama-Olacapato-El Toro Fault Zone, Central Andes

    Science.gov (United States)

    Acocella, V.; Gioncada, A.; Omarini, R.; Riller, U.; Mazzuoli, R.; Vezzoli, L.

    2011-06-01

    Post-20 Ma magmatism in the Central Andes is either localized in the magmatic arc or distributed east of it, on the Altiplano-Puna Plateau. Here there is a distinct concentration of magmatic centers on NW-SE trending lineaments, such as the Calama-Olacapato-El Toro (COT), that extends into the Eastern Cordillera to the east of the Puna. Understanding the possible genetic relationship between prominent structures and magmatic centers on these lineaments is important to elucidate the tectonomagmatic evolution of the Central Andes. We investigated the back-arc area of the COT using remote sensing, geological, structural, and petrochemical data. Our study demonstrates that this portion of the COT consists of NW-SE striking faults, formed under overall left-lateral transtension that decreases in activity toward the COT termini. Deformation on the COT occurred during and after activity of prominent N-S striking transpressive fault systems and is coeval with magmatism, which is focused on the central COT. The most evolved magmatic rocks, with an upper crustal imprint, are exposed on the central COT, whereas more primitive, mantle-derived mafic to moderately evolved magmatic rocks, are found toward the COT termini. This points to a genetic relationship between upper crustal deformation and magmatic activity that led to enhanced magma storage in the central COT. COT magmas may result either from slab steepening or episodic delamination of the asthenospheric mantle.

  3. GW150914: First search for the electromagnetic counterpart of a gravitational-wave event by the TOROS collaboration

    CERN Document Server

    Díaz, Mario C; Peñuela, Tania; Macri, Lucas M; Oelkers, Ryan J; Yuan, Wenlong; Lambas, Diego García; Cabral, Juan; Colazo, Carlos; Domínguez, Mariano; Sánchez, Bruno; Gurovich, Sebastián; Lares, Marcelo; Schneiter, Matías; Graña, Darío; Renzi, Victor; Rodriguez, Horacio; Starck, Manuel; Vrech, Rubén; Artola, Rodolfo; Ferreyra, Antonio Chiavassa; Girardini, Carla; Quiñones, Cecilia; Tapia, Luis; Tornatore, Marina; Marshall, Jennifer L; DePoy, Darren L; Branchesi, Marica; Brocato, Enzo; Padilla, Nelson; Pereyra, Nicolás A; Mukherjee, Soma; Benacquista, Matthew; Key, Joey

    2016-01-01

    We present the results of the optical follow-up conducted by the TOROS collaboration of the first gravitational-wave event GW150914. We conducted unfiltered CCD observations (0.35-1 micron) with the 1.5-m telescope at Bosque Alegre starting ~2.5 days after the alarm. Given our limited field of view (~100 square arcmin), we targeted 14 nearby galaxies that were observable from the site and were located within the area of higher localization probability. We analyzed the observations using two independent implementations of difference-imaging algorithms, followed by a Random-Forest-based algorithm to discriminate between real and bogus transients. We did not find any bona fide transient event in the surveyed area down to a 5-sigma limiting magnitude of r=21.7 mag (AB). Our result is consistent with the LIGO detection of a binary black hole merger, for which no electromagnetic counterparts are expected, and with the expected rates of other astrophysical transients.

  4. Juegos con toros: de la dehesa castellana a la cuenca de México

    OpenAIRE

    Galindo Villavicencio, María Xóchitl

    2011-01-01

    [ES] La presente tesis busca la aproximación al mundo taurino popular y a los rituales lúdicos que cada año tienen lugar como parte de los festejos patronales en numerosos pueblos de toda la geografía española. Asimismo, estudia la manera en que la gente que participa en los rituales, emplea y acumula su experiencia en beneficio del mantenimiento de estas actividades. Este estudio se realiza tanto en España como en México. [EN] This thesis seeks to approach the bullfighting popular recreat...

  5. Las concepciones sobre el desarrollo regional en las políticas públicas del sur-sureste mexicano y en los proyectos autogestivos de las comunidades locales: una contrastación a la luz de las inconsistencias del Plan Puebla-Panamá (Conceptions on the regional development in the southern-southeast Mexican public policies and in the self-managed projects of the local communities: a contrasting in view of the weaknesses of the Plan Puebla-Panama

    Directory of Open Access Journals (Sweden)

    Isaac Enríquez Pérez

    2011-12-01

    Full Text Available El presente artículo se orienta a explicar e interpretar el sentido de la acción social ejercida por actores y agentes socioeconómicos y políticos que intervienen en el proceso de planeación, tomando como punto de partida el reconocimiento y comprensión de las concepciones sobre el desarrollo regional esbozadas por ellos en sus comunicados, directrices y documentos estratégicos que emplean para incidir en una macrorregión como el Sur-Sureste mexicano en el marco de lo que se denominó como Plan Puebla-Panamá. Se plantea la tesis de que el desarrollo regional no es un proceso espontáneo, sino que es un proceso dirigido y gestionado mediante políticas públicas en las cuales convergen múltiples actores y agentes que hacen valer sus prioridades e intereses en los procesos de construcción de mercados y redistribución de la riqueza. Se trata pues de interpretar y contrastar la naturaleza, los alcances y limitaciones de las concepciones sobre el desarrollo regional expresadas por los gobiernos locales y las fuerzas sociales opositoras en el contexto de políticas públicas transfronterizas promovidas en espacios de reserva.This paper is oriented to explain and interpret the meanings of social action performed by actors and agents socio-economic and political involved in the process planning, taking as its starting point the recognition and comprehension of conceptions of regional development outlined in their communications, guidelines and strategic documents that they use to impact in a macro-region as the South-Southeast of Mexico under what is termed as the Plan Puebla-Panama. The thesis is that regional development is not a spontaneous process, but a process designed and managed through public policies in which multiple actors and agents converge, who assert their priorities and interests in the process of building markets and redistribution of wealth. The question is to interpret and compare the nature, scope and limitations of the

  6. U.S. - Panama Relations in the 1990’s: Developing a Post-Noriega Strategy

    Science.gov (United States)

    1990-03-08

    Latin America Daily Report, 22 December 1989, p. 28. 22. "Foreign Minister Linares Outlines Foreign Policy," Panama City Circuito RPC Television (Channel...Daily Report 2 May 1989: 20. "Endara Says U.S. Forces To Leave in 1 Month." Panama City Circuito RPC TV (Channel 4) 23 December 1989, reported in FBIS...America Dai Report 12 January 1990: 29. "Foreign Minister Linares Outlines Foreign Policy." Panama City Circuito RPC Television (Channel 4) 25 December

  7. Effects of Cocos Ridge Collision on the Western Caribbean: Is there a Panama Block?

    Science.gov (United States)

    Kobayashi, D.; La Femina, P. C.; Geirsson, H.; Chichaco, E.; Abrego M, A. A.; Fisher, D. M.; Camacho, E. I.

    2011-12-01

    It has been recognized that the subduction and collision of the Cocos Ridge, a 2 km high aseismic ridge standing on >20 km thick oceanic crust of the Cocos plate, drives upper plate deformation in southern Central America. Recent studies of Global Positioning System (GPS) derived horizontal velocities relative to the Caribbean Plate showed a radial pattern centered on the Cocos Ridge axis where Cocos-Caribbean convergence is orthogonal, and margin-parallel velocities to the northwest. Models of the full three-dimensional GPS velocity field and earthquake slip vectors demonstrate low mechanical coupling along the Middle America subduction zone in Nicaragua and El Salvador, and a broad zone of high coupling beneath the Osa Peninsula, where the Cocos Ridge intersects the margin. These results suggest that Cocos Ridge collision may be the main driver for trench-parallel motion of the fore arc to the northwest and for uplift and shortening of the outer fore arc in southern Central America, whereby thickened and hence buoyant Cocos Ridge crust acts as an indenter causing the tectonic escape of the fore arc. These studies, however, were not able to constrain well the pattern of surface deformation east-southeast of the ridge axis due to a lack of GPS stations, and Cocos Ridge collision may be responsible for the kinematics and deformation of the proposed Panama block. Recent reinforcement of the GPS network in southeastern Costa Rica and Panama has increased the spatial and temporal resolution of the network and made it possible to further investigate surface deformation of southern Central America and the Panama block. We present a new regional surface velocity field for Central America from geodetic GPS data collected at 11 recently-installed and 178 existing episodic, semi-continuous, and continuous GPS sites in Nicaragua, Costa Rica, and Panama. We investigate the effects of Cocos Ridge collision on the Panama block through kinematic block modeling. Published

  8. Federacion de Universidades Privadas de America Central y Panama: Boletin Estadistico (Federation of Private Universities of Central America and Panama: Statistical Bulletin).

    Science.gov (United States)

    Serrano, Jorge A.

    This statistical bulletin provides details on the universities belonging to the Federation of Private Universities of Central America and Panama (FUPAC): Central American University, Rafael Landivar University, Saint John's College, University of Santa Maria La Antigua, Jose Simeon Canas University, Doctor Mariano Galvez University, and the…

  9. [Syllinae (Syllidae: Polychaeta) of the Parque Nacional de Coiba, Panama].

    Science.gov (United States)

    Capa, M; San Martín, G; López, E

    2001-03-01

    Four expeditions were made to Coiba National Park between 1996 and 1998 to characterize this part of the poorly known Panamian Pacific polychaete fauna. The samples were collected by SCUBA diving, either by removing 4 kg blocks of dead coral (Pocillopora sp.) or scraping off 25 x 25 cm quadrats of Telesto multiflora or algae (Dyctiota cf. flavellata, Padina cf. durvillaei and another currently unidentified species). This paper deals with the Syllinae from hard substrates. Twenty-two species belonging to six genera of the subfamily Syllinae Grube, 1850 (Syllidae: Polychaeta) are reported. A new species, Syllis castroviejoi, is described. Four species are newly reported for the Eastern Pacific: Syllis beneliahuae (Campoy & Alquézar, 1982), S. botosaneanui (Hartmann-Schröder, 1973), S. corallicola Verrill, 1900 and S. garciai (Campoy, 1982), and, likewise, two species are first reports for the Central American Pacific coast: Branchiosyllis pacifica Rioja, 1941 and Syllis truncata Haswell, 1920. Two species, Syllis magna (Westheide, 1974) and S. pigmentata (Chamberlin, 1919), are newly reported for Panama.

  10. Reduced Mtdna Diversity in the Ngobe Amerinds of Panama

    Science.gov (United States)

    Kolman, C. J.; Bermingham, E.; Cooke, R.; Ward, R. H.; Arias, T. D.; Guionneau-Sinclair, F.

    1995-01-01

    Mitochondrial DNA (mtDNA) haplotype diversity was determined for 46 Ngobe Amerinds sampled widely across their geographic range in western Panama. The Ngobe data were compared with mtDNA control region I sequences from two additional Amerind groups located at the northern and southern extremes of Amerind distribution, the Nuu-Chah-Nulth of the Pacific Northwest and the Chilean Mapuche and from one Na-Dene group, the Haida of the Pacific Northwest. The Ngobe exhibit the lowest mtDNA control region sequence diversity yet reported for an Amerind group. Moreover, they carry only two of the four Amerind founding lineages first described by Wallace and coworkers. We posit that the Ngobe passed through a population bottleneck caused by ethnogenesis from a small founding population and/or European conquest and colonization. Dating of the Ngobe population expansion using the HARPENDING et al. approach to the analysis of pairwise genetic differences indicates a Ngobe expansion at roughly 6800 years before present (range: 1850-14,000 years before present), a date more consistent with a bottleneck at Chibcha ethnogenesis than a conquest-based event. PMID:7635293

  11. The Media and Operation Just Cause in Panama

    Directory of Open Access Journals (Sweden)

    Wassim Daghrir

    2016-05-01

    Full Text Available At a time when the Cold War was ‘agonizing’ and the ‘new world order’ taking a life of its own, the government of the US found new arguments in favor of its December 1989 invasion of Panama. Like any other military action, operation ‘Just Cause’ was preceded by a well-orchestrated public relations campaign meant to gain the support of the US Congress, press, and public opinion and, thus, to generate a national consensus over the administration’s most crucial decisions. As far as the press of such a democratic political system is concerned, one would expect it to act independently of the government’s will by putting the official pretexts and objectives for invasion under serious questioning -before accepting or rebutting them- looking for alternative sources of information, and instituting the conditions for a fair debate -by offering the opportunity to several conflicting opinions to argue and debate and then come out with the most convincing conclusions. In order to check if the US mainstream media acted as an independent organ during the Panamanian episode, I will examine their treatment of the official objectives for intervention, their coverage of the military operation, and their assessment of the invasion with regard to international law.

  12. Clonal outbreak of Plasmodium falciparum infection in eastern Panama.

    Science.gov (United States)

    Obaldia, Nicanor; Baro, Nicholas K; Calzada, Jose E; Santamaria, Ana M; Daniels, Rachel; Wong, Wesley; Chang, Hsiao-Han; Hamilton, Elizabeth J; Arevalo-Herrera, Myriam; Herrera, Socrates; Wirth, Dyann F; Hartl, Daniel L; Marti, Matthias; Volkman, Sarah K

    2015-04-01

    Identifying the source of resurgent parasites is paramount to a strategic, successful intervention for malaria elimination. Although the malaria incidence in Panama is low, a recent outbreak resulted in a 6-fold increase in reported cases. We hypothesized that parasites sampled from this epidemic might be related and exhibit a clonal population structure. We tested the genetic relatedness of parasites, using informative single-nucleotide polymorphisms and drug resistance loci. We found that parasites were clustered into 3 clonal subpopulations and were related to parasites from Colombia. Two clusters of Panamanian parasites shared identical drug resistance haplotypes, and all clusters shared a chloroquine-resistance genotype matching the pfcrt haplotype of Colombian origin. Our findings suggest these resurgent parasite populations are highly clonal and that the high clonality likely resulted from epidemic expansion of imported or vestigial cases. Malaria outbreak investigations that use genetic tools can illuminate potential sources of epidemic malaria and guide strategies to prevent further resurgence in areas where malaria has been eliminated.

  13. The geochemical variations of the upper cenozoic volcanism along the Calama Olacapato El Toro transversal fault system in central Andes (˜24°S): petrogenetic and geodynamic implications

    Science.gov (United States)

    Matteini, M.; Mazzuoli, R.; Omarini, R.; Cas, R.; Maas, R.

    2002-02-01

    In this paper, we present new geochemical and Sr-Nd isotopic data for several Upper Miocene volcanic centres aligned along one of the most extensive transcurrent lineament in the Central Andes, the Calama-Olacapato-El Toro (COT). The transversal volcanic belt along COT is constituted by large composite volcanoes and a caldera structure; they are, from NW to SE, Puntas Negras, Rincon, Tul Tul, Del Medio and Pocitos (TUMEPO), Quevar Aguas Calientes and Tastil. In order to compare chemical data from the different centres along the COT transect, differentiation effects were minimised by using data extrapolated at 60% SiO2 with least-square regression method. In the western sector of the COT, the volcanic products of Puntas Negras and Rincon show relatively high K2O and 87Sr/86Sr and low Rb/Cs, Ta/Th, La/Yb, 143Nd/144Nd. To the east, the TUMEPO products have high Sr and 143Nd/144Nd, La/Yb and Ba/Rb and low Y, 87Sr/86Sr. In the easternmost COT sector, Quevar, Aguas Calientes and Tastil volcanic complexes exhibit low La/Yb, high87Sr/Sr86 and low 143Nd/144Nd. On the basis of these data, we propose a petrogenetic and geodynamical model for Central Andes at 24°S. In correspondence of Miocene-Quaternary volcanic arc (Puntas Negras and Rincon), the magmas inherited a calcalkaline signature partly modified by upper crustal and/or sediment assimilation. In the central eastern sector, melting, assimilation, storage and homogenisation (MASH) processes occurred at the base of a thickened crust. In this COT sector, TUMEPO products show an evident lower crust signature and could be considered representative for MASH derived magmas. In the easternmost sector, Quevar, Aguas Calientes and Tastil products could represent magmas generated by partial melting of underthrusted Brasilian shield and mixed with magmas derived by MASH processes.

  14. Toros-Menalla (Chad, 7 Ma), the earliest hominin-bearing area: How many mammal paleocommunities?

    Science.gov (United States)

    Le Fur, Soizic; Fara, Emmanuel; Mackaye, Hassane Taïsso; Vignaud, Patrick; Brunet, Michel

    2014-04-01

    The fossiliferous area of Toros-Menalla (TM) (Djurab Desert, northern Chad) has yielded one of the richest African mammal faunas of the late Miocene. It is also the place where the earliest known hominin, Sahelanthropus tchadensis, was found. Although more than 300 localities are recorded in that area, previous paleoecological studies focused only on the largest and richest one. The integration of the material from other TM localities, and thus of a significant number of mammal taxa, is crucial to improve the corresponding paleoenvironmental reconstructions. Before such inferences can be drawn, it is necessary to test for the ecological integrity of these mammal assemblages: how many paleocommunities do they represent? The faunal structures of several assemblages selected for their apparent resilience to sampling biases are compared here. The criteria used in the inter-assemblage comparison are ecological diversity, taxonomic structure (taxonomic rank of abundance) and taxonomic composition. Based on multivariate analyses, two groups of TM assemblages can be distinguished. One of them contains the hominin-bearing assemblages. It is taxonomically richer and shows a wider ecological spectrum than its counterpart. The degree of taphonomic alteration undergone by the TM assemblages, as well as the distribution of amphibious mammals among them, suggest different depositional settings for these two groups of assemblages, the richest of which was probably associated with lower hydraulic energy. Overall, it seems that the TM assemblages recorded the same mammal paleocommunity preserved in two contrasted depositional settings. Moreover, the spatial overlap of these assemblages provides further evidence for the mosaic character of the landscape associated with S. tchadensis. Copyright © 2014 Elsevier Ltd. All rights reserved.

  15. Las prohibiciones históricas de la fiesta de los toros

    Directory of Open Access Journals (Sweden)

    Sánchez-Ocaña Vara, Álvaro Luis

    2013-10-01

    Full Text Available This article looks at the various bans on bullfighting –which Garcia Lorca described as the world’s most education celebration– that have been imposed in the past. Despite these prohibitions, some of which were more severe than others, bullfighting has always managed to prevail, and this fact needs to be taken into account in today’s difficult times for this tradition. Ortega y Gasset said: “It is impossible to understand the history of Spain properly without first constructing the history of bullfighting.” Therefore, the detailed analysis that follows merely highlights the enormous importance, since time immemorial, this tradition has had for the Spanish people and that, despite the prohibitions, they continued celebrating, because it is so deeply rooted in Spain.En el siguiente artículo trataremos de analizar en el tiempo las diferentes prohibiciones que se han producido a lo largo de la historia contra la que, para García Lorca, es la fiesta más culta del mundo. Prohibiciones de las que, unas más severas que otras, la Fiesta siempre ha logrado salir adelante y las cuales hemos de tenerlas en cuenta en los difíciles tiempos actuales en que esta se encuentra. Lo decía Ortega y Gasset: “No puede comprenderse bien la historia de España sin haber construido la historia de las corridas de toros”. Por tanto, el análisis que a continuación se detalla no hace más que resaltar la enorme importancia que, desde tiempos inmemoriales, esta tradición ha tenido para el pueblo español y, a pesar de las prohibiciones, no consiguieron acabar con su celebración debido a su profundo arraigo en las raíces de España.

  16. Age and geochemistry of host rocks of the Cobre Panama porphyry Cu-Au deposit, central Panama: Implications for the Paleogene evolution of the Panamanian magmatic arc

    Science.gov (United States)

    Baker, Michael J.; Hollings, Peter; Thompson, Jennifer A.; Thompson, Jay M.; Burge, Colin

    2016-04-01

    The Cobre Panama porphyry Cu-Au deposit, located in the Petaquilla district of central Panama, is hosted by a sequence of medium- to high-K calc-alkaline volcanic and sub-volcanic rocks. New crystallisation ages obtained from a granodiorite Petaquilla batholith and associated mineralised diorite to granodiorite porphyry stocks and dikes at Cobre Panama indicate that the batholith was emplaced as a multi-phase intrusion, over a period of ~ 4 million years from 32.20 ± 0.76 Ma to 28.26 ± 0.61 Ma, while the porphyritic rocks were emplaced over a ~ 2 million year period from 28.96 ± 0.62 Ma to 27.48 ± 0.68 Ma. Both the volcanic to sub-volcanic host rocks and intrusive rocks of the Cobre Panama deposit evolved via fractional crystallisation processes, as demonstrated by the major elements (e.g. Al2O3, Fe2O3, TiO2 and MgO) displaying negative trends with increasing SiO2. The Petaquilla intrusive rocks, including the diorite-granodiorite porphyries and granodiorite batholith, are geochemically evolved and appear to have formed from more hydrous magmas than the preceding host volcanic rocks, as evidenced by the presence of hornblende phenocrysts, higher degrees of large-ion lithophile element (LILE) and light rare earth element (LREE) enrichment and heavy rare earth element (HREE) depletion, and higher Sr/Y and La/Yb values. However, the degree of LREE enrichment, HREE depletion and La/Yb values are insufficient for the intrusive rocks to be considered as adakites. Collectively, the volcanic and intrusive rocks have LILE, REE and mobile trace element concentrations similar to enriched Miocene-age Cordilleran arc magmatism found throughout central and western Panama. Both the Petaquilla and Cordilleran arc magmatic suites are geochemically more evolved than the late Cretaceous to Eocene Chagres-Bayano arc magmas from northeastern Panama, as they display higher degrees of LILE and LREE enrichment. The geochemical similarities between the Petaquilla and Cordilleran arc

  17. Bird communities of natural and modified habitats in Panama

    Science.gov (United States)

    Petit, L.J.; Petit, D.R.; Christian, D.G.; Powell, H.D.W.

    1999-01-01

    Only a small proportion of land can realistically be protected as nature reserves and thus conservation efforts also must focus on the ecological value of agroecosystems and developed areas surrounding nature reserves. In this study, avian communities were surveyed in 11 habitat types in central Panama, across a gradient from extensive forest to intensive agricultural land uses, to examine patterns of species richness and abundance and community composition. Wooded habitats, including extensive and fragmented forests, shade coffee plantations, and residential areas supported the most species and individuals. Nearctic-Neotropical migratory species were most numerous in lowland forest fragments, shade coffee, and residential areas. Introduced Pinus caribbea and sugar cane plantations supported the fewest species compared to all other habitats. Cattle pastures left fallow for less than two years supported more than twice as many total species as actively grazed pastures, such that species richness in fallow pastures was similar to that found in wooded habitats. Community similarities were relatively low among all habitat types (none exceeding the observed 65% similarity between extensive and fragmented lowland forests), but communities in shade coffee and residential areas were 43% and 54% similar to lowland forest fragments, respectively. Fallow pastures and residential areas shared 60% of their species. Bird communities in shade coffee and residential areas were characterized by higher proportions of frugivorous and nectarivorous species than in native forests. These same guilds also were better represented in fallow than in grazed pastures. Raptors and piscivorous species were most prevalent in cattle pastures and rice fields. These results, though based upon only species richness and abundance, demonstrate that many human-altered habitats have potential ecological value for birds, and conservation efforts in tropical areas should focus greater attention on

  18. 75 FR 34687 - Notice of Decision to Issue Permits for the Importation of Fresh False Coriander From Panama Into...

    Science.gov (United States)

    2010-06-18

    ... Fresh False Coriander From Panama Into the Continental United States AGENCY: Animal and Plant Health... issuing permits for the importation into the continental United States of fresh false coriander from... noxious weeds via the importation of fresh false coriander from Panama. EFFECTIVE DATE: June 18, 2010....

  19. The Public Good, the Market, and Academic Capitalism: U.S. Cross-Border Higher Education in Panama

    Science.gov (United States)

    Montoto, Lisette

    2013-01-01

    In recent years, U.S. colleges and universities have begun to extend their international presence through different models of cross-border higher education. This research explores three models of U.S. higher education in Panama City, Panama: a branch campus, a franchise model and merger/acquisition models. Using a qualitative approach, this study…

  20. Myiasis by Philornis spp. (Diptera: Muscidae in Dendroica castanea (Aves: Parulidae in Panama Miasis ocasionada por Philornis spp. (Diptera: Muscidae in Dendroica castanea (Aves: Parulidae en Panamá

    Directory of Open Access Journals (Sweden)

    Jorge M. Herrera

    2012-09-01

    Full Text Available We report the parasitism of an unidentified species of Philornis, extracted from a juvenile Dendroica castanea that was collected from Pipeline Road of the Soberania National Park of Panama. This finding is unusual since Philornis spp. parasitizes nested chicks. On the other hand, this is the first time that this parasite is reported in D. castanea.Registramos el parasitismo de una especie no identificada de Philornis extraída de un juvenil de Dendroica castanea, capturada en el Sendero del Oleoducto del Parque Nacional Soberanía. Este hallazgo es inusual ya que Philornis spp. parasita principalmente polluelos en nidos. Del mismo modo, el presente constituye el primer registro del parásito en D. castanea.

  1. Prevalence of HIV, Syphilis, and Other Sexually Transmitted Infections among MSM from Three Cities in Panama

    National Research Council Canada - National Science Library

    Hakre, Shilpa; Arteaga, Griselda B; Núñez, Aurelio E; Arambu, Nelson; Aumakhan, Bulbulgul; Liu, Michelle; Peel, Sheila A; Pascale, Juan M; Scott, Paul T

    2014-01-01

    ... % confidence intervals) were: HIV—David 6.6 % (2.2–11.4 %), Panama 29.4 % (19.7–39.7 %), and Colon 32.6 % (18.0–47.8 %); active syphilis—David 16.0 % (8.9–24.2 %), Panama 24.7 % (16.7–32.9 %), Colon 31.6 % (14.8–47.5 %); resolved HBV infection...

  2. The Cocos Ridge drives collision of Panama with northwestern South America

    Science.gov (United States)

    LaFemina, Peter; Govers, Rob; Mora-Paez, Hector; Geirsson, Halldor; Cmacho, Eduardo

    2015-04-01

    The collision of the Panamanian isthmus with northwestern South America is thought to have initiated as early as Oligocene - Miocene time (23-25 Ma) based on geologic and geophysical data and paleogeographic reconstructions. This collision was driven by eastward-directed subduction beneath northwestern South America. Cocos - Caribbean convergence along the Middle America Trench, and Nazca - Caribbean oblique convergence along the South Panama Deformed Belt have resulted in complex deformation of the southwestern Caribbean since Miocene - Pliocene time. Subduction and collision of the aseismic Cocos Ridge is thought to have initiated volcanism and uplift of the Cordillera de Talamanca; 2) Quaternary migration of the volcanic arc toward the back-arc; 3) Quaternary to present deformation within the Central Costa Rica Deformed Belt; 4) Quaternary to present shortening across the fore-arc Fila Costeña fold and thrust belt and back-arc North Panama Deformed Belt (NPDB); 5) Quaternary to present outer fore-arc uplift of Nicoya Peninsula above the seamount domain, and the Osa and Burica peninsulas above the ridge; and 6) Pleistocene to present northwestward motion of the Central American Fore Arc (CAFA) and northeastward motion of the Panama Region. We investigate the geodynamic effects of Cocos Ridge collision on motion of the Panama Region with a new geodynamic model. The model is compared to a new 1993-2015 GPS-derived three-dimensional velocity field for the western Caribbean and northwestern South America. Specifically, we test the hypotheses that the Cocos Ridge is the main driver for upper plate deformation in the western Caribbean. Our models indicate that Cocos Ridge collision drives northwest-directed motion of the CAFA and the northeast-directed motion of the Panama Region. The Panama Region is driven into the Caribbean across the NPDB and into northwestern South America, which is also converging with the Panama Region, pushing it toward the west

  3. Stress patterns of the Plio-Quaternary brittle deformation along the Calama-Olacapato-El Toro Fault, Central Andes

    Science.gov (United States)

    Lanza, F.; Tibaldi, A.; Waite, G. P.; Corazzato, C.; Bonali, F.; Nardin, A.

    2012-04-01

    Understanding the geometry and kinematics of the major structures of an orogen is essential to elucidate its style of deformation, as well as its tectonic evolution. We describe the temporal and spatial changes in the state of stress of the trans-orogen area of the Calama-Olacapato-El Toro (COT) Fault Zone in the Central Andes, at about 24° S within the northern portion of the Puna Plateau between the Argentina-Chile border. The importance of the COT derives principally from the Quaternary-Holocene activity recognized on some segments, which may shed new light on its possible control on Quaternary volcanism and on the seismic hazard assessment of the area. Field geological surveys along with kinematic analysis and numerical inversion of ~ 280 new fault-slip measurements have revealed that this portion of the COT consists mainly of NW-SE striking faults, which have been reactivated under three different kinematic regimes: 1) a Miocene transpressional phase with the maximum principal stress (σ1) chiefly trending NW-SE; 2) an extensional phase that started by 9 Ma, with a horizontal NW-SE-trending minimum principal stress (σ3) - permutations between σ2 and σ3 axes have been recognized at three sites - and 3) a left-lateral strike-slip phase with an ~ ENE-WSW σ1 and a ~ NNW-SSE σ3 dating to the late Pliocene-Quaternary. Spatially, in the Quaternary, the left-lateral component decreases toward the westernmost tip of the COT, where it transitions to extension; this produced to a N-S horst and graben structure. Hence, even if trascurrence is still active in the eastern portion of the COT, as focal mechanisms of crustal earthquakes indicate, our study demonstrates that extension is becoming the predominant structural style of deformation, at least in the western region. These major temporal and spatial changes in the tectonic regimes are attributed in part to changes in the magnitude of the boundary forces due to subduction processes. The overall perpendicular

  4. Characterization of Rift Valley fever virus MP-12 strain encoding NSs of Punta Toro virus or sandfly fever Sicilian virus.

    Directory of Open Access Journals (Sweden)

    Olga A Lihoradova

    Full Text Available Rift Valley fever virus (RVFV; genus Phlebovirus, family Bunyaviridae is a mosquito-borne zoonotic pathogen which can cause hemorrhagic fever, neurological disorders or blindness in humans, and a high rate of abortion in ruminants. MP-12 strain, a live-attenuated candidate vaccine, is attenuated in the M- and L-segments, but the S-segment retains the virulent phenotype. MP-12 was manufactured as an Investigational New Drug vaccine by using MRC-5 cells and encodes a functional NSs gene, the major virulence factor of RVFV which 1 induces a shutoff of the host transcription, 2 inhibits interferon (IFN-β promoter activation, and 3 promotes the degradation of dsRNA-dependent protein kinase (PKR. MP-12 lacks a marker for differentiation of infected from vaccinated animals (DIVA. Although MP-12 lacking NSs works for DIVA, it does not replicate efficiently in type-I IFN-competent MRC-5 cells, while the use of type-I IFN-incompetent cells may negatively affect its genetic stability. To generate modified MP-12 vaccine candidates encoding a DIVA marker, while still replicating efficiently in MRC-5 cells, we generated recombinant MP-12 encoding Punta Toro virus Adames strain NSs (rMP12-PTNSs or Sandfly fever Sicilian virus NSs (rMP12-SFSNSs in place of MP-12 NSs. We have demonstrated that those recombinant MP-12 viruses inhibit IFN-β mRNA synthesis, yet do not promote the degradation of PKR. The rMP12-PTNSs, but not rMP12-SFSNSs, replicated more efficiently than recombinant MP-12 lacking NSs in MRC-5 cells. Mice vaccinated with rMP12-PTNSs or rMP12-SFSNSs induced neutralizing antibodies at a level equivalent to those vaccinated with MP-12, and were efficiently protected from wild-type RVFV challenge. The rMP12-PTNSs and rMP12-SFSNSs did not induce antibodies cross-reactive to anti-RVFV NSs antibody and are therefore applicable to DIVA. Thus, rMP12-PTNSs is highly efficacious, replicates efficiently in MRC-5 cells, and encodes a DIVA marker, all of which

  5. Iconografía y economía : un ejemplo aplicado a los origenes de la escultura ibérica en el área del Bajo Segura (Alicante

    Directory of Open Access Journals (Sweden)

    Teresa Chapa Brunet

    2005-01-01

    Full Text Available Este trabajo estudia ciertas esculturas ibéricas de piedra representando toros, en el entorno de la desembocadura del río Segura (Alicante. Se considera que estas figuras son las más antiguas manifestaciones de la escultura ibérica de la zona, y se propone su relación con patrones ideológicos de raigambre oriental, relacionados con la presencia fenicia en la zona y las transformnaciones que dan lugar a la cultura ibérica. Se analiza la correspondencia entre los animales elegidos como símbolo religioso y político, y las prácticas economicas de las poblaciones de la zona. Se concluye que los toros se vinculan al dominio y explotación agrícola del territorio más que a una ganadería centrada en el ganado vacuno

  6. Questing Amblyomma mixtum and Haemaphysalis juxtakochi (Acari: Ixodidae) Infected with Candidatus “Rickettsia amblyommii” from the Natural Environment in Panama Canal Basin, Panama

    OpenAIRE

    D., Angélica M. Castro; S., Gleidys G. García; Dzul-Rosado, Karla; Aguilar, Ana; Castillo,Juan; Gabster, Amanda; Trejos, Diomedes; Zavala-Castro, Jorge; Bermúdez C., Sergio E.

    2015-01-01

    This work emphasizes the detection of Candidatus “Rickettsia amblyommii” in questing Haemaphysalis juxtakochi and Amblyomma mixtum. From February 2009 to December 2012, questing ticks were collected from the vegetation and leaf-litter of four protected forests and two grassy areas around the Panama Canal basin. DNA was extracted from Amblyomma mixtum, Amblyomma naponense, Amblyomma oblongoguttatum, Amblyomma pecarium, Amblyomma tapirellum, Haemaphysalis juxtakochi, and unidentified immature A...

  7. Seizing the Lodgment: Forcible Entry Lessons from Panama and the Falklands

    Science.gov (United States)

    2016-05-10

    January 1990, 112-113, 175-176. 86 Robert K. Brown, “U.S. Warriors Topple Panamanian Thugs: “We Came, We Saw, We Kicked Ass” – 82nd Airborne Graffiti ...Saw, We Kicked Ass” – 82nd Airborne Graffiti , Balboa, Panama.” Soldier of Fortune (April 1990): 56­ 60,86. Clapp, Michael and Ewen Southby-Tailyour

  8. Scorpionism in Central America, with special reference to the case of Panama

    Directory of Open Access Journals (Sweden)

    A Borges

    2012-01-01

    Full Text Available Scorpionism in the Americas occurs mainly in Mexico, northern South America and southeast Brazil. This article reviews the local scorpion fauna, available health statistics, and the literature to assess scorpionism in Central America. Notwithstanding its high toxicity in Mexico, most scorpion sting cases in Guatemala, Belize, El Salvador, Nicaragua, and Costa Rica are produced by species in the genus Centruroides that are only mildly toxic to humans despite the existence of ion channel-active toxins in their venoms. Regional morbidity is low with the exception of Panama, where an incidence of 52 cases per 100,000 inhabitants was recorded for 2007, with 28 deaths from 1998 to 2006. Taxa belonging to the genus Tityus (also present in the Atlantic coast of Costa Rica are responsible for fatalities in Panama, with Tityus pachyurus being the most important species medically. Most Tityus species inhabiting Panama are also found in northern South America from which they probably migrated upon closure of the Panamanian isthmus in the Miocene era. Incorporation of Panama as part of the northern South American endemic area of scorpionism is thereby suggested based on the incidence of these accidents and the geographical distribution of Panamanian Tityus species.

  9. Chytridiomycosis and amphibian population declines continue to spread eastward in Panama.

    Science.gov (United States)

    Woodhams, Douglas C; Kilburn, Vanessa L; Reinert, Laura K; Voyles, Jamie; Medina, Daniel; Ibáñez, Roberto; Hyatt, Alex D; Boyle, Donna G; Pask, James D; Green, David M; Rollins-Smith, Louise A

    2008-09-01

    Chytridiomycosis is a globally emerging disease of amphibians and the leading cause of population declines and extirpations at species-diverse montane sites in Central America. We continued long-term monitoring efforts for the presence of the fungal pathogen Batrachochytrium dendrobatidis (Bd) and for amphibian populations at two sites in western Panama, and we began monitoring at three new sites to the east. Population declines associated with chytridiomycosis emergence were detected at Altos de Campana National Park. We also detected Bd in three species east of the Panama Canal at Soberanía National Park, and prevalence data suggests that Bd may be enzootic in the lowlands of the park. However, no infected frogs were found further east at Tortí (prevalence amphibian communities east of the canal are at risk. Precise predictions of future disease emergence events are not possible until factors underlying disease emergence, such as dispersal, are understood. However, if the fungal pathogen spreads in a pattern consistent with previous disease events in Panama, then detection of Bd at Tortí and other areas east of the Panama Canal is imminent. Therefore, development of new management strategies and increased precautions for tourism, recreation, and biology are urgently needed.

  10. 78 FR 16470 - U.S. Infrastructure Trade Mission to Colombia and Panama-Amendment

    Science.gov (United States)

    2013-03-15

    ... media, direct mail, broadcast fax, notices by industry trade associations and other multiplier groups... International Trade Administration U.S. Infrastructure Trade Mission to Colombia and Panama-- Amendment AGENCY: International Trade Administration, Department of Commerce. ACTION: Notice. SUMMARY: The United States...

  11. 78 FR 6810 - U.S. Infrastructure Trade Mission to Colombia and Panama-Amendment

    Science.gov (United States)

    2013-01-31

    ....gov/trademissions --and other Internet Web sites, press releases to general and trade media, direct... International Trade Administration U.S. Infrastructure Trade Mission to Colombia and Panama-- Amendment AGENCY: International Trade Administration, Department of Commerce. ACTION: Notice. SUMMARY: The United States...

  12. 75 FR 9578 - Executive-Led Trade Mission to Colombia and Panama; Change to Mission Dates

    Science.gov (United States)

    2010-03-03

    ....html ) and other Internet Web sites, press releases to general and trade media, broadcast fax, notices... International Trade Administration Executive-Led Trade Mission to Colombia and Panama; Change to Mission Dates AGENCY: International Trade Administration, Department of Commerce. ACTION: Notice. Mission Description...

  13. Manipulating the banana rhizosphere microbiome for biological control of Panama disease.

    Science.gov (United States)

    Xue, Chao; Penton, C Ryan; Shen, Zongzhuan; Zhang, Ruifu; Huang, Qiwei; Li, Rong; Ruan, Yunze; Shen, Qirong

    2015-08-05

    Panama disease caused by Fusarium oxysporum f. sp. cubense infection on banana is devastating banana plantations worldwide. Biological control has been proposed to suppress Panama disease, though the stability and survival of bio-control microorganisms in field setting is largely unknown. In order to develop a bio-control strategy for this disease, 16S rRNA gene sequencing was used to assess the microbial community of a disease-suppressive soil. Bacillus was identified as the dominant bacterial group in the suppressive soil. For this reason, B. amyloliquefaciens NJN-6 isolated from the suppressive soil was selected as a potential bio-control agent. A bioorganic fertilizer (BIO), formulated by combining this isolate with compost, was applied in nursery pots to assess the bio-control of Panama disease. Results showed that BIO significantly decreased disease incidence by 68.5%, resulting in a doubled yield. Moreover, bacterial community structure was significantly correlated to disease incidence and yield and Bacillus colonization was negatively correlated with pathogen abundance and disease incidence, but positively correlated to yield. In total, the application of BIO altered the rhizo-bacterial community by establishing beneficial strains that dominated the microbial community and decreased pathogen colonization in the banana rhizosphere, which plays an important role in the management of Panama disease.

  14. The Fog of Peace: Planning and Executing The Restoration of Panama

    Science.gov (United States)

    1992-04-15

    tank farm near the town of Arraijan on the west bank of the Panama Canal. During the first of these incidents a U.S. Marine was accidentally killed by...supuestas vlnlaclones. 4. Me opondrd a sobornos, exigir coinida, hebida o serviclos sin pagan (1.q 5. Cumnpliri rml trabajo sin amcna/u.ar Intimtidar u

  15. Nuevas edades radimétricas para la Formación Toro Negro en la Sierra de los Colorados, Sierras Pampeanas Noroccidentales, provincia de La Rioja New radiometric ages for the Toro Negro Fromation in the Sierra de los Colorados, northwestern Sierras Pampeanas

    Directory of Open Access Journals (Sweden)

    P.L. Ciccioli

    2005-03-01

    Full Text Available En este trabajo se dan a conocer nuevas edades radimétricas obtenidas por el método K/Ar roca total sobre dos niveles de tobas vítreas de la parte media-superior de la Formación Toro Negro en la sierra de los Colorados, Sierras Pampeanas Noroccidentales (provincia de La Rioja. Las edades 8,6 ± 0,3 Ma y 6,8 ± 0,2 Ma ubican a la Formación Toro Negro en el Mioceno superior modificando así la edad pliocena establecida anteriormente. Los valores obtenidos presentan un alto grado de confiabilidad, dado que se tratan de tobas vítreas las cuales no tienen ningún signo de retransporte, contaminación ni alteración diagenética. Los niveles de tobas han sido mapeados y georeferenciados con coordenadas obtenidas con GPS. Las muestras presentan una precisa ubicación en la columna estratigráfica y se encuentran lo suficientemente próximas de manera de controlar indirectamente los valores obtenidos.New absolute ages derived from whole rock K/Ar dating of two vitric tuffs collected from the upper-middle part of the Toro Negro Formation in the outcrops of the Sierra de Los Colorados, Sierras Pampeanas Noroccidentales (La Rioja Province are presented herein. The obtained values of 8,6 ± 0,3 Ma and 6,8 ± 0,2 Ma respectively, indicate an Upper Miocene age and challenge the previous Pliocene age proposed for this unit. The results presented here have a high degree of confidence because they do not show evidences of reworking, mixing with terrigenous clastics nor diagenetic alteration. The tuff levels were mapped and georeferenced using GPS coordinates and their close location in the stratigraphic column provides an additional control for the obtained ages.

  16. Trend Analysis of Cancer Mortality and Incidence in Panama, Using Joinpoint Regression Analysis

    Science.gov (United States)

    Politis, Michael; Higuera, Gladys; Chang, Lissette Raquel; Gomez, Beatriz; Bares, Juan; Motta, Jorge

    2015-01-01

    Abstract Cancer is one of the leading causes of death worldwide and its incidence is expected to increase in the future. In Panama, cancer is also one of the leading causes of death. In 1964, a nationwide cancer registry was started and it was restructured and improved in 2012. The aim of this study is to utilize Joinpoint regression analysis to study the trends of the incidence and mortality of cancer in Panama in the last decade. Cancer mortality was estimated from the Panamanian National Institute of Census and Statistics Registry for the period 2001 to 2011. Cancer incidence was estimated from the Panamanian National Cancer Registry for the period 2000 to 2009. The Joinpoint Regression Analysis program, version 4.0.4, was used to calculate trends by age-adjusted incidence and mortality rates for selected cancers. Overall, the trend of age-adjusted cancer mortality in Panama has declined over the last 10 years (−1.12% per year). The cancers for which there was a significant increase in the trend of mortality were female breast cancer and ovarian cancer; while the highest increases in incidence were shown for breast cancer, liver cancer, and prostate cancer. Significant decrease in the trend of mortality was evidenced for the following: prostate cancer, lung and bronchus cancer, and cervical cancer; with respect to incidence, only oral and pharynx cancer in both sexes had a significant decrease. Some cancers showed no significant trends in incidence or mortality. This study reveals contrasting trends in cancer incidence and mortality in Panama in the last decade. Although Panama is considered an upper middle income nation, this study demonstrates that some cancer mortality trends, like the ones seen in cervical and lung cancer, behave similarly to the ones seen in high income countries. In contrast, other types, like breast cancer, follow a pattern seen in countries undergoing a transition to a developed economy with its associated lifestyle, nutrition, and

  17. Epidemic and Non-Epidemic Hot Spots of Malaria Transmission Occur in Indigenous Comarcas of Panama.

    Directory of Open Access Journals (Sweden)

    William Lainhart

    2016-05-01

    Full Text Available From 2002-2005, Panama experienced a malaria epidemic that has been associated with El Niño Southern Oscillation weather patterns, decreased funding for malaria control, and landscape modification. Case numbers quickly decreased afterward, and Panama is now in the pre-elimination stage of malaria eradication. To achieve this new goal, the characterization of epidemiological risk factors, foci of transmission, and important anopheline vectors is needed. Of the 24,681 reported cases in these analyses (2000-2014, ~62% occurred in epidemic years and ~44% in indigenous comarcas (5.9% of Panama's population. Sub-analyses comparing overall numbers of cases in epidemic and non-epidemic years identified females, comarcas and some 5-year age categories as those disproportionately affected by malaria during epidemic years. Annual parasites indices (APIs; number of cases per 1,000 persons for Plasmodium vivax were higher in comarcas compared to provinces for all study years, though P. falciparum APIs were only higher in comarcas during epidemic years. Interestingly, two comarcas report increasing numbers of cases annually, despite national annual decreases. Inclusion of these comarcas within identified foci of malaria transmission confirmed their roles in continued transmission. Comparison of species distribution models for two important anophelines with Plasmodium case distribution suggest An. albimanus is the primary malaria vector in Panama, confirmed by identification of nine P. vivax-infected specimen pools. Future malaria eradication strategies in Panama should focus on indigenous comarcas and include both active surveillance for cases and comprehensive anopheline vector surveys.

  18. LOS AVATARES DEL PLAN COLOMBIA, PLAN DIGNIDAD Y EL PLAN PUEBLA PANAMA

    Directory of Open Access Journals (Sweden)

    Robinson Salazar Pérez

    2002-01-01

    Full Text Available Los planes que se han establecido en América Latina, lejos de intentar erradicar el narcotráfico, tienen dos objetivos claros: crear las condiciones propicias para privatizar los recursos públicos que tengan que ver con el agua, la energía y corredores biológicos; incrementar el paramilitarismo para custodiar las futuras inversiones y crear programas de limpieza social para eliminar la posibilidad de protestas en la región.

  19. Predispersal home range shift of an ocelot Leopardus pardalis (Carnivora: Felidae on Barro Colorado Island, Panama

    Directory of Open Access Journals (Sweden)

    Rafael Mares

    2008-06-01

    Full Text Available Home range shifts prior to natal dispersal have been rarely documented, yet the events that lead a subadult to abandon a portion of its home range and venture into unfamiliar territories, before eventually setting off to look for a site to reproduce, are probably related to the causes of dispersal itself. Here, we used a combination of manual radio-tracking and an Automated Radio Telemetry System to continuously study the movements of a subadult male ocelot (Leopardus pardalis, a solitary carnivore with sex-biased dispersal, on Barro Colorado Island, Panama, for 18 months from May 2003 through October 2004. The subadult ocelot’s parents were also radio-tracked to record possible parent-offspring interactions within their home ranges. At the age of ca. 21 months the subadult gradually began to shift its natal home range, establishing a new one used until the end of the study, in an area that had previously been used by another dispersing subadult male. Only three parent-offspring interactions were recorded during the four months around the time the range-shift occurred. The apparent peaceful nature of these encounters, along with the slow transition out of a portion of his natal home range, suggest the subadult was not evicted from his natal area by his parents. The timing of the shift, along with the subadult’s increase in weight into the weight range of adult ocelots four months after establishing the new territory, suggests that predispersal home range shifts could act as a low risk and opportunistic strategy for reaching adult size, while minimizing competition with parents and siblings, in preparation for an eventual dispersal into a new breeding territory. Rev. Biol. Trop. 56 (2: 779-787. Epub 2008 June 30.Los desplazamientos del ámbito hogareño de mamíferos subadultos previos a la dispersión natal rara vez han sido documentados. Sin embargo, los eventos que llevan a un animal subadulto a abandonar una parte de su ámbito natal

  20. El presidente Mauricio Macri y los Panama Papers. Periodismo, justicia y política entre las denuncias y el escándalo

    Directory of Open Access Journals (Sweden)

    Jorge Andrés Stefoni

    2016-09-01

    Full Text Available El presente artículo aborda la magnitud y las limitaciones del “escándalo” producido alrededor del presidente argentino Mauricio Macri tras las revelaciones de los Panama Papers. Desde una perspectiva sociológico-pragmática, se recorrerán los marcos de situación generados por las denuncias, se evaluarán las intervenciones desde sus exigencias pragmáticas de justificación y se analizarán las legitimidades variables de los distintos actores involucrados en la dinámica denuncia-escándalo. Analizando dimensiones como I la articulación de la denuncia y la percepción del escándalo, II las características de la denuncia, III las particularidades del denunciado, IV el lugar de los medios de comunicación, V la movilización de la denuncia por parte de los distintos actores y VI las formas de legitimación de los denunciantes, se buscará explicar cuáles fueron las condiciones de felicidad del escándalo y por qué el develamiento estuvo lejos de corresponderse con las expectativas de sus impulsores. Como conclusión sostiene que fueron las características de la denuncia periodística y las condiciones contextuales en el ámbito periodístico-mediático, judicial y político las que atenuaron la denuncia, les imposibilitaron a varios actores acreditarse como intérpretes legítimos y terminaron por disminuir la magnitud del escándalo.

  1. The Panama Canal: Writings of the U. S. Army Corps of Engineers Officers Who Conceived and Built It

    Science.gov (United States)

    2012-09-26

    201) Rainfall comparable to areas of the United States near the Gulf of Mexico. The Weather Bureau issued, as a separate designated W. B. No. 201, a...03. Supplemental to May 1899 article. Updates rainfall figures to 1899. _____. “ Meteorology of Panama.” Monthly Weather Review 27 (October 1899...463. More rainfall and temperature data for 1899. _____. “Contributions to the Meteorology of Panama.” Monthly Weather Review 28 January

  2. Fiesta, función, regocijos: claves religiosas y lúdicas en la sociedad rural salmantina del siglo XVIII. La obra de quita y pon

    OpenAIRE

    Cea Gutiérrez, Antonio

    2000-01-01

    Analizamos, a través de las fuentes documentales de la época, contrastadas con información de campo en aquellos ritos que aún se conservan, los elementos que sirven de ingrediente a las variantes festivas serranas a lo largo del calendario. La secuencialización de los distintos pasos del ritual -novenas, procesiones, enramadas, ramos y ofertorios, subastas, colaciones y refrescos, músicas, toros, loas y comedias, tafetanes y otras arquitecturas efímeras- conforman el ceremonial ...

  3. A new species and a new record of Diatrypaceae from Panama.

    Science.gov (United States)

    Chacón, Santiago; Dörge, Dorian; Weisenborn, Jascha; Piepenbring, Meike

    2013-01-01

    Based on opportunistic collections of fungi in Panama, two species of Diatrypaceae (Xylariales) are described and illustrated. One of them, Eutypella semicircularis, found twice on branches probably belonging to Alnus acuminata, is new to science. It differs from known species of Eutypella and Peroneutypa with strongly allantoid or semicircular ascospores, such as E. crustata and P. curvispora, in having larger ascospores that sometimes almost form a circle and broader stromata, among other differences. Molecular data of the ITS rDNA region show that the new species is a sister taxon of Eutypella cerviculata, the type species of the genus Eutypella. Diatrype bermudensis on stems of Guadua angustifolia is reported from Panama for the first time, being known up to now apparently only from Bermuda.

  4. Second Line of Defense Megaports Initiative Operational Testing and Evaluation Plan Colon Container Terminal (CCT) Panama

    Energy Technology Data Exchange (ETDEWEB)

    Newhouse, Robert N.

    2010-01-01

    Report on the Operational Testing and Evaluation to validate and baseline an operable system that meets the Second Line of Defense (SLD) mission requirements. An SLD system is defined as the detection technology and associated equipment, the system operators from the host country, the standard operating procedures (SOPs), and other elements such as training and maintenance which support long-term system sustainment. To this end, the activities conducted during the OT&E phase must demonstrate that the Megaports System can be operated effectively in real-time by Panama Direccion General de Aduanas (DGA Panama Customs) personnel to the standards of the U.S. Department of Energy/National Nuclear Security Administration (DOE/NNSA).

  5. Molecular characterization of human Trypanosoma cruzi isolates from endemic areas in Panama

    Directory of Open Access Journals (Sweden)

    Octavio E Sousa

    2006-06-01

    Full Text Available The present work provides information on Trypanosoma cruzi genotype circulating in endemic areas of Chagas disease in Panama. A total of 26 crude stocks of T. cruzi, isolated from the blood of persons with different clinical profiles of Chagas disease were collected and crio-conserved until used. Most of the stocks had been characterized by means of isoenzyme electrophoresis on cellulose acetate membranes. The clinical profiles of infected persons included 9 (34.6% asymptomatic and 17 acute (65.4% including 5 (19.2% fatal cases, 2 under 5 years old and 3 adults. A multiplex-PCR assay based on the amplification of the non-transcribed spacer of the mini-exon gene was performed. All stocks of T. cruzi included in the study were found to correspond to Tc I group. This result supports the predominance of T. cruzi-I in the transmission cycles affecting the human population in the Republic of Panama.

  6. Seroprevalence of Toxoplasma gondii in domestic pets from metropolitan regions of Panama

    Science.gov (United States)

    Rengifo-Herrera, Claudia; Pile, Edwin; García, Anabel; Pérez, Alexander; Pérez, Dimas; Nguyen, Felicia K.; de la Guardia, Valli; Mcleod, Rima; Caballero, Zuleima

    2017-01-01

    Toxoplasmosis is a worldwide zoonotic disease but information regarding domestic animals in Central America is scarce and fragmented. The aim of this study was to determine the seroprevalence of Toxoplasma gondii in domestic cats and dogs in different metropolitan regions of Panama. A total of 576 samples were collected; sera from 120 cats and 456 dogs were tested using a commercial indirect enzyme-linked immunosorbent assay (ELISA). The overall seroprevalence of IgG antibodies was 30.73%. There is high seroprevalence of T. gondii in cats and dogs in the metropolitan regions around the Panama Canal; however, differences between these species were not significant. Statistical analysis indicated that there are relevant variables, such as the age of animals, with a direct positive relationship with seroprevalence. None of the variables related to animal welfare (veterinary attention provided, type of dwelling, and access to green areas and drinking water) were associated with seropositivity. PMID:28287391

  7. Epidemic and Non-Epidemic Hot Spots of Malaria Transmission Occur in Indigenous Comarcas of Panama

    Science.gov (United States)

    Dutari, Larissa C.; Rovira, Jose R.; Sucupira, Izis M. C.; Póvoa, Marinete M.; Conn, Jan E.; Loaiza, Jose R.

    2016-01-01

    From 2002–2005, Panama experienced a malaria epidemic that has been associated with El Niño Southern Oscillation weather patterns, decreased funding for malaria control, and landscape modification. Case numbers quickly decreased afterward, and Panama is now in the pre-elimination stage of malaria eradication. To achieve this new goal, the characterization of epidemiological risk factors, foci of transmission, and important anopheline vectors is needed. Of the 24,681 reported cases in these analyses (2000–2014), ~62% occurred in epidemic years and ~44% in indigenous comarcas (5.9% of Panama’s population). Sub-analyses comparing overall numbers of cases in epidemic and non-epidemic years identified females, comarcas and some 5-year age categories as those disproportionately affected by malaria during epidemic years. Annual parasites indices (APIs; number of cases per 1,000 persons) for Plasmodium vivax were higher in comarcas compared to provinces for all study years, though P. falciparum APIs were only higher in comarcas during epidemic years. Interestingly, two comarcas report increasing numbers of cases annually, despite national annual decreases. Inclusion of these comarcas within identified foci of malaria transmission confirmed their roles in continued transmission. Comparison of species distribution models for two important anophelines with Plasmodium case distribution suggest An. albimanus is the primary malaria vector in Panama, confirmed by identification of nine P. vivax-infected specimen pools. Future malaria eradication strategies in Panama should focus on indigenous comarcas and include both active surveillance for cases and comprehensive anopheline vector surveys. PMID:27182773

  8. Leptalpheus pereirai sp. nov., a new alpheid shrimp from Panama and Venezuela (Decapoda: Caridea).

    Science.gov (United States)

    Anker, Arthur; Caripe, Jonathan Vera

    2016-06-22

    A new species of the infaunal alpheid shrimp genus Leptalpheus Williams, 1965 is described based on material from three localities on the Caribbean coast of Panama and Isla Chimana Grande, Venezuela. Leptalpheus pereirai sp. nov. belongs to a group of species characterised by the presence of well-developed adhesive disks on the major chela and appears to dwell in burrows of the large callianassid ghost shrimp, Glypturus acanthochirus Stimpson 1866.

  9. Parasitological Evaluation of a Foodhandler Population Cohort in Panama: Risk Factors for Intestinal Parasitism.

    Science.gov (United States)

    1990-06-01

    A nonconcurrent, prospective intestinal parasitic disease study in is estimated that the pathogen Giardia lamblia was responsi- a group of 200...with acquisition of opathogens and suggest procedures for their medical screen- Giardia lamblia and other protozoan/helminthic intestinal para- ing...dining facility, club, day care, and tions (85% in both groups). The appropriateness of mass therapy mobile food service operations in the Panama Canal

  10. Tourism sector in Panama : regional economic impacts and the potential to benefit the poor

    OpenAIRE

    Klytchnikova, Irina; Dorosh, Paul

    2012-01-01

    Tourism is one of Latin America's fastest growing industries but the impact of tourism on the poor and the effects on lagging regions are under debate. Many studies have evaluated the growth impacts of the tourism sector but few have analyzed the impact of tourism on the economy and poverty at the subnational level in developing countries. As a country marked by a "dual economy," Panama sh...

  11. Notes on the Genus Cololejeunea (Lejeuneaceae in Panama. C. cingens (New Record and C. tamasii

    Directory of Open Access Journals (Sweden)

    Sierra Adriel M.

    2016-12-01

    Full Text Available Cololejeunea cingens (Herzog Bernecker & Pócs is recorded for the first time from Panama, extending its distribution in the Neotropics. Additional descriptions based on Panamanian material are provided for C. cingens and for C. tamasii Schäf.-Verw., a species only known from the type, for which dimorphic leaves and gynoecial bracts are first described. We therefore view subgen. Pedinolejeunea Benedix ex Mizut. as a better subgeneric placement for C. tamasii than subgen. Cololejeunea.

  12. Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of Panama

    Science.gov (United States)

    MacFadden, Bruce J.; Jones, Douglas S.; Jud, Nathan A.; Moreno-Bernal, Jorge W.; Morgan, Gary S.; Portell, Roger W.; Perez, Victor J.; Moran, Sean M.; Wood, Aaron R.

    2017-01-01

    The late Miocene was an important time to understand the geological, climatic, and biotic evolution of the ancient New World tropics and the context for the Great American Biotic Interchange (GABI). Despite this importance, upper Miocene deposits containing diverse faunas and floras and their associated geological context are rare in Central America. We present an integrated study of the geological and paleontological context and age of a new locality from Lago Alajuela in northern Panama (Caribbean side) containing late Miocene marine and terrestrial fossils (plants, invertebrates, and vertebrates) from the Alajuela Formation. These taxa indicate predominantly estuarine and shallow marine paleoenvironments, along with terrestrial influences based on the occurrence of land mammals. Sr-isotope ratio analyses of in situ scallop shells indicate an age for the Alajuela Formation of 9.77 ± 0.22 Ma, which also equates to a latest Clarendonian (Cl3) North American Land Mammal Age. Along with the roughly contemporaneous late Miocene Gatun and Lago Bayano faunas in Panama, we now have the opportunity to reconstruct the dynamics of the Central America seaway that existed before final closure coincident with formation of the Isthmus of Panama. PMID:28107398

  13. Integrated Chronology, Flora and Faunas, and Paleoecology of the Alajuela Formation, Late Miocene of Panama.

    Science.gov (United States)

    MacFadden, Bruce J; Jones, Douglas S; Jud, Nathan A; Moreno-Bernal, Jorge W; Morgan, Gary S; Portell, Roger W; Perez, Victor J; Moran, Sean M; Wood, Aaron R

    2017-01-01

    The late Miocene was an important time to understand the geological, climatic, and biotic evolution of the ancient New World tropics and the context for the Great American Biotic Interchange (GABI). Despite this importance, upper Miocene deposits containing diverse faunas and floras and their associated geological context are rare in Central America. We present an integrated study of the geological and paleontological context and age of a new locality from Lago Alajuela in northern Panama (Caribbean side) containing late Miocene marine and terrestrial fossils (plants, invertebrates, and vertebrates) from the Alajuela Formation. These taxa indicate predominantly estuarine and shallow marine paleoenvironments, along with terrestrial influences based on the occurrence of land mammals. Sr-isotope ratio analyses of in situ scallop shells indicate an age for the Alajuela Formation of 9.77 ± 0.22 Ma, which also equates to a latest Clarendonian (Cl3) North American Land Mammal Age. Along with the roughly contemporaneous late Miocene Gatun and Lago Bayano faunas in Panama, we now have the opportunity to reconstruct the dynamics of the Central America seaway that existed before final closure coincident with formation of the Isthmus of Panama.

  14. A new species of Andinobates (Amphibia: Anura: Dendrobatidae) from west central Panama.

    Science.gov (United States)

    Batista, Abel; Jaramillo, César A; Ponce, Marcos; Crawford, Andrew J

    2014-09-24

    Dendrobatid frogs are among the best known anurans in the world, mainly due to their toxicity and associated bright colors. A recently described dendrobatid genus, Andinobates, comprises frogs distributed among the Colombian Andes and Panama. During field work in the Distrito de Donoso, Colón province, Panama, we found a poison frog that we here describe as a new species. The new species belongs to the A. minutus species group and is described herein as Andinobates geminisae sp. nov. This new species differs from all other members of the group by having uniformly orange smooth skin over the entire body and a distinctive male advertisement call. The new species is smaller than other colorful dendrobatids present in the area, such as Oophaga pumilio and O. vicentei. We also provide molecular phylogenetic analyses of mitochondrial DNA sequences of dendrobatids and summarize genetic distances among Andinobates species. Andinobates geminisae occurs in Caribbean versant rainforest on the westernmost edge of the known distribution of A. minutus, and represents the fourth species within this genus in Panama. This is vulnerable to habitat loss and excessive harvesting and requires immediate conservation plans to preserve this species with a restricted geographic range.

  15. Creation of Transgenic Bananas Expressing Human Lysozyme Gene for Panama Wilt Resistance

    Institute of Scientific and Technical Information of China (English)

    Xin-Wu PEI; Shi-Kai CHEN; Rui-Ming WEN; Shang YE; Jia-Qin HUANG; Yong-Qiang ZHANG; Bing-Shan WANG; Zhi-Xing WANG; Shi-Rong JIA

    2005-01-01

    Human lysozyme (HL) inhibits Fusarium oxysporum (FocR4) growth in vitro. To obtaintransgenic bananas (Musa spp.) that are resistant to Panama wilt (F. oxysporum), we introduced an HL genethat is driven by a constitutive cauliflower mosaic virus 35S promoter into the banana via Agrobacterium-mediated transformation. PCR confirmed that 51 transgenic plants were obtained. The development ofPanama wilt symptoms were examined after the plants had been grown in pots. The non-transgenic plantsdeveloped typical fusarium symptoms 60 d after FocR4 inoculation, whereas 24 of 51 transgenic plants remained healthy. The transgenic banana plants that showed resistance to FocR4 in the pots were then planted in a field that was heavily infected with FocR4 for further investigation. Eleven of 24 plants developed symptoms before bud emergence; another 11 plants showed symptoms after bud emergence and the remaining two plants, H-67 and H-144, remained healthy and were able to fruit. Northern blotting analysisdemonstrated that H-67 and H-144, bearing the strongest resistance to Panama wilt, had the highest level ofHL expression and that the expression of HL was well correlated with the FocR4 resistance of transgenicplants. We conclude that Agrobacterium-mediated transformation, with the assistance of particlebombardment, is a powerful approach for banana transformation and that a transgenic HL gene can causeresistance of the crop to FocR4 in the field.

  16. FERNANDO DE TORO, Brecht en el teatro hispanoamericano contemporáneo. Buenos Aires, Galerna, 1987. 253 p.

    Directory of Open Access Journals (Sweden)

    Alicia Saco

    1988-06-01

    Full Text Available En el siglo XX son tres los realizadores y teóricos teatrales que han ejercido mayor influencia, marcando sendos caminos que hasta hoy constituyen los pilares fundamentales del teatro contemporáneo. Me refiero a Constantin Stanislavsky, Bertolt Brecht y Jerzy Grotowsky, quienes a su vez recogen y sistematizan otras experiencias.

  17. Geologic Evolution of the eastern Panama Isthmus from biostratigraphic, tectonic and geophysical data

    Science.gov (United States)

    Barat, F.; Mercier de Lépinay, B.; Sosson, M.; Müller, C.

    2012-04-01

    Panama is located at the junction of Nazca, Cocos, Caribbean and South America Plates, and reflects a complex geological history: the isthmus is mainly an island arc, formed by the convergence between the oceanic Farallon and Caribbean Plates during Late Cretaceous-Paleogene, deformed by extension from the beginning of the Miocene, and shortened during the Middle Miocene collision of the Panama-Choco block with the South America Plate. We focused our researches on the eastern part of Panama, mainly in the Darien province, the least explored territory of the country, combining field work data, remote sensing analyses (SAR images) and geophysical data in order to better constrain the geological history of Panama since the Late Cretaceous. New field observations and detailed biostratigraphic data (nannoflora) allow us to precise the stratigraphic units of eastern Panama. We recognize from bottom to top: (1) the Upper Cretaceous basement of the Caribbean plate consists of basalts, pillow basalts, with minor intercalations of radiolarian cherts, outcropping in the Gulf of San Miguel, San Blas Massif and Sapo Massif; (2) an early volcanic arc, Upper Cretaceous in age, composed by breccias, basalts, intrusive volcanic rocks, limestones and siliceous tuffs, outcropping in the Portobelo Peninsula and San Blas-Darien Massif, attributed to the Ocù formation; (3) a Paleocene-Middle Eocene island-arc magmatic rock suite, outcropping in the Massifs of San Blas-Darien, Mahé and Sapo, attributed to the San Blas Formation; (4) a thick package of Lower-Middle Eocene-Oligocene epiclastic volcanosedimentary rocks, tuffs, with few basaltic lavas, observed in the Mahé Massif, attributed to the Darien Formation; (5) Several sedimentary formations, composed by carbonated and siliceous fine sediments and conglomerates, Upper Middle Eocene to Upper Miocene in age, which outcrop in the basins of Chucunaque-Tuira and Sambu (Porcona, Clarita, Tapaliza, Tuira, Chucunaque formations). We also

  18. Estudio seroepidemiológico del virus respiratorio sincitial bovino en el municipio de Montería, Colombia

    OpenAIRE

    Marco González T.; Juan Rodas G; César Betancur H.

    2011-01-01

    Objetivo. El propósito de esta investigación fue realizar un estudio seroepidemiológico para detectar anticuerpos específicos contra el Virus Respiratorio Sincitial Bovino (BRSV) mediante la técnica comercial de ELISA (Bio-X ® BRSV Elisa Kit, Bruselas, Bélgica), con elfin de demostrar de manera indirecta, la presencia y circulación del VRSB en el municipio de Montería, Colombia. Materiales y métodos. Se recolectaron 163 muestras de sangre (137 de hembras y 26 de toros) de animales con anteced...

  19. Effect of Wildfire on Hydrological Processes in a Monoculture Invasive Grass Catchment within the Panama Canal Watershed

    Science.gov (United States)

    Regina, J. A.; Ogden, F. L.

    2014-12-01

    Hydrological processes in the humid tropics are poorly understood and an important topic when it comes to watershed management in the seasonal tropics. The Smithsonian Tropical Research Institute, Panama Canal Watershed Experiment, Agua Salud Project, seeks to understand these processes and quantify the long-term effects of different land cover and uses across the Panama Canal Watershed. One question posed by this project concerns the hydrologic role of fire in tropical environments. Within the Panama Canal Watershed, fire has seen widespread use among agriculturalists. This study focused on a monoculture invasive grass (Saccharum spontaneum) catchment. Specifically, the effects of significant wildfire events on hydrological processes in the catchment were analyzed. The catchment is within Panama's protected Soberania National Park, which is part of the greater Panama Canal Watershed. Installed instrumentation includes a rain gauge cluster, a two-stage v-notch weir, atmometer and an assortment of meteorological and automated geochemical sampling systems. Spatial, rainfall, runoff and ET data across the catchment is available from 2009-2013. Various hydrologic characteristics, such as runoff ratio, peak flow per unit area, time to peak, runoff duration, and leaf area index, from before and after the events were compared. These characteristics are related to rates of ground water recharge and the occurrence of flash floods. This study provides a baseline from which the potential impacts of fire on hydrological processes in tropical environments can be analyzed.

  20. Questing Amblyomma mixtum and Haemaphysalis juxtakochi (Acari: Ixodidae) Infected with Candidatus "Rickettsia amblyommii" from the Natural Environment in Panama Canal Basin, Panama.

    Science.gov (United States)

    D, Angélica M Castro; S, Gleidys G García; Dzul-Rosado, Karla; Aguilar, Ana; Castillo, Juan; Gabster, Amanda; Trejos, Diomedes; Zavala-Castro, Jorge; Bermúdez C, Sergio E

    2015-12-01

    This work emphasizes the detection of Candidatus "Rickettsia amblyommii" in questing Haemaphysalis juxtakochi and Amblyomma mixtum. From February 2009 to December 2012, questing ticks were collected from the vegetation and leaf-litter of four protected forests and two grassy areas around the Panama Canal basin. DNA was extracted from Amblyomma mixtum, Amblyomma naponense, Amblyomma oblongoguttatum, Amblyomma pecarium, Amblyomma tapirellum, Haemaphysalis juxtakochi, and unidentified immature Amblyomma. Specific primers of citrate synthase gene gltA were used to detect and identify the rickettsiae. Amplicons with the expected band size were purified and sequenced. DNA of C. "R. amblyommii" was found in A. mixtum, H. juxtakochi and Amblyomma immatures. To our knowledge, these finding represent the first report of C. "R. amblyommii" in free-living ticks in the wilderness of Central America.

  1. Preliminary evaluation of thermal and nonthermal waters at selected sites in Panama, Central America. Evaluacion preliminar de aguas termales y no termales de sitios seleccionados en Panama, Centroamerica

    Energy Technology Data Exchange (ETDEWEB)

    Shevenell, L.

    1989-11-01

    Thirty-one thermal and nonthermal water samples were collected in Panama by the Instituto de Recursos Hidraulicos y Electrificacion and analyzed by the Earth and Space Sciences Division at Los Alamos National Laboratory to evaluate the geothermal potential of four different areas. Chemical and isotopic analyses were performed on each sample. Because samples from several areas were submitted, the chemistry of the samples is varied, with total dissolved solids of thermal fluids ranging from 900 to nearly 10,000 mg/{ell}. All water samples studied are meteoric in origin, and none of the thermal waters exhibit an {sup 18}O enrichment, which is characteristic of high-temperature isotopic, exchange between water and rock. At all four areas, calculated geothermometer temperatures within a reservoir of less than 160{degrees}C. 4 refs., 4 figs., 6 tabs.

  2. Las Corridas de Toros en San Fermín: El Riesgo, La Muchedumbre y el Hedonismo Las Corridas de Toros en San Fermín: El Riesgo, La Muchedumbre y el Hedonismo

    Directory of Open Access Journals (Sweden)

    Yaromir Muñoz Molina

    2005-06-01

    Full Text Available Inside the notion of ‘consuming experiences’, it is important to consider traditional celebrations as an appropriate setting to understand the marketing of the concept of hedonic consumption experiences. Analizing the bull running experience in San Fermin, Spain, we seek to understand the meaning this experience has to the participating individuals in terms of the effects of risk and crowding over their pleasure. We used qualitative data in this study. The results have shown the emergence of four notions: openess, vitality, motion, and absence of limits; we have also found that tradition is a central dimension to enjoy this experience.Dentro de la noción de Consumo de Experiencias se considera la importancia de las celebracionesculturales en la ciudad como un escenario apropiado para comprender el concepto de mercadeode experiencias de consumo hedonista. Con base en la experiencia de los encierros en San Fermín, España, se busca comprender el sentido que tienen éstos para los individuos analizandoel efecto del riesgo y de la masa sobre el placer que buscan. Los datos de este estudio fueron denaturaleza cualitativa. Los resultados del análisis muestran la emergencia de cuatro nociones significativas: la apertura, la vitalidad, el movimiento y la ausencia de límites, además se encontróque la tradición es un elemento central en el disfrute de esta experiencia.

  3. Evolution of the Ishtmus of Panama: biological, paleoceanographic, and paleoclimatological implications

    Science.gov (United States)

    Jaramillo, Carlos

    2016-04-01

    The rise of the Isthmus of Panama has been the product of small-scale geological processes that, however, have had worldwide repercussions. Four major events have been linked to the rise of the Isthmus including 1) the onset of the Thermohaline circulation (TCH), 2) the onset of Northern Hemisphere Glaciation, 3) the birth of the Caribbean Sea, and 4) the Great American Biotic Interchange (GABI). The available evidence indicates that there is a strong link between the closure of Central American Seaway (CAS) and the onset of Atlantic Meridional Overturning Circulation (a precursor of THC), but at 10 Ma rather than at 3.5 Ma as it was assumed before. There are not evidences of a connection between the full emergence of the Isthmus at 3.5 Ma and the onset of the NHG. There are strong evidences that the full emergence of the Isthmus at 3.5 Ma changed the oceanography of the Caribbean Sea to its modern conditions, although the role of additional variables into Pleistocene Caribbean Sea conditions still need to be evaluated, including the changes in the climate of the Pleistocene and the cessation of the freshwater flow of several South American rivers into the Caribbean. GABI is more complex that often assumed and it seems that variables other than a continuous terrestrial Isthmus have controlled the direction, timing and speed of migrations. The building of Panamanian landscape can be summarized in four phases, 1) a late Eocene large island in central Panama and the Azuero Peninsula, 2) an early Miocene large scale generation of terrestrial landscapes in Central America that connected central Panama with North America, 3) a full closure of CAS at 10 Ma, interrupting the exchange of deep waters between Caribbean and Pacific, and generating most of the landscape across the Isthmus. Exchange of shallow waters continued until 3.5 Ma, albeit intermittently. 4) A continuous terrestrial landscape across the Isthmus over the past 3.5 Ma.

  4. Fishery of the Green Jack Caranx caballus (Osteichytes: Carangidae in Las Perlas Archipelago, Pacific Panama

    Directory of Open Access Journals (Sweden)

    James M. Mair

    2012-09-01

    Full Text Available Green Jacks, Caranx caballus, are distributed along the Eastern Pacific coast. In Panama, C. caballus was heavily fished around Las Perlas Archipelago to sustain local markets until 2007, when the archipelago was declared a marine protected area. This first study in Panama, analyzed a sample of 4 990 individuals from Las Perlas, obtained monthly from June 2005 to June 2006, from landings at the central fish market. Average total length was 36.1±6.4cm and optimum length 38.9cm. Approximately 68% of fish lengths were within ±10% of the optimal length but only six (15% were considered mega-spawners. The von Bertalanffy parameters describe a long-lived and fast growing species, while mortality rates revealed that C. caballus is under high fishing pressure. Standard length at which half of the population is mature was 38.8cm, and the size at which individuals matured massively, 33cm. Only 10-13% of the fish were immature. C. caballus reproduces two to three times per year, with peaks in December, April, and probably September, and recruits to the population at least twice per year. Catch per unit effort (CPUE was best predicted by minimum annual values of the Multivariate ENSO/ LNSO Index (MEI (R²=0.54. Results show that C. caballus in Pacific Panama is overfished. We recommend the raising of the minimum capture/landing size of this species in order to increase the proportion of megaspawners in the population and guarantee the sustainability of this resource.

  5. [Environmental response in the Pacific to aseismic Cocos Ridge subduction (Panama and Costa Rica)].

    Science.gov (United States)

    De Gracia, Carlos; O'Dea, Aaron; Rodríguez, Félix; D'Croz, Luis

    2012-06-01

    The evolution of the marine communities along the Pacific coast of Central America, may have changed in response to the formation of the Isthmus of Panama. To evaluate the effect of the Aseismic Cocos Ridge (DAC) subduction on the marine benthic communities, we reconstructed benthic assemblages from Neogene fossiliferous formations in Burica and Nicoya peninsulas of Panama and Costa Rica. Paleoecological and paleoenvironmental conditions were reconstructed by comparing community structure from bulk fossil samples with dredge collections from modern Tropical American seas, using principal component analysis. Our results indicate that during the early Pliocene, before the closing of the Isthmus, some oceanic islands existed with moderate upwelling in the Burica region. After the closure, during the late Pliocene and early Pleistocene the collision of the DAC caused an uplift of the seafloor, where water depth of 2 300m became shallow waters of less than 40m depth. Meanwhile, upwelling intensified in the open ocean the uplift that had formed small islands in coastal areas of Burica, creating protected areas and limiting the upwelling effect that was given in open ocean. The subduction of the DAC continued until the islands were joined to the mainland and gradually disappeared, allowing the return of the upwelling. During the middle Pleistocene a second process of accelerated uplift with speeds of 8m/1000 years provoked again the elevation of the seafloor and later the elevation of the Talamanca Range. The new range formed a barrier that blocked the passage of the Trade winds, created new ecological conditions and optimized and allowed the growth of the best coral reefs in the coasts of the tropical Eastern Pacific (POT) between Panama and Costa Rica.

  6. The United States’ “Realist” Foreign Policy: Operation Just Cause in Panama as a Case Study

    Directory of Open Access Journals (Sweden)

    Wassim Daghrir

    2016-05-01

    Full Text Available The US 1989 invasion of Panama corresponded to a symbolic event. It was the first American use of force since 1945 that was unrelated to the Cold War. It occurred at a time when the world’s structure was changing and when the ideological and strategic grounds behind US previous interventions were evaporating. Therefore, the US invasion of Panama opened a new episode of the inter-American relations. It was the very first American use of force of what would soon be called the post-Cold War era. Why, then, in the absence of Cold War considerations did the US deem it necessary to rely on a large-scale military intervention? To answer this question, I will first briefly examine the history of the US-Noriega relations and then deal in more detail with the official explanations issued by the Bush Administration to justify its December 1989 invasion of Panama.

  7. Agriculture in Pending U.S. Free Trade Agreements with Colombia, Panama, and South Korea

    Science.gov (United States)

    2010-02-04

    Cotton 124.8 2.2% Returned Meat & Poultry 5.3 2.1% Food Preparations 116.8 2.1% Coffee Extract 3.7 1.5% Fresh Oranges 90.2 1.6% Bean Cake & Stick...the chairmen and ranking members of the House Ways and Means and Senate Finance Committees, the American Farm Bureau Federation on January 29, 2010...called upon these committees to expedite the approval of pending free trade agreements (FTAs) with Colombia, Panama, and South Korea. The Farm

  8. Poverty and social exclusion in the context of the Puebla- Panama plan

    Directory of Open Access Journals (Sweden)

    Aurora Furlong Z

    2012-10-01

    Full Text Available Integration processes are a fact within the neoliberal context, and the Puebla-Panama Plan (PPP is yet to prove its worth as a mechanism to solve social inequality, where the North American Free Trade Agreement (NAFTA and the Central American Free Trade Agreement (CAFTA have failed.- In those integration schemes, neither improving living conditions of the population in the region nor unifying Central American countries with the south of Mexico was a starting point. The incorporation of communities, peoples and civil society organizations in the design of integration processes will turn them into sustainable projects and will prevent the disintegration of communities, cultures and the loss of biodiversity.

  9. Preliminary Hybrid Modeling of the Panama Canal: Operations and Salinity Diffusion

    Directory of Open Access Journals (Sweden)

    Luis Rabelo

    2012-01-01

    Full Text Available This paper deals with the initial modeling of water salinity and its diffusion into the lakes during lock operation on the Panama Canal. A hybrid operational model was implemented using the AnyLogic software simulation environment. This was accomplished by generating an operational discrete-event simulation model and a continuous simulation model based on differential equations, which modeled the salinity diffusion in the lakes. This paper presents that unique application and includes the effective integration of lock operations and its impact on the environment.

  10. Feeding Habits and Trophic Level of the Panama Grunt Pomadasys panamensis, an Important Bycatch Species from the Shrimp Trawl Fishery in the Gulf of California

    Directory of Open Access Journals (Sweden)

    José A. Rodríguez-Preciado

    2014-01-01

    Full Text Available The Panama grunt is an abundant and commercially important species in the southeastern Gulf of California, but the research undertaken on this species is scarce despite its ecological and economic importance. We studied the feeding habits of Panama grunt through stomach content analyses as a first step towards understanding the biology of this species in the study area. Our results indicate that the Panama grunt is a benthic predator throughout its life cycle and feeds mainly on infaunal crustaceans. Diet differences among grunt were not found according to size, diet, or season. Shannon diversity index results indicate that Panama grunt has a limited trophic niche breadth with a diet dominated by a limited number of taxa as crustaceans. The estimated trophic level of this species is 3.59. Overall, the Panama grunt is a carnivorous fish occupying the intermediate levels of the trophic pyramid.

  11. Feeding habits and trophic level of the Panama grunt Pomadasys panamensis, an important bycatch species from the shrimp trawl fishery in the Gulf of California

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez-Preciado, Jose A.; Amezcua-Martinez, Felipe; Bellgraph, Brian J.; Madrid-Vera, Juan

    2014-10-14

    The Panama grunt is an abundant and commercially important species in the SE Gulf of California, but the research undertaken on this species is scarce despite its ecological and economic importance. We studied the feeding habits of Panama grunt through stomach content analyses as a first step towards understanding the biology of this species in the study area. Our results show that the Panama grunt is a benthic predator throughout its life cycle and feeds mainly on infaunal crustaceans. Diet differences were not found according to size, diet or season. Shannon diversity index results indicate that Panama grunt have a limited trophic niche breadth with a diet dominated by a limited number of taxa. The estimated trophic level of this species is 3.59. Overall, the Panama grunt is a carnivorous fish occupying the intermediate levels of the trophic pyramid.

  12. The United States’ “Realist” Foreign Policy: Operation Just Cause in Panama as a Case Study

    OpenAIRE

    Wassim Daghrir

    2016-01-01

    The US 1989 invasion of Panama corresponded to a symbolic event. It was the first American use of force since 1945 that was unrelated to the Cold War. It occurred at a time when the world’s structure was changing and when the ideological and strategic grounds behind US previous interventions were evaporating. Therefore, the US invasion of Panama opened a new episode of the inter-American relations. It was the very first American use of force of what would soon be called the post-Cold War era....

  13. Epidemiological patterns of cutaneous leishmaniasis in Panama. III. Endemic persistence of the disease.

    Science.gov (United States)

    Herrer, A; Christensen, H A

    1976-01-01

    Endemic persistence of cutaneous leishmaniasis is described in El Aguacate, a community established in the forest of central Panama about 75 years ago. Physiographic pecularities partially isolate El Aguacate from other villages in the region. Some of the original forest environment has been preserved and man-biting species of phlebotomine sandflies were abundant as was the two-toed sloth, Choloepus hoffmanni, the principal reservoir host of Leishmania braziliensis in Panama. The inhabitants, as well as their dogs, were examined for natural leishmaniasis in 1969 and 1973. Mammals and phlebotomine sandflies were collected from 1968 to 1973 in a search for reservoir hosts and potential vectors of the disease. Similar studies were undertaken in two nearby villages during 1968 and 1969. L. braziliensis has persisted for many years in El Aguacate, and infection is acquired during childhood. Dogs also were found naturally infected, and the two-toed sloth showed yearly infection rates up to 47.8%. Parasites were demonstrated from a night monkey, Aotus trivirgatus.

  14. Molecular diagnosis and species identification of Ehrlichia and Anaplasma infections in dogs from Panama, Central America.

    Science.gov (United States)

    Santamaria, Annamaria; Calzada, Jose E; Saldaña, Azael; Yabsley, Michael J; Gottdenker, Nicole L

    2014-05-01

    The prevalence and distribution of Anaplasma and Ehrlichia were estimated in 201 symptomatic dogs from Panama by nested PCR and DNA sequencing of the 16S rRNA gene. In total, 163 dogs (70.6%; 163/201) were infected with either Anaplasma or Ehrlichia. On the basis of PCR results, the majority of cases were infected with E. canis (64.2%; 129/201) followed by 21.4% (43/201) with A. platys, whereas 7.5% (15/201) had Anaplasma/Ehrlichia co-infections. Further analyses of 16S rDNA partial sequences show sequence homology with E. canis and A. platys from other countries. Hematology findings from 79 E. canis PCR-positive dogs included anemia (74.7%), thrombocytopenia (81.9%), macroplatelets (29.1%), and leukopenia (6.3%). Among 16 A. platys PCR-positive dogs with available hematology, 62.5% were anemic, 75% had thrombocytopenia, and 100% had macroplatelets. On the basis of E.canis serology (enzyme-linked immunosorbent assay [ELISA]) (n=92 dogs), 30 dogs that were seropositive for E. canis were also PCR-positive, whereas among seronegatives (n=62), 10 were PCR-positive for E. canis. This study provides the first characterization of canine anaplasmosis and ehrlichiosis infections in Panama and is important to veterinary public health and comparative studies of these pathogens in the Americas.

  15. Corrosion study of steels exposed over five years to the humid tropical atmosphere of Panama

    Energy Technology Data Exchange (ETDEWEB)

    Jaén, Juan A., E-mail: juan.jaen@up.ac.pa [Departamento de Química Física, Edificio de Laboratorios Científicos-VIP (Panama); Iglesias, Josefina [Laboratorio de Análisis Industriales y Ciencias Ambientales (Panama)

    2017-11-15

    The results of assessing five-year corrosion of low-carbon and conventional weathering steels exposed to the Panamanian tropical atmosphere is presented. Two different test sites, one in Panama City: 5 km from the shoreline of the Pacific Ocean, and another in the marine environment of Fort Sherman, Caribbean coast of Panama; namely, Fort Sherman Coastal site: 100 m from coastline. The corrosion products, formed in the skyward and earthward faces in the studied tropical environment, were mainly identified using room temperature and low temperature (15 K) Mössbauer spectroscopy, and ATR-FTIR. In all samples, lepidocrocite (γ-FeOOH) and goethite (α-FeOOH) were the main constituents. Some maghemite (γ-Fe{sub 2}O{sub 3}), was also identified in Tocumen by Mössbauer spectroscopy and traces of feroxyhyte (δ-FeOOH) using ATR-FTIR. The corrosion rate values obtained are discussed in light of the atmospheric exposure conditions and atmospheric pollutants.

  16. The effect of habitat fragmentation and species diversity loss on hantavirus prevalence in Panama.

    Science.gov (United States)

    Suzán, Gerardo; Marcé, Erika; Giermakowski, J Tomasz; Armién, Blas; Pascale, Juan; Mills, James; Ceballos, Gerardo; Gómez, Andres; Aguirre, A Alonso; Salazar-Bravo, Jorge; Armién, Anibal; Parmenter, Robert; Yates, Terry

    2008-12-01

    Habitat fragmentation and diversity loss due to increased conversion of natural habitats to agricultural uses influence the distribution and abundance of wildlife species and thus may change the ecology of pathogen transmission. We used hantaviruses in Panama as a research model to determine whether anthropogenic environmental change is associated with changes in the dynamics of viral transmission. Specifically, we wanted to determine whether hantavirus infection was correlated with spatial attributes of the landscape at both large and small scales or whether these changes are mediated by changes in community composition. When analyzed at coarse spatial scales, hantavirus reservoirs were more commonly found in disturbed habitats and edge habitats than in forested areas. At local scales, reservoir species dominance was significantly correlated with the slope of the terrain. To evaluate the effect of small-mammal diversity loss on infection dynamics, we implemented an experiment with selective species removal at experimental sites. Seroprevalence of hantavirus was higher in the community of small mammals and increased through time in the experimental sites. The higher seroprevalence in experimental plots suggests that greater diversity likely reduces encounter rates between infected and susceptible hosts. Our studies suggest that habitat loss and fragmentation and species diversity loss are altering hantavirus infection dynamics in Panama. Our work represents a multidisciplinary approach toward disease research that includes biodiversity concerns such as environmental change and degradation, human settlement patterns, and the ecology of host and nonhost species, work that may be especially important in tropical countries.

  17. Ark and Archive: Making a Place for Long-Term Research on Barro Colorado Island, Panama.

    Science.gov (United States)

    Raby, Megan

    2015-12-01

    Barro Colorado Island (BCI), Panama, may be the most studied tropical forest in the world. A 1,560-hectare island created by the flooding of the Panama Canal, BCI became a nature reserve and biological research station in 1923. Contemporaries saw the island as an "ark" preserving a sample of primeval tropical nature for scientific study. BCI was not simply "set aside," however. The project of making it a place for science significantly reshaped the island through the twentieth century. This essay demonstrates that BCI was constructed specifically to allow long-term observation of tropical organisms--their complex behaviors, life histories, population dynamics, and changing species composition. An evolving system of monitoring and information technology transformed the island into a living scientific "archive," in which the landscape became both an object and a repository of scientific knowledge. As a research site, BCI enabled a long-term, place-based form of collective empiricism, focused on the study of the ecology of a single tropical island. This essay articulates tropical ecology as a "science of the archive" in order to examine the origins of practices of environmental surveillance that have become central to debates about global change and conservation.

  18. Synanthropic Mammals as Potential Hosts of Tick-Borne Pathogens in Panama.

    Science.gov (United States)

    Bermúdez, Sergio E; Gottdenker, Nicole; Krishnvajhala, Aparna; Fox, Amy; Wilder, Hannah K; González, Kadir; Smith, Diorene; López, Marielena; Perea, Milixa; Rigg, Chystrie; Montilla, Santiago; Calzada, José E; Saldaña, Azael; Caballero, Carlos M; Lopez, Job E

    2017-01-01

    Synanthropic wild mammals can be important hosts for many vector-borne zoonotic pathogens. The aim of this study was determine the exposure of synanthropic mammals to two types of tick-borne pathogens in Panama, spotted fever group Rickettsia (SFGR) and Borrelia relapsing fever (RF) spirochetes. One hundred and thirty-one wild mammals were evaluated, including two gray foxes, two crab-eating foxes (from zoos), four coyotes, 62 opossum and 63 spiny rats captured close to rural towns. To evaluate exposure to SFGR, serum samples from the animals were tested by indirect immunofluorescence assay (IFA) using Rickettsia rickettsii and Candidatus Rickettsia amblyommii antigen. Immunoblotting was performed using Borrelia turicatae protein lysates and rGlpQ, to assess infection caused by RF spirochetes. One coyote (25%) and 27 (43%) opossums showed seroreactivity to SFGR. Of these opossums, 11 were seroreactive to C. R. amblyommii. Serological reactivity was not detected to B. turicatae in mammal samples. These findings may reflect a potential role of both mammals in the ecology of tick-borne pathogens in Panama.

  19. Risk factors associated with Trypanosoma cruziexposure in domestic dogs from a rural community in Panama

    Directory of Open Access Journals (Sweden)

    Azael Saldaña

    2015-11-01

    Full Text Available Chagas disease, caused by Trypanosoma cruziinfection, is a zoonosis of humans, wild and domestic mammals, including dogs. In Panama, the main T. cruzivector is Rhodnius pallescens, a triatomine bug whose main natural habitat is the royal palm, Attalea butyracea. In this paper, we present results from three T. cruziserological tests (immunochromatographic dipstick, indirect immunofluorescence and ELISA performed in 51 dogs from 24 houses in Trinidad de Las Minas, western Panama. We found that nine dogs were seropositive (17.6% prevalence. Dogs were 1.6 times more likely to become T. cruziseropositive with each year of age and 11.6 times if royal palms where present in the peridomiciliary area of the dog’s household or its two nearest neighbours. Mouse-baited-adhesive traps were employed to evaluate 12 peridomestic royal palms. All palms were found infested with R. pallescenswith an average of 25.50 triatomines captured per palm. Of 35 adult bugs analysed, 88.6% showed protozoa flagellates in their intestinal contents. In addition, dogs were five times more likely to be infected by the presence of an additional domestic animal species in the dog’s peridomiciliary environment. Our results suggest that interventions focused on royal palms might reduce the exposure to T. cruzi infection.

  20. Building Participation in Large-scale Conservation: Lessons from Belize and Panama

    Directory of Open Access Journals (Sweden)

    Jesse Guite Hastings

    2015-01-01

    Full Text Available Motivated by biogeography and a desire for alignment with the funding priorities of donors, the twenty-first century has seen big international NGOs shifting towards a large-scale conservation approach. This shift has meant that even before stakeholders at the national and local scale are involved, conservation programmes often have their objectives defined and funding allocated. This paper uses the experiences of Conservation International′s Marine Management Area Science (MMAS programme in Belize and Panama to explore how to build participation at the national and local scale while working within the bounds of the current conservation paradigm. Qualitative data about MMAS was gathered through a multi-sited ethnographic research process, utilising document review, direct observation, and semi-structured interviews with 82 informants in Belize, Panama, and the United States of America. Results indicate that while a large-scale approach to conservation disadvantages early national and local stakeholder participation, this effect can be mediated through focusing engagement efforts, paying attention to context, building horizontal and vertical partnerships, and using deliberative processes that promote learning. While explicit consideration of geopolitics and local complexity alongside biogeography in the planning phase of a large-scale conservation programme is ideal, actions taken by programme managers during implementation can still have a substantial impact on conservation outcomes.

  1. Synanthropic Mammals as Potential Hosts of Tick-Borne Pathogens in Panama

    Science.gov (United States)

    Bermúdez, Sergio E.; Gottdenker, Nicole; Krishnvajhala, Aparna; Fox, Amy; Wilder, Hannah K.; González, Kadir; Smith, Diorene; López, Marielena; Perea, Milixa; Rigg, Chystrie; Montilla, Santiago; Calzada, José E.; Saldaña, Azael; Caballero, Carlos M.

    2017-01-01

    Synanthropic wild mammals can be important hosts for many vector-borne zoonotic pathogens. The aim of this study was determine the exposure of synanthropic mammals to two types of tick-borne pathogens in Panama, spotted fever group Rickettsia (SFGR) and Borrelia relapsing fever (RF) spirochetes. One hundred and thirty-one wild mammals were evaluated, including two gray foxes, two crab-eating foxes (from zoos), four coyotes, 62 opossum and 63 spiny rats captured close to rural towns. To evaluate exposure to SFGR, serum samples from the animals were tested by indirect immunofluorescence assay (IFA) using Rickettsia rickettsii and Candidatus Rickettsia amblyommii antigen. Immunoblotting was performed using Borrelia turicatae protein lysates and rGlpQ, to assess infection caused by RF spirochetes. One coyote (25%) and 27 (43%) opossums showed seroreactivity to SFGR. Of these opossums, 11 were seroreactive to C. R. amblyommii. Serological reactivity was not detected to B. turicatae in mammal samples. These findings may reflect a potential role of both mammals in the ecology of tick-borne pathogens in Panama. PMID:28060928

  2. Risk factors associated with Trypanosoma cruzi exposure in domestic dogs from a rural community in Panama.

    Science.gov (United States)

    Saldaña, Azael; Calzada, José E; Pineda, Vanessa; Perea, Milixa; Rigg, Chystrie; González, Kadir; Santamaria, Ana Maria; Gottdenker, Nicole L; Chaves, Luis F

    2015-11-01

    Chagas disease, caused by Trypanosoma cruzi infection, is a zoonosis of humans, wild and domestic mammals, including dogs. In Panama, the main T. cruzi vector is Rhodnius pallescens, a triatomine bug whose main natural habitat is the royal palm, Attalea butyracea. In this paper, we present results from three T. cruzi serological tests (immunochromatographic dipstick, indirect immunofluorescence and ELISA) performed in 51 dogs from 24 houses in Trinidad de Las Minas, western Panama. We found that nine dogs were seropositive (17.6% prevalence). Dogs were 1.6 times more likely to become T. cruzi seropositive with each year of age and 11.6 times if royal palms where present in the peridomiciliary area of the dog's household or its two nearest neighbours. Mouse-baited-adhesive traps were employed to evaluate 12 peridomestic royal palms. All palms were found infested with R. pallescens with an average of 25.50 triatomines captured per palm. Of 35 adult bugs analysed, 88.6% showed protozoa flagellates in their intestinal contents. In addition, dogs were five times more likely to be infected by the presence of an additional domestic animal species in the dog's peridomiciliary environment. Our results suggest that interventions focused on royal palms might reduce the exposure to T. cruzi infection.

  3. Distribution of ectoparasites of Canis lupus familiaris L. (Carnivora: Canidae from Panama

    Directory of Open Access Journals (Sweden)

    Roberto Miranda C

    2011-04-01

    Full Text Available Objetive. To determine the distribution of ectoparasites in dogs in Panama. Materials and methods. There were surveyed 720 canines belonging to 57 communities. Results. The results showed that 84% of the dogs were infested with at least one species of ectoparasite. Dogs from lowlands showed a higher percentage of parasitism and a greater biodiversity of parasites than dogs from highlands. There were found seven species of ticks, four species of fleas, two species of lice, and one specie of botfly. The ticks Rhipicephalus sanguineus, Amblyomma cajennense, A. ovale and the flea Ctenocephalides felis were widespread; however Ixodes boliviensis and Pulex simulans showed a much narrower geographic distribution and they were found only in dogs from highlands. The flea species Rhopalopsyllus cacicus and the tick Haemaphysalis juxtakochi were found for the first time in panamanian dogs. Conclusions. The environmental situation in Panama, can encourage that wildlife ectoparasites parasitized dogs in absence of their native hosts. This condition may increase transmission risk of some diseases where the ticks and fleas are vectors.

  4. La campaña del sur (1813-1816) en las telas de josé maría espinosa prieto

    OpenAIRE

    Chicangana-Bayona,Yobenj Aucardo

    2011-01-01

    Este artículo aborda el estudio de una de las nuevas temáticas de la pintura republicana después de la independencia: la representación de batallas. Específicamente, se analizan la serie de ocho pinturas dedicadas a batallas y acciones sobre la Campaña del Sur (1813-1816), pintadas por José María Espinosa Prieto (1796-1883) y compradas por el gobierno de Manuel Murillo Toro durante su segundo período (1872-1874).

  5. Catalogo General de Universidades, 1970-1971: Federacion de Universidades Privadas de America Central y Panama (General Catalog of Universities, 1970-1971: Federation of Private Universities of Central America and Panama).

    Science.gov (United States)

    Federacion de Universidades Privadas de America Central y Panama, Guatemala City (Guatemala).

    This document contains the 1970-1971 catalogues of five universities belonging to the Federation of Private Universities of Central America and Panama (FUPAC). The catalogues provide information on university administrators and staff, historical background, admission requirements, degree programs, scholarships, and courses. The catalogues included…

  6. Space-time variations of stresses in the Miocene-Quaternary along the Calama-Olacapato-El Toro Fault Zone, Central Andes

    Science.gov (United States)

    Lanza, F.; Tibaldi, A.; Bonali, F. L.; Corazzato, C.

    2013-05-01

    We describe the temporal and spatial changes in the tectonic state of stress occurred during the Miocene-Quaternary in the trans-orogen area of the Calama-Olacapato-El Toro (COT) fault zone in the Central Andes, at about 24°S within the northern portion of the Puna Plateau. This work sheds new light on the complexity of stress pattern distribution in general, and contributes to the analysis of the relationships between tectonics and volcanism, and of the seismic hazard of the area. Field geological surveys, along with kinematic analysis and numerical inversion of ~ 140 new fault-slip measurements, have revealed that this portion of the COT zone, previously considered a continuous, long-lived lineament, in reality has been subjected to three different kinematic regimes: 1) a Miocene transpressional phase with the maximum principal stress (σ1) chiefly trending NNE-SSW; 2) an extensional phase that started by 9 Ma, with a horizontal NW-SE-trending minimum principal stress (σ3), and 3) a left-lateral strike-slip phase with a horizontal ~ E-W σ1 and ~ N-S σ3 dating to the late Pliocene-Quaternary, which decreases toward the westernmost part of the studied zone, where it transitions to extension producing a N-S-trending graben structure. Hence, even if transcurrence is still active in the eastern portion of the COT, as focal mechanisms of crustal earthquakes indicate, our study demonstrates that extension is becoming the predominant structural style of deformation, at least in the western region. The major changes in the tectonic regimes are attributed to changes in the magnitude of the boundary forces due to subduction processes, whereas gravitational effect of a thickened crust might be responsible for the overall orogen-perpendicular extension.

  7. Estudio descriptivo de los pacientes con reflujo vesicoureteral intervenidos quirúrgicamente en el Hospital Infantil Universitario Rafael Henao Toro de Manizales (Caldas, Colombia) entre los años 2008-2015

    OpenAIRE

    Bocanegra Serrano, Luis Felipe; Castaño Castrillón, José Jaime; Duque Quintero, Antonio; Escalante López, Manuel Alejandro; García Clavijo, Luisa Fernanda; Leytón Rios, Fernan-da Estefanía; Peláez Giraldo, Natalia

    2016-01-01

    Artículo (Investigación Médica). Universidad de Manizales. Facultad de Ciencias de la Salud-Programa de Medicina, 2015 Objetivo: Analizar las historias clínicas de los pacientes intervenidos quirúrgicamente por reflujo vesicoureteral en el Hospital Infantil Universitario Rafael Henao Toro de Manizales-Caldas (Colombia) durante los años 2008-2015. Materiales y métodos: estudio descriptivo en el cual se revisaron 50 historias clínicas. Resultados: el género masculino tiene una pro-porción de...

  8. 33 CFR 334.760 - Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla...

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false Naval Support Activity Panama City and Alligator Bayou, a tributary of St. Andrew Bay, Fla.; naval restricted area. 334.760 Section 334.760 Navigation and Navigable Waters CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE DANGER ZONE AND RESTRICTED AREA REGULATIONS...

  9. An assessment of the terrestrial mammal communities in forests of Central Panama, using camera-trap surveys

    NARCIS (Netherlands)

    Meyer, N.F.V.; Esser, H.J.; Moreno, R.; Langevelde, van F.; Liefting, Y.; Ros Oller, D.; Vogels, C.B.F.; Carver, A.D.; Nielsen, C.K.; Jansen, P.A.

    2015-01-01

    The Isthmus of Panama, part of the planet’s third largest megadiversity hotspot, and connecting the faunas of North and South America, has lost more than half of its forest due to agriculture and economicdevelopment. It is unknown to what degree the remaining forest, which is fragmented and subject

  10. An assessment of the terrestrial mammal communities in forests of Central Panama, using camera-trap surveys

    NARCIS (Netherlands)

    Meyer, N.F.V.; Esser, H.J.; Moreno, R.; Langevelde, van F.; Liefting, Y.; Ros Oller, D.; Vogels, C.B.F.; Carver, A.D.; Nielsen, C.K.; Jansen, P.A.

    2015-01-01

    The Isthmus of Panama, part of the planet’s third largest megadiversity hotspot, and connecting the faunas of North and South America, has lost more than half of its forest due to agriculture and economicdevelopment. It is unknown to what degree the remaining forest, which is fragmented and subject

  11. 5 CFR 315.601 - Appointment of former employees of the Canal Zone Merit System or Panama Canal Employment System.

    Science.gov (United States)

    2010-01-01

    ... 5 Administrative Personnel 1 2010-01-01 2010-01-01 false Appointment of former employees of the Canal Zone Merit System or Panama Canal Employment System. 315.601 Section 315.601 Administrative Personnel OFFICE OF PERSONNEL MANAGEMENT CIVIL SERVICE REGULATIONS CAREER AND CAREER-CONDITIONAL EMPLOYMENT Career or Career-Conditional Appointment...

  12. 5 CFR 315.609 - Appointment based on service in United States positions of the Panama Canal Commission.

    Science.gov (United States)

    2010-01-01

    ... 5 Administrative Personnel 1 2010-01-01 2010-01-01 false Appointment based on service in United States positions of the Panama Canal Commission. 315.609 Section 315.609 Administrative Personnel OFFICE OF PERSONNEL MANAGEMENT CIVIL SERVICE REGULATIONS CAREER AND CAREER-CONDITIONAL EMPLOYMENT Career or Career-Conditional Appointment Under...

  13. First report offusarium oxysporumf. sp.cubensetropical race 4 causing panama disease in cavendish bananas in Pakistan and Lebanon

    NARCIS (Netherlands)

    Ordoñez, N.; García-Bastidas, F.; Laghari, H.B.; Akkary, M.Y.; Harfouche, E.N.; Awar, al B.N.; Kema, G.H.J.

    2016-01-01

    Panama disease of banana, caused byFusarium oxysporumf. sp.cubense(Foc), poses a great risk to global banana production. Tropical race 4 (TR4) of Foc, which affects Cavendish bananas as well as many other banana cultivars (Ploetz 2006), was confirmed for the first time outside Southeast Asia in Jord

  14. 77 FR 66505 - To Implement the United States-Panama Trade Promotion Agreement and for Other Purposes

    Science.gov (United States)

    2012-11-05

    ... Trade Promotion Agreement and for Other Purposes By the President of the United States of America A...-Panama Trade Promotion Agreement Implementation Act (the ``Implementation Act'') (Public Law 112-43, 125... preferential tariff treatment provided for under the Agreement. I have determined that it is necessary...

  15. 75 FR 3395 - Taking and Importing Marine Mammals; U.S. Naval Surface Warfare Center Panama City Division...

    Science.gov (United States)

    2010-01-21

    ..., and provide the opportunity for an experienced biologist to collect data on marine mammal behavior... National Oceanic and Atmospheric Administration 50 CFR Part 218 RIN 0648-AW80 Taking and Importing Marine Mammals; U.S. Naval Surface Warfare Center Panama City Division Mission Activities AGENCY: National Marine...

  16. 75 FR 5761 - Executive-Led Trade Mission to Colombia and Panama; November 15-18, 2010

    Science.gov (United States)

    2010-02-04

    ... Web sites, press releases to general and trade media, broadcast fax, notices by industry trade... International Trade Administration Executive-Led Trade Mission to Colombia and Panama; November 15- 18, 2010... Commerce, International Trade Administration, U.S. and Foreign Commercial Service is organizing a Trade...

  17. Molecular Epidemiology of HIV-1 in Panama: Origin of Non-B Subtypes in Samples Collected from 2007 to 2013

    Science.gov (United States)

    Mendoza, Yaxelis; Bello, Gonzalo; Castillo Mewa, Juan; Martínez, Alexander A.; González, Claudia; García-Morales, Claudia; Avila-Ríos, Santiago; Reyes-Terán, Gustavo; Pascale, Juan M.

    2014-01-01

    Phylogenetic studies have suggested that the HIV-1 epidemic in the Americas is mainly dominated by HIV subtype B. However, countries of South America and the Caribbean have recently reported changes in their circulating HIV-1 genetic profiles. The aim of this study was to characterize the molecular profile of the HIV-1 epidemic in Panama by the analysis of 655 polymerase gene (pol) sequences that were obtained from HIV-infected Panamanians diagnosed between 1987 and 2013. Blood samples were collected from recently infected, antiretroviral drug-naïve and treatment-experienced subjects since mid-2007 to 2013. Viral RNA from plasma was extracted and sequences of HIV protease and reverse transcriptase genes were obtained. Bootscanning and phylogenetic methods were used for HIV subtyping and to trace the putative origin of non-B subtype strains. Our results showed that HIV-1 infections in Panama are dominated by subtype B (98.9%). The remaining 1.1% is represented by a diverse collection of recombinant variants including: three URFs_BC, one CRF20_BG, and one CRF28/29_BF, in addition to one subtype F1 and one subtype C, none of which were previously reported in Panama. The non-B subtype variants detected in Panama were probably introduced from Brazil (subtype F1 and CRF28/29_BF), Cuba (CRF20_BG), Dominican Republic (URFs_BC) and India (subtype C). Panama is the geographical vertex that connects the North with South America and the Caribbean through trade and cultural relations, which may explain the observed introductions of non-B subtype HIV-1 variants from both the Caribbean and South America into this Central American country. PMID:24454808

  18. Transition from the Farallon Plate subduction to the collision between South and Central America: Geological evolution of the Panama Isthmus

    Science.gov (United States)

    Barat, Flore; Mercier de Lépinay, Bernard; Sosson, Marc; Müller, Carla; Baumgartner, Peter O.; Baumgartner-Mora, Claudia

    2014-05-01

    This paper presents new geological constraints on the collision of southern Central America with South America, and the resulting deformational episodes that have affected the Panama Isthmus since the Late Cretaceous. The Panama Isthmus is located in southwestern Central America, and it represents the zone of contact between the two land masses: Central America and South America. This collision event is still active today. It has resulted in regional uplift since the Late Miocene/Pliocene and is responsible for the Great American Biotic Interchange between South and North America. Depending on the methods of investigation used, and due to the lack of data available, the time when this collision began is still widely debated and poorly constrained. To better constrain this age, we have studied the rock formations and the tectonic deformations in central and eastern Panama that have occurred since the Late Cretaceous. This study presents new rock ages, field-work documentation and analyses, and seismic-line interpretations, and it is complemented by spatial images for the eastern Panama area. During the Middle Eocene, a number of changes suddenly appeared in the geological records that were synchronous with the break-up of southern Central America into two smaller blocks: Chorotega and Chocó. Our main results identify the prevalence of an extensional tectonic regime from the Middle Eocene to the Middle Miocene that caused the formation of horst and graben structures with thick sedimentary basin fills, and a synchronous clockwise block rotation. Here, we propose that these geologic events are associated with the initiation of the oblique collision of southern Central America with South America. The first contact of the southeastern extremity of Central America occurred around 40 Ma to 38 Ma, and then propagated northwestwards. We describe here this long-term collision episode in relation to the history of the Panama Isthmus.

  19. Molecular epidemiology of HIV-1 in Panama: origin of non-B subtypes in samples collected from 2007 to 2013.

    Directory of Open Access Journals (Sweden)

    Yaxelis Mendoza

    Full Text Available Phylogenetic studies have suggested that the HIV-1 epidemic in the Americas is mainly dominated by HIV subtype B. However, countries of South America and the Caribbean have recently reported changes in their circulating HIV-1 genetic profiles. The aim of this study was to characterize the molecular profile of the HIV-1 epidemic in Panama by the analysis of 655 polymerase gene (pol sequences that were obtained from HIV-infected Panamanians diagnosed between 1987 and 2013. Blood samples were collected from recently infected, antiretroviral drug-naïve and treatment-experienced subjects since mid-2007 to 2013. Viral RNA from plasma was extracted and sequences of HIV protease and reverse transcriptase genes were obtained. Bootscanning and phylogenetic methods were used for HIV subtyping and to trace the putative origin of non-B subtype strains. Our results showed that HIV-1 infections in Panama are dominated by subtype B (98.9%. The remaining 1.1% is represented by a diverse collection of recombinant variants including: three URFs_BC, one CRF20_BG, and one CRF28/29_BF, in addition to one subtype F1 and one subtype C, none of which were previously reported in Panama. The non-B subtype variants detected in Panama were probably introduced from Brazil (subtype F1 and CRF28/29_BF, Cuba (CRF20_BG, Dominican Republic (URFs_BC and India (subtype C. Panama is the geographical vertex that connects the North with South America and the Caribbean through trade and cultural relations, which may explain the observed introductions of non-B subtype HIV-1 variants from both the Caribbean and South America into this Central American country.

  20. Molecular epidemiology of HIV-1 in Panama: origin of non-B subtypes in samples collected from 2007 to 2013.

    Science.gov (United States)

    Mendoza, Yaxelis; Bello, Gonzalo; Castillo Mewa, Juan; Martínez, Alexander A; González, Claudia; García-Morales, Claudia; Avila-Ríos, Santiago; Reyes-Terán, Gustavo; Pascale, Juan M

    2014-01-01

    Phylogenetic studies have suggested that the HIV-1 epidemic in the Americas is mainly dominated by HIV subtype B. However, countries of South America and the Caribbean have recently reported changes in their circulating HIV-1 genetic profiles. The aim of this study was to characterize the molecular profile of the HIV-1 epidemic in Panama by the analysis of 655 polymerase gene (pol) sequences that were obtained from HIV-infected Panamanians diagnosed between 1987 and 2013. Blood samples were collected from recently infected, antiretroviral drug-naïve and treatment-experienced subjects since mid-2007 to 2013. Viral RNA from plasma was extracted and sequences of HIV protease and reverse transcriptase genes were obtained. Bootscanning and phylogenetic methods were used for HIV subtyping and to trace the putative origin of non-B subtype strains. Our results showed that HIV-1 infections in Panama are dominated by subtype B (98.9%). The remaining 1.1% is represented by a diverse collection of recombinant variants including: three URFs_BC, one CRF20_BG, and one CRF28/29_BF, in addition to one subtype F1 and one subtype C, none of which were previously reported in Panama. The non-B subtype variants detected in Panama were probably introduced from Brazil (subtype F1 and CRF28/29_BF), Cuba (CRF20_BG), Dominican Republic (URFs_BC) and India (subtype C). Panama is the geographical vertex that connects the North with South America and the Caribbean through trade and cultural relations, which may explain the observed introductions of non-B subtype HIV-1 variants from both the Caribbean and South America into this Central American country.

  1. Mass mortality of Diadema antillarum on the Caribbean coast of Panama

    Science.gov (United States)

    Lessios, H. A.; Cubit, J. D.; Robertson, D. R.; Shulman, M. J.; Parker, M. R.; Garrity, S. D.; Levings, S. C.

    1984-12-01

    The ecologically important sea urchin Diadema antillarum suffered mass mortalities in 1983, first noted in Panama and then reported from the rest of the Caribbean. We documented the effects of this mortality at two localities on the Atlantic coast of Panama, Punta Galeta and the San Blas Archipelago. At Punta Galeta, affected by the mortality in January 1983, the numbers of D. antillarum changed from an estimated 14,000 per ha in June 1982 to 0.5 per ha in May 1983; by February 1984 they had increased to 38 per ha. In the San Blas, where mass mortality started in April 1983, the number of D. antillarum in permanent quadrats on 8 reefs was reduced by an average of 94.2%. The average reduction in population density measured in transects on nine reefs was 98.9%. Data taken in permanent quadrats on four reefs in 1978, 1979 and 1980 indicate that population fluctuations of D. antillarum are normally much smaller, justifying the labeling of the 1983 event as “mass mortality”. Size structure of the San Blas populations was also affected; mean test diameter of D. antillarum on four reefs was reduced from 48.6 mm to 25.0 mm. Other echinoids ( Echinometra viridis, E. lucunter, Lytechinus variegatus, L. williamsi, Eucidaris tribuloides, Tripneustes ventricosus, Clypeaster rosaceus and Echinoneus cyclostomus) suffered no ill effects at either Galeta or the San Blas; their population densities remained stable or increased. Density determinations of Diadema mexicanum at the island of Taboguilla on the Pacific side of Panama indicate that Diadema mass mortality did not extend to the eastern Pacific. Sea surface temperatures, tidal levels, rainfall and salinity showed no abnormal fluctuations during the time of D. antillarum mass mortality at Galeta, suggesting that mortality was not due to physical stress. The wide geographical spread and species-specificity of the mortality suggest a water-borne pathogen as the most likely causative agent. Recovery of D. antillarum

  2. Grain Size Biasing of 230Th-derived Focusing Factors in the Panama Basin

    Science.gov (United States)

    Loveley, M. R.; Marcantonio, F.; Lyle, M. W.; Ibrahim, R.; Wang, J. K.; Hertzberg, J. E.

    2014-12-01

    In this study, we attempt to understand how differing grain size classes in Panama Basin sediments may create biasing of 230Th as a constant-flux proxy. Greater amounts of 230Th are contained in fine grained particles, which, if fractionated from coarser grained counterparts may lead to biasing of 230Th-derived mass accumulation rates (MARs) and sediment focusing factors. We examined sediments that span the past 25 kyr from four new sediment cores retrieved from two different localities close to the ridges that bound the Panama Basin. Each locality contained paired sites that were seismically interpreted to have undergone sediment redistribution, i.e., thick focused sites versus thin winnowed sites. Two sediment cores were retrieved from the northern part of the Panama basin, Cocos Ridge, (MV1014-01-"4JC", 5° 44.7'N 85° 45.5' W, 1730 m depth; MV1014-01-"8JC", 6° 14.0'N 86° 2.6' W, 1993 m depth), and two were retrieved from the southern part of the basin, Carnegie Ridge, (MV1014-02-"11JC", 0° 41.6'S 85° 20.0' W, 2452 m depth; MV1014-02-"17JC" 0° 10.8'S 85° 52.0' W, 2846 m depth). Cores 4JC and 11JC lie closer to the ridge tops of the Cocos and Carnegie Ridges, respectively, and have thin sediment drapes, while deeper cores, 8JC (Cocos) and 17JC (Carnegie), have thicker sediment drapes and lie downslope from the ridge top cores. Age-model-derived sand MARs, which likely represent the vertical rain of particles that cannot be transported by bottom currents, are similar at each of the paired sites in Holocene and glacial time slices. However, 230Th-normalized MARs are about 50% lower, on average at each of the paired sites during the same time slices. Both Holocene and glacial samples from "thin" cores (4,11JC) contain, surprisingly, significant amounts (up to 50%) of the 230Th within the coarse grained (>63 μm) fraction which makes up 40-70% of the bulk samples analyzed. On the contrary, Holocene and glacial samples from "thick" cores, (8,17JC), contain the

  3. Quaternary outer fore-arc deformation and uplift inboard of the Panama Triple Junction, Burica Peninsula

    Science.gov (United States)

    Morell, Kristin D.; Fisher, Donald M.; Gardner, Thomas W.; La Femina, Peter; Davidson, Daniel; Teletzke, Allison

    2011-05-01

    The Panama Triple Junction (Cocos-Nazca-Caribbean) represents the point that abruptly separates the thick and rapidly subducting Cocos plate to the northwest from the thin and obliquely subducting Nazca plate to the southeast along the Central American convergent margin. New structural and geomorphic analyses on the Burica Peninsula, an outer fore-arc peninsula located only ˜100 km inboard the Panama Triple Junction, reveal that the peninsula is dominated primarily by contractional deformation along three listric thrust faults that root in the underlying plate boundary. The geometry and spatial distribution of these thrusts indicate that this deformation occurs primarily in response to the change in crustal thickness occurring as a result of eastern migration of the flank of the Cocos Ridge coeval with migration of the Panama Triple Junction at a rate of ˜55 mm/yr to the southeast. Mapping and detailed elevation surveys reveal eight marine terraces on the peninsula with a distribution of inner edge elevations indicating that uplift is spatially uniform from north to south along strike in this area. However, terraces along the northwest part of the peninsula are offset across major thrust faults. Age control provided by 14C, OSL and soil chronosequences indicate that the terraces within the easternmost portion of the peninsula range in age from Marine Isotope Stage (MIS) 3 to Holocene, a result that indicates that this portion of the peninsula is younger than ˜60 ka. Time-averaged uplift rates calculated from marine terraces and other Quaternary marine deposits yield consistent uplift rates that range between 2.1 ± 0.1 and 7.7 ± 0.5 mm/yr for samples older than 1 ka and between 6.9 ± 1.0 and 19.3 ± 8.0 mm/yr for samples younger than 1 ka. We interpret this temporal distribution in uplift rates to suggest that the eight terraces preserved on the peninsula are produced coseismically wherein the anomalously high uplift rates calculated from the youngest samples

  4. Lower Miocene stratigraphy along the Panama Canal and its bearing on the Central American Peninsula.

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    Michael Xavier Kirby

    Full Text Available Before the formation of the Central American Isthmus, there was a Central American Peninsula. Here we show that southern Central America existed as a peninsula as early as 19 Ma, based on new lithostratigraphic, biostratigraphic and strontium chemostratigraphic analyses of the formations exposed along the Gaillard Cut of the Panama Canal. Land mammals found in the Miocene Cucaracha Formation have similar body sizes to conspecific taxa in North America, indicating that there existed a terrestrial connection with North America that allowed gene flow between populations during this time. How long did this peninsula last? The answer hinges on the outcome of a stratigraphic dispute: To wit, is the terrestrial Cucaracha Formation older or younger than the marine La Boca Formation? Previous stratigraphic studies of the Panama Canal Basin have suggested that the Cucaracha Formation lies stratigraphically between the shallow-marine Culebra Formation and the shallow-to-upper-bathyal La Boca Formation, the latter containing the Emperador Limestone. If the La Boca Formation is younger than the Cucaracha Formation, as many think, then the peninsula was short-lived (1-2 m.y., having been submerged in part by the transgression represented by the overlying La Boca Formation. On the other hand, our data support the view that the La Boca Formation is older than the Cucaracha Formation. Strontium dating shows that the La Boca Formation is older (23.07 to 20.62 Ma than both the Culebra (19.83-19.12 Ma and Cucaracha (Hemingfordian to Barstovian North American Land Mammal Ages; 19-14 Ma formations. The Emperador Limestone is also older (21.24-20.99 Ma than the Culebra and Cucaracha formations. What has been called the "La Boca Formation" (with the Emperador Limestone, is re-interpreted here as being the lower part of the Culebra Formation. Our new data sets demonstrate that the main axis of the volcanic arc in southern Central America more than likely existed as a

  5. La importancia de los números especiales “fin de temporada” de la revista 6Toros6 como fuente de información especializada para la práctica periodística

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    María Verónica de Haro de San Mateo

    2010-01-01

    Full Text Available Este artículo estudia los números especiales “fin de temporada” editados por la revista 6TOROS6 con el objetivo de poner de relieve su importancia como fuente de información especializada para la práctica periodística. Los procedimientos metodológicos empleados han consistido en la descripción y el estudio de contenido de los ciento treinta y nueve ejemplares especiales publicados por este prestigioso semanario especializado en tauromaquia. Dicho estudio nos ha permitido constatar la objetividad de los apéndices estadísticos contenidos en estos anuarios así como el grado de especialización de los profesionales que los confeccionan. Y entre otros, estos valores nos han permitido concluir que los especiales “fin de temporada” de la revista 6TOROS6 son una válida y muy útil herramienta documental para el ejercicio de la actividad periodística.

  6. A Fuzzy Logic-Based Approach for Estimation of Dwelling Times of Panama Metro Stations

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    Aranzazu Berbey Alvarez

    2015-04-01

    Full Text Available Passenger flow modeling and station dwelling time estimation are significant elements for railway mass transit planning, but system operators usually have limited information to model the passenger flow. In this paper, an artificial-intelligence technique known as fuzzy logic is applied for the estimation of the elements of the origin-destination matrix and the dwelling time of stations in a railway transport system. The fuzzy inference engine used in the algorithm is based in the principle of maximum entropy. The approach considers passengers’ preferences to assign a level of congestion in each car of the train in function of the properties of the station platforms. This approach is implemented to estimate the passenger flow and dwelling times of the recently opened Line 1 of the Panama Metro. The dwelling times obtained from the simulation are compared to real measurements to validate the approach.

  7. Study of the corrosion products formed on carbon steels in the tropical atmosphere of Panama

    Energy Technology Data Exchange (ETDEWEB)

    Jaen, J. A.; Villalaz, M. S. de; Araque, L. de; Hernandez, C.; Bosquez, A. de

    2003-07-01

    Moessbauer spectroscopy and X-ray powder diffraction (in selected samples) have been used to characterize corrosion products on carbon steels after atmospheric exposure to the tropical Panamanian locations of Panama and Colon, classified according to ISO 9233 as C3 and C5, respectively. Goethite ({alpha}-FeOOH) of intermediate particle size (20-100 nm), lepidocrocite ({gamma}-FeOOH), a spinel phase consisting of non-stoichiometric magnetite (Fe{sub 3}-xO{sub 4}) and/or maghemita ({gamma}-Fe{sub 2}O{sub 3}) and nano-sized particles were identified in the corrosion products. The spinel phase is related to short term atmospheric exposure transforms in time to other corrosion products. The corrosion resistance increased with fraction of goethite following a saturation-type behavior. (Author) 13 refs.

  8. Genesis of an indigenous social-ecological landscape in eastern Panama

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    Divya Sharma

    2015-12-01

    Full Text Available Knowledge of the interplay between ecological and social influences in the context of land-use decision-making is sparse. To help fill this gap, we conducted participatory land-cover mapping in an indigenous territory of eastern Panama to identify factors that influenced household land-use decisions. The map illustrated a mosaic of land cover dominated by pasture. Primary discourse on influences from 35 semistructured interviews with landowners, women, and youth emphasized economic concerns, such as subsistence, and social-cultural factors, such as reticence to abandon traditional agriculture. Multivariate analysis showed that timing of family settlement helped determine proportion of forest cover, and place of origin helped determine proportion of short fallow for agriculture. Cultural norms and economic opportunities inform gendered perspectives; women perceived internal social-cultural influences and men perceived external and ecological influences on the land. Giving consideration to subsistence, traditional land uses, social organization, and women's perspectives could inform future communal reforestation.

  9. Spread of epidemic Clostridium difficile NAP1/027 in Latin America: case reports in Panama.

    Science.gov (United States)

    López-Ureña, Diana; Quesada-Gómez, Carlos; Miranda, Erick; Fonseca, Mercedes; Rodríguez-Cavallini, Evelyn

    2014-02-01

    The rate and severity of Clostridium difficile infection (CDI) have been linked to the emergence and spread of the hypervirulent toxigenic strain NAP1/027. This strain has been responsible for large outbreaks in healthcare facilities in North America and Europe and most recently in Latin America. This is the first report of the NAP1 strain in Panama. It suggests that the spread of C. difficile NAP1 throughout Latin America could be a possibility as evidenced in the following case reports. Five isolates typed as NAP1 had tcdA, tcdB, binary toxin gene cdtB and tcdC deletion. All isolates were resistant to clindamycin, fluoroquinolones and rifampicin. Under this scenario, surveillance programmes for CDI should be implemented in public health facilities in Latin America and diagnosis of CDI should be considered, especially in patients with predisposing factors.

  10. 3D inversion of aeromagnetic Data on Las Tablas District, Panama

    Science.gov (United States)

    Batista-Rodríguez, José A.; Caballero, Alberto; Pérez-Flores, Marco A.; Almaguer-Carmenates, Yuri

    2017-03-01

    We present a 3D model of Las Tablas District, Panama, obtained from the 3D inversion of aeromagnetic data, and constrained with information from surface geology, water wells and topography. The 3D model suggests the location, boundary, shape and depths of the sedimentary basin where the Mensabé and Salados rivers hydrogeological sub-basin is located. The model shows the connections between tectonics and the sedimentary basin, suggesting the probable areas for aquifers, the relations between them, their zone of recharge and discharge, and the probable zone of pollution. The inferred faults in the model may be the main recharge and discharge conduits for the groundwater and anthropogenic pollution. The geological and geometric characteristics shown in the 3D model are fundamental data for further hydrogeological and geophysical studies such as the location for future drinking water wells.

  11. A new species of Lophostoma d'Orbigny, 1836 (Chiroptera: Phyllostomidae) from Panama

    Science.gov (United States)

    Velazco, Paúl M.; Gardner, Alfred L.

    2012-01-01

    We report the discovery of a new species of Lophostoma from Panama, which we name L. kalkoae. This new species resembles L. carrikeri and L. yasuni in possessing a white venter, but is distinguishable from both by external and cranial characteristics. The new species is similar in size to L. carrikeri and L. schulzi. Lophostoma sp. nov. can be most easily recognized by its combination of white venter, postauricular patches connected by a thin line of pale hair to the white fur on the chest, elongated clitoris and swollen labia, less strongly developed lateral projection of mastoid processes, well-marked indentation on the lingual cingulum of the upper canine, well-developed P3, well-developed posterior lingual cusp on the cingulum of P4, and parastyle absent on M1 and M2. We present a dichotomous key for the genus Lophostoma and a map showing all the localities where white-bellied Lophostoma have been recorded.

  12. Evolving protected-area impacts in Panama: impact shifts show that plans require anticipation

    Science.gov (United States)

    Haruna, Akiko; Pfaff, Alexander; van den Ende, Sander; Joppa, Lucas

    2014-03-01

    Protected areas (PAs) are the leading forest conservation policy, so accurate evaluation of future PA impact is critical in conservation planning. Yet by necessity impact evaluations use past data. Here we argue that forward-looking plans should blend such evaluations with anticipation of shifts in threats. Applying improved methods to evaluate past impact, we provide rigorous support for that conceptual approach by showing that PAs’ impacts on deforestation shifted with land use. We study the Republic of Panama, where species-dense tropical forest faces real pressure. Facing variation in deforestation pressure, the PAs’ impacts varied across space and time. Thus, if shifts in pressure levels and patterns could be anticipated, that could raise impact.

  13. Diagnosis of contagious ecthyma in goats in a quarantine station in Panama

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    Angie Magaña Ch.

    2014-09-01

    Full Text Available We report an outbreak of contagious ecthyma (CE in a herd of goats at Paso Canoas quarantine station, Panama. The goats were adult intact females. Visible clinical signs became apparent from day 13 after the start of quarantine. We performed clinical examination. Serum biopsy and scabs were collected from crusted lesions in the epithelium of the lips, nose and eyelid corners. Samples were studied by histopathology,complement fixation test, transmission electron microscopy (TEM, DAS-ELISA, viral isolationand nucleic acid amplification tests. Histopathology revealed ortho and parakeratotic hyperkeratosis, epithelial hyperplasia, viral inclusion bodies, keratinocytes with balonoid degeneration, vesicles with neutrophils and degenerated cells, in superficial dermis there is marked neovascularization. Complement fixation test, DAS-ELISA and nucleic acid amplification tests resulted positive for contagious ecthyma. TEM showed viral particles, consistent with Parapoxvirus. Clinical and laboratory findings were consistent with poxvirus infection in the quarantine goat herd.

  14. Assessment of the dolphinfish Coryphaena hippurus (Perciformes: Coryphaenidae) fishery in Pacific Panama.

    Science.gov (United States)

    Guzman, Héctor M; Díaz-Ferguson, Edgardo; Vega, Angel J; Robles, Yolany A

    2015-09-01

    The dolphinfish (Coryphaena hippunis) is a highly migratory pelagic species commercially exploited by industrial, artisanal and recreational fisheries in tropical and subtropical areas of the world's oceans. Herein, we evaluated the dolphinfish industrial fishery in Pacific Panama for the first time generating a growth model and examining fluctuations in annual total catch and in catch per unit effort (CPUE) over a four-year period (2006-2009). Annual and monthly catch values and biological parameters of 14913 individuals were obtained onboard industrial vessels, landing sites and records from processing plants. Size frequency for industrial vessels showed a normal distribution between 353 and 1,715 mm (average, 1010.85 mm; n = 10,459). Fish weight averaged 4.94 kg (SD). Sex ratio was slightly biased toward females. More than 90% of the analyzed fish were sexually mature. The length-weight relationship was positive and significant, reflecting allometric growth. Growth parameters using the von Bertalanffy equation revealed a growth efficiency of θ = 4.61, which is within the reported range for Coryphaena hippurus (3.95-4.70). The largest fish were between age classes 2 and 3 (700 - 1400 mm). Total catch per year and catch per unit effort (CPUE) per year fluctuated, with the highest values recorded between 2008 and 2009. Catch values reported herein are preliminary and appear to be below those recorded elsewhere in the region and cautiously may represent an indicator of sustainable use of this marine resource even considering the absence of management actions in Panama.

  15. Ancient nursery area for the extinct giant shark megalodon from the Miocene of Panama.

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    Catalina Pimiento

    Full Text Available BACKGROUND: As we know from modern species, nursery areas are essential shark habitats for vulnerable young. Nurseries are typically highly productive, shallow-water habitats that are characterized by the presence of juveniles and neonates. It has been suggested that in these areas, sharks can find ample food resources and protection from predators. Based on the fossil record, we know that the extinct Carcharocles megalodon was the biggest shark that ever lived. Previous proposed paleo-nursery areas for this species were based on the anecdotal presence of juvenile fossil teeth accompanied by fossil marine mammals. We now present the first definitive evidence of ancient nurseries for C. megalodon from the late Miocene of Panama, about 10 million years ago. METHODOLOGY/PRINCIPAL FINDINGS: We collected and measured fossil shark teeth of C. megalodon, within the highly productive, shallow marine Gatun Formation from the Miocene of Panama. Surprisingly, and in contrast to other fossil accumulations, the majority of the teeth from Gatun are very small. Here we compare the tooth sizes from the Gatun with specimens from different, but analogous localities. In addition we calculate the total length of the individuals found in Gatun. These comparisons and estimates suggest that the small size of Gatun's C. megalodon is neither related to a small population of this species nor the tooth position within the jaw. Thus, the individuals from Gatun were mostly juveniles and neonates, with estimated body lengths between 2 and 10.5 meters. CONCLUSIONS/SIGNIFICANCE: We propose that the Miocene Gatun Formation represents the first documented paleo-nursery area for C. megalodon from the Neotropics, and one of the few recorded in the fossil record for an extinct selachian. We therefore show that sharks have used nursery areas at least for 10 millions of years as an adaptive strategy during their life histories.

  16. Historical, Demographic, and Economic Correlates of Land-Use Change in the Republic of Panama

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    Mirna Julieta. Samaniego

    2008-12-01

    Full Text Available The Republic of Panama recently experienced a limited forest transition. After five decades of decline, the total forest cover increased by 0.36% yr-1 between 1992 and 2000; however, mature forest cover simultaneously decreased by 1.3% yr-1. This limited forest transition at the national scale comprised two distinctly different patterns of recent forest-cover change related to historical land use. Districts that were largely deforested when the first national survey of forest cover was completed in 1947 experienced a strong forest transition between 1992 and 2000. In these, the proportion of the population employed in agriculture decreased by an average of 31% and natural secondary forest succession increased the total forest cover by an average of 85% between 1992 and 2000. In contrast, no forest transition was evident for districts that were largely forested in 1947. In these, the absolute number of people employed in agriculture remained constant, old-growth forest cover decreased by 8% on average, and natural secondary forest succession increased, so that the total forest cover tended to be static between 1992 and 2000. Historical land use, an index of human poverty, and the population density of agricultural workers explained 61% of the among-district variation in forest cover in 2000, with forest concentrated in areas where populations were small and poor. Historical land use and gross income per hectare from agriculture explained 23.5% of the among-district variation in forest-cover change between 1992 and 2000. The early history of forest loss, an uneven distribution of people, and disparities in farm income contributed to the limited forest transition observed in Panama.

  17. Role of Temperature, Humidity and Rainfall on Influenza Transmission in Guatemala, El Salvador and Panama

    Science.gov (United States)

    Soebiyanto, Radina P.; Bonilla, Luis; Jara, Jorge; McCracken, John; Azziz?-Baumgartner, Eduardo; Widdowson, Marc-Alain; Kiang, Richard

    2012-01-01

    Worldwide, seasonal influenza causes about 500,000 deaths and 5 million severe illnesses per year. The environmental drivers of influenza transmission are poorly understood especially in the tropics. We aimed to identify meteorological factors for influenza transmission in tropical Central America. We gathered laboratory-confirmed influenza case-counts by week from Guatemala City, San Salvador Department (El Salvador) and Panama Province from 2006 to 2010. The average total cases per year were: 390 (Guatemala), 99 (San Salvador) and 129 (Panama). Meteorological factors including daily air temperature, rainfall, relative and absolute humidity (RH, AH) were obtained from ground stations, NASA satellites and land models. For these factors, we computed weekly averages and their deviation from the 5-yr means. We assessed the relationship between the number of influenza case-counts and the meteorological factors, including effects lagged by 1 to 4 weeks, using Poisson regression for each site. Our results showed influenza in San Salvador would increase by 1 case within a week of every 1 day with RH>75% (Relative Risk (RR)= 1.32, p=.001) and every 1C increase in minimum temperature (RR=1.29, p=.007) but it would decrease by 1 case for every 1mm-above mean weekly rainfall (RR=0.93,pGuatemala had 1 case increase for every 1C increase in minimum temperature in the previous week (RR=1.21, p<.001), and for every 1mm/day-above normal increase of rainfall rate (RR=1.03, p=.03) (model pseudo-R2=0.54). Our findings that cases increase with temperature and humidity differ from some temperate-zone studies. But they indicate that climate parameters such as humidity and temperature could be predictive of influenza activity and should be incorporated into country-specific influenza transmission models

  18. Desiccation resistance in tropical insects: causes and mechanisms underlying variability in a Panama ant community.

    Science.gov (United States)

    Bujan, Jelena; Yanoviak, Stephen P; Kaspari, Michael

    2016-09-01

    Desiccation resistance, the ability of an organism to reduce water loss, is an essential trait in arid habitats. Drought frequency in tropical regions is predicted to increase with climate change, and small ectotherms are often under a strong desiccation risk. We tested hypotheses regarding the underexplored desiccation potential of tropical insects. We measured desiccation resistance in 82 ant species from a Panama rainforest by recording the time ants can survive desiccation stress. Species' desiccation resistance ranged from 0.7 h to 97.9 h. We tested the desiccation adaptation hypothesis, which predicts higher desiccation resistance in habitats with higher vapor pressure deficit (VPD) - the drying power of the air. In a Panama rainforest, canopy microclimates averaged a VPD of 0.43 kPa, compared to a VPD of 0.05 kPa in the understory. Canopy ants averaged desiccation resistances 2.8 times higher than the understory ants. We tested a number of mechanisms to account for desiccation resistance. Smaller insects should desiccate faster given their higher surface area to volume ratio. Desiccation resistance increased with ant mass, and canopy ants averaged 16% heavier than the understory ants. A second way to increase desiccation resistance is to carry more water. Water content was on average 2.5% higher in canopy ants, but total water content was not a good predictor of ant desiccation resistance or critical thermal maximum (CT max), a measure of an ant's thermal tolerance. In canopy ants, desiccation resistance and CT max were inversely related, suggesting a tradeoff, while the two were positively correlated in understory ants. This is the first community level test of desiccation adaptation hypothesis in tropical insects. Tropical forests do contain desiccation-resistant species, and while we cannot predict those simply based on their body size, high levels of desiccation resistance are always associated with the tropical canopy.

  19. Low Predictability of Colour Polymorphism in Introduced Guppy (Poecilia reticulata Populations in Panama.

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    Celestino Martínez

    Full Text Available Colour polymorphism is a recurrent feature of natural populations, and its maintenance has been studied in a range of taxa in their native ranges. However, less is known about whether (and how colour polymorphism is maintained when populations are removed from their native environments, as in the case of introduced species. We here address this issue by analyzing variation in colour patterns in recently-discovered introduced populations of the guppy (Poecilia reticulata in Panama. Specifically, we use classic colour analysis to estimate variation in the number and the relative area of different colour spots across low predation sites in the introduced Panamanian range of the species. We then compare this variation to that found in the native range of the species under low- and high predation regimes. We found aspects of the colour pattern that were both consistent and inconsistent with the classical paradigm of colour evolution in guppies. On one hand, the same colours that dominated in native populations (orange, iridescent and black were also the most dominant in the introduced populations in Panama. On the other, there were no clear differences between either introduced-low and native low- and high predation populations. Our results are therefore only partially consistent with the traditional role of female preference in the absence of predators, and suggest that additional factors could influence colour patterns when populations are removed from their native environments. Future research on the interaction between female preference and environmental variability (e.g. multifarious selection, could help understand adaptive variation in this widely-introduced species, and the contexts under which variation in adaptive traits parallels (or not variation in the native range.

  20. Low Predictability of Colour Polymorphism in Introduced Guppy (Poecilia reticulata) Populations in Panama.

    Science.gov (United States)

    Martínez, Celestino; Chavarría, Carmen; Sharpe, Diana M T; De León, Luis Fernando

    2016-01-01

    Colour polymorphism is a recurrent feature of natural populations, and its maintenance has been studied in a range of taxa in their native ranges. However, less is known about whether (and how) colour polymorphism is maintained when populations are removed from their native environments, as in the case of introduced species. We here address this issue by analyzing variation in colour patterns in recently-discovered introduced populations of the guppy (Poecilia reticulata) in Panama. Specifically, we use classic colour analysis to estimate variation in the number and the relative area of different colour spots across low predation sites in the introduced Panamanian range of the species. We then compare this variation to that found in the native range of the species under low- and high predation regimes. We found aspects of the colour pattern that were both consistent and inconsistent with the classical paradigm of colour evolution in guppies. On one hand, the same colours that dominated in native populations (orange, iridescent and black) were also the most dominant in the introduced populations in Panama. On the other, there were no clear differences between either introduced-low and native low- and high predation populations. Our results are therefore only partially consistent with the traditional role of female preference in the absence of predators, and suggest that additional factors could influence colour patterns when populations are removed from their native environments. Future research on the interaction between female preference and environmental variability (e.g. multifarious selection), could help understand adaptive variation in this widely-introduced species, and the contexts under which variation in adaptive traits parallels (or not) variation in the native range.

  1. Low Predictability of Colour Polymorphism in Introduced Guppy (Poecilia reticulata) Populations in Panama

    Science.gov (United States)

    Martínez, Celestino; Chavarría, Carmen; Sharpe, Diana M. T.; De León, Luis Fernando

    2016-01-01

    Colour polymorphism is a recurrent feature of natural populations, and its maintenance has been studied in a range of taxa in their native ranges. However, less is known about whether (and how) colour polymorphism is maintained when populations are removed from their native environments, as in the case of introduced species. We here address this issue by analyzing variation in colour patterns in recently-discovered introduced populations of the guppy (Poecilia reticulata) in Panama. Specifically, we use classic colour analysis to estimate variation in the number and the relative area of different colour spots across low predation sites in the introduced Panamanian range of the species. We then compare this variation to that found in the native range of the species under low- and high predation regimes. We found aspects of the colour pattern that were both consistent and inconsistent with the classical paradigm of colour evolution in guppies. On one hand, the same colours that dominated in native populations (orange, iridescent and black) were also the most dominant in the introduced populations in Panama. On the other, there were no clear differences between either introduced-low and native low- and high predation populations. Our results are therefore only partially consistent with the traditional role of female preference in the absence of predators, and suggest that additional factors could influence colour patterns when populations are removed from their native environments. Future research on the interaction between female preference and environmental variability (e.g. multifarious selection), could help understand adaptive variation in this widely-introduced species, and the contexts under which variation in adaptive traits parallels (or not) variation in the native range. PMID:26863538

  2. Soil nutrient-landscape relationships in a lowland tropical rainforest in Panama

    Science.gov (United States)

    Barthold, F.K.; Stallard, R.F.; Elsenbeer, H.

    2008-01-01

    Soils play a crucial role in biogeochemical cycles as spatially distributed sources and sinks of nutrients. Any spatial patterns depend on soil forming processes, our understanding of which is still limited, especially in regards to tropical rainforests. The objective of our study was to investigate the effects of landscape properties, with an emphasis on the geometry of the land surface, on the spatial heterogeneity of soil chemical properties, and to test the suitability of soil-landscape modeling as an appropriate technique to predict the spatial variability of exchangeable K and Mg in a humid tropical forest in Panama. We used a design-based, stratified sampling scheme to collect soil samples at 108 sites on Barro Colorado Island, Panama. Stratifying variables are lithology, vegetation and topography. Topographic variables were generated from high-resolution digital elevation models with a grid size of 5 m. We took samples from five depths down to 1 m, and analyzed for total and exchangeable K and Mg. We used simple explorative data analysis techniques to elucidate the importance of lithology for soil total and exchangeable K and Mg. Classification and Regression Trees (CART) were adopted to investigate importance of topography, lithology and vegetation for the spatial distribution of exchangeable K and Mg and with the intention to develop models that regionalize the point observations using digital terrain data as explanatory variables. Our results suggest that topography and vegetation do not control the spatial distribution of the selected soil chemical properties at a landscape scale and lithology is important to some degree. Exchangeable K is distributed equally across the study area indicating that other than landscape processes, e.g. biogeochemical processes, are responsible for its spatial distribution. Lithology contributes to the spatial variation of exchangeable Mg but controlling variables could not be detected. The spatial variation of soil total K

  3. Assessment of the efficiency and water productivity in the Spanish irrigation associations "Canal Toro-Zamora" and "Canal Villagonzalo" from the Duero basin

    Science.gov (United States)

    Rodriguez-Sinobas, Leonor; Amado Mendoza Hidalgo, Edwin

    2017-04-01

    Within a water scarcity scenario, the irrigated agriculture economic sector would be affected by the reduction on water supply and this might have a negative impact on the National gross income. Water for irrigation in Spain comprises the 75% of total consumption. Therefore, the search for irrigation strategies dealing with sustainable irrigation by saving water and improving the environment quality is encouraged. Within this framework the assessment of water use in the irrigation districts to assist water stakeholder decisions is reinforced. Water resources can be assessed at field scheme or regional scale by analyzing the water use efficiency and the water productivity indicators. Which determine the water availability and the water supply quality in irrigation areas. Among then, the following are broadly used: water productivity WP, and irrigation water productivity IWP, annual relative water supply (ARWS) and the annual relative irrigation water supply (ARIS). Keeping in mind the water scarcity scenario for irrigation in the short and long term and the probably scenario of water allocation for different uses following criteria of efficiency and productivity, this work is aimed at assessing the water use efficiency and water productivity of two modernized Spanish irrigation districts CCRRs: "Canal Toro-Zamora" and "Canal Villagonzalo" from the Duero basin. For that purpose, the above indicators were estimated for years 2014 and 2015. Crop water requirements are needed to calculate the indicators. For this study, maize was chosen since it is the major crop in the area and its water needs were estimated with the FAO program Cropwat. Local crop coefficients (Kc) were determined with the open access application SpiderWebGis (http://maps.spiderwebgis.org/webgis/) which uses satelital images to monitor Kc coefficients in all crops across Spain. In both CCRRs the maize Kc coefficients were similar for all the phenology stages although a slightly spatial variability was

  4. A new species of Heliconia (Heliconiaceae with pendent inflorescence, from Chucantí Private Nature Reserve, eastern Panama

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    Rodolfo Flores

    2017-02-01

    Full Text Available Heliconia berguidoi (Heliconiaceae, a new species from premontane forest of eastern Panama, is described, illustrated and its conservation status evaluated. H. berguidoi bears pink flowers, an uncommon color in this group. It differs from the Colombian species Heliconia rhodantha and Heliconia sanctae-theresae, the most similar taxa, by the combination of a petiole glabrous except for the woolly base, a very long peduncle, the perianth pubescent at the apex and staminode with cuspidate apex. H. berguidoi is also similar to Heliconia pogonantha in all four of its varieties and to Heliconia ramonensis in two of its four varieties, but differs by a combination of the long peduncle, pink flowers and staminode with cuspidate apex. Fifty-six Heliconia species have been found in Panama, eighteen of them endemic.

  5. Along the Road: The Ngäbe-Buglé Struggle to Protect Environmental Resources in Panama

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    Rogelio Cansari

    2013-09-01

    Full Text Available Indigenous people in Panama do not enjoy full autonomy within their comarcas (traditional land reserves: they only control surface resources, while the state retains control of underground resources. This article analyses direct action by the Ngäbe-Buglé, who successfully defeated the latest attempt by the government to exploit underground resources within their comarcas. It describes government strategies for retaining control over Indigenous people’s land and analyses how the Ngäbe-Buglé counteracted these strategies with support from burgeoning civil society movements. We argue that this is due to an unprecedented alliance between Indigenous people and other social movements in Panama, as well as to the fact that Indigenous people have succeeded in federating all major civil society organizations around their discourses and actions.

  6. A new species of Heliconia (Heliconiaceae) with pendent inflorescence, from Chucantí Private Nature Reserve, eastern Panama

    OpenAIRE

    Rodolfo Flores; Carla Black; Alicia Ibáñez

    2017-01-01

    Heliconia berguidoi (Heliconiaceae), a new species from premontane forest of eastern Panama, is described, illustrated and its conservation status evaluated. H. berguidoi bears pink flowers, an uncommon color in this group. It differs from the Colombian species Heliconia rhodantha and Heliconia sanctae-theresae, the most similar taxa, by the combination of a petiole glabrous except for the woolly base, a very long peduncle, the perianth pubescent at the apex and staminode with cuspidate apex....

  7. Estimating national landfill methane emissions: an application of the 2006 Intergovernmental Panel on Climate Change Waste Model in Panama.

    Science.gov (United States)

    Weitz, Melissa; Coburn, Jeffrey B; Salinas, Edgar

    2008-05-01

    This paper estimates national methane emissions from solid waste disposal sites in Panama over the time period 1990-2020 using both the 2006 Intergovernmental Panel on Climate Change (IPCC) Waste Model spreadsheet and the default emissions estimate approach presented in the 1996 IPCC Good Practice Guidelines. The IPCC Waste Model has the ability to calculate emissions from a variety of solid waste disposal site types, taking into account country- or region-specific waste composition and climate information, and can be used with a limited amount of data. Countries with detailed data can also run the model with country-specific values. The paper discusses methane emissions from solid waste disposal; explains the differences between the two methodologies in terms of data needs, assumptions, and results; describes solid waste disposal circumstances in Panama; and presents the results of this analysis. It also demonstrates the Waste Model's ability to incorporate landfill gas recovery data and to make projections. The former default method methane emissions estimates are 25 Gg in 1994, and range from 23.1 Gg in 1990 to a projected 37.5 Gg in 2020. The Waste Model estimates are 26.7 Gg in 1994, ranging from 24.6 Gg in 1990 to 41.6 Gg in 2020. Emissions estimates for Panama produced by the new model were, on average, 8% higher than estimates produced by the former default methodology. The increased estimate can be attributed to the inclusion of all solid waste disposal in Panama (as opposed to only disposal in managed landfills), but the increase was offset somewhat by the different default factors and regional waste values between the 1996 and 2006 IPCC guidelines, and the use of the first-order decay model with a time delay for waste degradation in the IPCC Waste Model.

  8. Domestication of the neotropical tree Chrysophyllum cainito from a geographically limited yet genetically diverse gene pool in Panama.

    Science.gov (United States)

    Petersen, Jennifer J; Parker, Ingrid M; Potter, Daniel

    2014-03-01

    Species in the early stages of domestication, in which wild and cultivated forms co-occur, provide important opportunities to develop and test hypotheses about the origins of crop species. Chrysophyllum cainito (Sapotaceae), the star apple or caimito, is a semidomesticated tree widely cultivated for its edible fruits; it is known to be native to the neotropics, but its precise geographic origins have not been firmly established. Here, we report results of microsatellite marker analyses supporting the hypothesis that the center of domestication for caimito was the Isthmus of Panama, a region in which few crop species are believed to have originated, despite its importance as a crossroads for the dispersal of domesticated plants between North and South America. Our data suggest that caimito was domesticated in a geographically restricted area while incorporating a diverse gene pool. These results refute the generally accepted Antillean origin of caimito, as well as alternative hypotheses that the species was domesticated independently in the two areas or over a broad geographic range including both. Human-mediated dispersal from Panama to the north and east was accompanied by strong reductions in both genotypic and phenotypic diversity. Within Panama, cultivated and wild trees show little neutral genetic divergence, in contrast to striking phenotypic differentiation in fruit and seed traits. In addition to providing a rare example of data that support the hypothesis of a narrow geographic origin on the Isthmus of Panama for a now widespread cultivated plant species, this study is one of the first investigations of the origins of an edible species of the large pantropical family Sapotaceae.

  9. Exhumation of the Panama basement complex and basins: Implications for the closure of the Central American seaway

    Science.gov (United States)

    Ramírez, Diego A.; Foster, David A.; Min, Kyoungwon; Montes, Camilo; Cardona, Agustín.; Sadove, Gephen

    2016-05-01

    The emergence of the Central American isthmus occurred episodically from Eocene to Pliocene time and was caused by a series of tectonic and volcanic processes. Results from zircon U-Pb geochronology, zircon (U-Th)/He (ZHe) and apatite (U-Th)/He (AHe) thermochronology, and zircon Lu-Hf isotopic data from sedimentary (sandstones and recent river sands) and plutonic rocks from the Azuero Peninsula and Central Panama document the exhumation and uplift history of the Panamanian basement complex. Our data support previous paleobotanical and thermochronological studies that suggest that by middle Eocene time some areas of Central Panama and Azuero Peninsula were exposed above sea level as a series of islands surrounded by shallow open marine waters. The Gatuncillo, Cobachón and Tonosí formations were deposited during this partial emergence. Transtension in the Oligocene-early Miocene produced various pull-apart basins (e.g., the Canal Basin) and local uplift that exhumed the Eocene strata (Gatuncillo and Cobachón formations). This event probably reduced circulation between the Pacific Ocean and the Caribbean Sea. The Tonosí Formation records late Miocene to Pleistocene cooling and exhumation, which may be related to uplift above the subducting Coiba Ridge. These results suggest that the emergence of the Isthmus of Panama followed a series of diachronous events that led to the final closure of the Central American seaway.

  10. Institutional Delivery and Satisfaction among Indigenous and Poor Women in Guatemala, Mexico, and Panama.

    Science.gov (United States)

    Colombara, Danny V; Hernández, Bernardo; Schaefer, Alexandra; Zyznieuski, Nicholas; Bryant, Miranda F; Desai, Sima S; Gagnier, Marielle C; Johanns, Casey K; McNellan, Claire R; Palmisano, Erin B; Ríos-Zertuche, Diego; Zúñiga-Brenes, Paola; Iriarte, Emma; Mokdad, Ali H

    2016-01-01

    Indigenous women in Mesoamerica experience disproportionately high maternal mortality rates and are less likely to have institutional deliveries. Identifying correlates of institutional delivery, and satisfaction with institutional deliveries, may help improve facility utilization and health outcomes in this population. We used baseline surveys from the Salud Mesoamérica Initiative to analyze data from 10,895 indigenous and non-indigenous women in Guatemala and Mexico (Chiapas State) and indigenous women in Panama. We created multivariable Poisson regression models for indigenous (Guatemala, Mexico, Panama) and non-indigenous (Guatemala, Mexico) women to identify correlates of institutional delivery and satisfaction. Compared to their non-indigenous peers, indigenous women were substantially less likely to have an institutional delivery (15.2% vs. 41.5% in Guatemala (PMexico (Pwomen). Indigenous women who had at least one antenatal care visit were more than 90% more likely to have an institutional delivery (adjusted risk ratio (aRR) = 1.94, 95% confidence interval (CI): 1.44-2.61), compared to those who had no visits. Indigenous women who were advised to give birth in a health facility (aRR = 1.46, 95% CI: 1.18-1.81), primiparous (aRR = 1.44, 95% CI: 1.24-1.68), informed that she should have a Caesarean section (aRR = 1.41, 95% CI: 1.21-1.63), and had a secondary or higher level of education (aRR = 1.36, 95% CI: 1.04-1.79) also had substantially higher likelihoods of institutional delivery. Satisfaction among indigenous women was associated with being able to be accompanied by a community health worker (aRR = 1.15, 95% CI: 1.05-1.26) and facility staff speaking an indigenous language (aRR = 1.10, 95% CI: 1.02-1.19). Additional effort should be exerted to increase utilization of birthing facilities by indigenous and poor women in the region. Improving access to antenatal care and opportunities for higher-level education may increase institutional delivery rates

  11. Climate Change Impact Uncertainties for Maize in Panama: Farm Information, Climate Projections, and Yield Sensitivities

    Science.gov (United States)

    Ruane, Alex C.; Cecil, L. Dewayne; Horton, Radley M.; Gordon, Roman; McCollum, Raymond (Brown, Douglas); Brown, Douglas; Killough, Brian; Goldberg, Richard; Greeley, Adam P.; Rosenzweig, Cynthia

    2011-01-01

    We present results from a pilot project to characterize and bound multi-disciplinary uncertainties around the assessment of maize (Zea mays) production impacts using the CERES-Maize crop model in a climate-sensitive region with a variety of farming systems (Panama). Segunda coa (autumn) maize yield in Panama currently suffers occasionally from high water stress at the end of the growing season, however under future climate conditions warmer temperatures accelerate crop maturation and elevated CO (sub 2) concentrations improve water retention. This combination reduces end-of-season water stresses and eventually leads to small mean yield gains according to median projections, although accelerated maturation reduces yields in seasons with low water stresses. Calibrations of cultivar traits, soil profile, and fertilizer amounts are most important for representing baseline yields, however sensitivity to all management factors is reduced in an assessment of future yield changes (most dramatically for fertilizers), suggesting that yield changes may be more generalizable than absolute yields. Uncertainty around General Circulation Model (GCM)s' projected changes in rainfall gain in importance throughout the century, with yield changes strongly correlated with growing season rainfall totals. Climate changes are expected to be obscured by the large inter-annual variations in Panamanian climate that will continue to be the dominant influence on seasonal maize yield into the coming decades. The relatively high (A2) and low (B1) emissions scenarios show little difference in their impact on future maize yields until the end of the century. Uncertainties related to the sensitivity of CERES-Maize to carbon dioxide concentrations have a substantial influence on projected changes, and remain a significant obstacle to climate change impacts assessment. Finally, an investigation into the potential of simple statistical yield emulators based upon key climate variables characterizes the

  12. Institutional Delivery and Satisfaction among Indigenous and Poor Women in Guatemala, Mexico, and Panama.

    Directory of Open Access Journals (Sweden)

    Danny V Colombara

    Full Text Available Indigenous women in Mesoamerica experience disproportionately high maternal mortality rates and are less likely to have institutional deliveries. Identifying correlates of institutional delivery, and satisfaction with institutional deliveries, may help improve facility utilization and health outcomes in this population. We used baseline surveys from the Salud Mesoamérica Initiative to analyze data from 10,895 indigenous and non-indigenous women in Guatemala and Mexico (Chiapas State and indigenous women in Panama. We created multivariable Poisson regression models for indigenous (Guatemala, Mexico, Panama and non-indigenous (Guatemala, Mexico women to identify correlates of institutional delivery and satisfaction. Compared to their non-indigenous peers, indigenous women were substantially less likely to have an institutional delivery (15.2% vs. 41.5% in Guatemala (P<0.001, 29.1% vs. 73.9% in Mexico (P<0.001, and 70.3% among indigenous Panamanian women. Indigenous women who had at least one antenatal care visit were more than 90% more likely to have an institutional delivery (adjusted risk ratio (aRR = 1.94, 95% confidence interval (CI: 1.44-2.61, compared to those who had no visits. Indigenous women who were advised to give birth in a health facility (aRR = 1.46, 95% CI: 1.18-1.81, primiparous (aRR = 1.44, 95% CI: 1.24-1.68, informed that she should have a Caesarean section (aRR = 1.41, 95% CI: 1.21-1.63, and had a secondary or higher level of education (aRR = 1.36, 95% CI: 1.04-1.79 also had substantially higher likelihoods of institutional delivery. Satisfaction among indigenous women was associated with being able to be accompanied by a community health worker (aRR = 1.15, 95% CI: 1.05-1.26 and facility staff speaking an indigenous language (aRR = 1.10, 95% CI: 1.02-1.19. Additional effort should be exerted to increase utilization of birthing facilities by indigenous and poor women in the region. Improving access to antenatal care and

  13. Institutional Delivery and Satisfaction among Indigenous and Poor Women in Guatemala, Mexico, and Panama

    Science.gov (United States)

    Hernández, Bernardo; Schaefer, Alexandra; Zyznieuski, Nicholas; Bryant, Miranda F.; Desai, Sima S.; Gagnier, Marielle C.; Johanns, Casey K.; McNellan, Claire R.; Palmisano, Erin B.; Ríos-Zertuche, Diego; Zúñiga-Brenes, Paola; Iriarte, Emma; Mokdad, Ali H.

    2016-01-01

    Indigenous women in Mesoamerica experience disproportionately high maternal mortality rates and are less likely to have institutional deliveries. Identifying correlates of institutional delivery, and satisfaction with institutional deliveries, may help improve facility utilization and health outcomes in this population. We used baseline surveys from the Salud Mesoamérica Initiative to analyze data from 10,895 indigenous and non-indigenous women in Guatemala and Mexico (Chiapas State) and indigenous women in Panama. We created multivariable Poisson regression models for indigenous (Guatemala, Mexico, Panama) and non-indigenous (Guatemala, Mexico) women to identify correlates of institutional delivery and satisfaction. Compared to their non-indigenous peers, indigenous women were substantially less likely to have an institutional delivery (15.2% vs. 41.5% in Guatemala (P<0.001), 29.1% vs. 73.9% in Mexico (P<0.001), and 70.3% among indigenous Panamanian women). Indigenous women who had at least one antenatal care visit were more than 90% more likely to have an institutional delivery (adjusted risk ratio (aRR) = 1.94, 95% confidence interval (CI): 1.44–2.61), compared to those who had no visits. Indigenous women who were advised to give birth in a health facility (aRR = 1.46, 95% CI: 1.18–1.81), primiparous (aRR = 1.44, 95% CI: 1.24–1.68), informed that she should have a Caesarean section (aRR = 1.41, 95% CI: 1.21–1.63), and had a secondary or higher level of education (aRR = 1.36, 95% CI: 1.04–1.79) also had substantially higher likelihoods of institutional delivery. Satisfaction among indigenous women was associated with being able to be accompanied by a community health worker (aRR = 1.15, 95% CI: 1.05–1.26) and facility staff speaking an indigenous language (aRR = 1.10, 95% CI: 1.02–1.19). Additional effort should be exerted to increase utilization of birthing facilities by indigenous and poor women in the region. Improving access to antenatal care

  14. The role of temperature and humidity on seasonal influenza in tropical areas: Guatemala, El Salvador and Panama, 2008-2013.

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    Radina P Soebiyanto

    Full Text Available The role of meteorological factors on influenza transmission in the tropics is less defined than in the temperate regions. We assessed the association between influenza activity and temperature, specific humidity and rainfall in 6 study areas that included 11 departments or provinces within 3 tropical Central American countries: Guatemala, El Salvador and Panama.Logistic regression was used to model the weekly proportion of laboratory-confirmed influenza positive samples during 2008 to 2013 (excluding pandemic year 2009. Meteorological data was obtained from the Tropical Rainfall Measuring Mission satellite and the Global Land Data Assimilation System. We found that specific humidity was positively associated with influenza activity in El Salvador (Odds Ratio (OR and 95% Confidence Interval of 1.18 (1.07-1.31 and 1.32 (1.08-1.63 and Panama (OR = 1.44 (1.08-1.93 and 1.97 (1.34-2.93, but negatively associated with influenza activity in Guatemala (OR = 0.72 (0.6-0.86 and 0.79 (0.69-0.91. Temperature was negatively associated with influenza in El Salvador's west-central departments (OR = 0.80 (0.7-0.91 whilst rainfall was positively associated with influenza in Guatemala's central departments (OR = 1.05 (1.01-1.09 and Panama province (OR = 1.10 (1.05-1.14. In 4 out of the 6 locations, specific humidity had the highest contribution to the model as compared to temperature and rainfall. The model performed best in estimating 2013 influenza activity in Panama and west-central El Salvador departments (correlation coefficients: 0.5-0.9.The findings highlighted the association between influenza activity and specific humidity in these 3 tropical countries. Positive association with humidity was found in El Salvador and Panama. Negative association was found in the more subtropical Guatemala, similar to temperate regions. Of all the study locations, Guatemala had annual mean temperature and specific humidity that were lower than the

  15. The Role of Temperature and Humidity on Seasonal Influenza in Tropical Areas: Guatemala, El Salvador and Panama, 2008-2013

    Science.gov (United States)

    Soebiyanto, Radina P.; Clara, Wilfrido; Jara, Jorge; Castillo, Leticia; Sorto, Oscar Rene; Marinero, Sidia; Antinori, Maria E. Barnett de; McCracken, John P.; Widdowson, Marc-Alain; Azziz-Baumgartner, Eduardo; Kiang, Richard K.

    2014-01-01

    Background: The role of meteorological factors on influenza transmission in the tropics is less defined than in the temperate regions. We assessed the association between influenza activity and temperature, specific humidity and rainfall in 6 study areas that included 11 departments or provinces within 3 tropical Central American countries: Guatemala, El Salvador and Panama. Method/ Findings: Logistic regression was used to model the weekly proportion of laboratory-confirmed influenza positive samples during 2008 to 2013 (excluding pandemic year 2009). Meteorological data was obtained from the Tropical Rainfall Measuring Mission satellite and the Global Land Data Assimilation System. We found that specific humidity was positively associated with influenza activity in El Salvador (Odds Ratio (OR) and 95% Confidence Interval of 1.18 (1.07-1.31) and 1.32 (1.08-1.63)) and Panama (OR = 1.44 (1.08-1.93) and 1.97 (1.34-2.93)), but negatively associated with influenza activity in Guatemala (OR = 0.72 (0.6-0.86) and 0.79 (0.69-0.91)). Temperature was negatively associated with influenza in El Salvador's west-central departments (OR = 0.80 (0.7-0.91)) whilst rainfall was positively associated with influenza in Guatemala's central departments (OR = 1.05 (1.01-1.09)) and Panama province (OR = 1.10 (1.05-1.14)). In 4 out of the 6 locations, specific humidity had the highest contribution to the model as compared to temperature and rainfall. The model performed best in estimating 2013 influenza activity in Panama and west-central El Salvador departments (correlation coefficients: 0.5-0.9). Conclusions/Significance: The findings highlighted the association between influenza activity and specific humidity in these 3 tropical countries. Positive association with humidity was found in El Salvador and Panama. Negative association was found in the more subtropical Guatemala, similar to temperate regions. Of all the study locations, Guatemala had annual mean temperature and specific

  16. Herida por asta de toro en el área maxilofacial: revisión de la literatura y presentación de un caso Maxillofacial injury by bull goring: literature review and case report

    OpenAIRE

    J.L. Crespo Escudero; J. Arenaz Búa; R. Luaces Rey; Á. García-Rozado; J. Rey Biel; J.L. López-Cedrún; J.J. Montalvo Moreno

    2008-01-01

    Introducción. Las heridas por asta de toro son relativamente frecuentes en España y países iberoamericanos, donde los espectáculos con estos animales son habituales. Dichas heridas presentan unas características específicas que las diferencian de cualquier otro tipo de heridas. Material y método. Se presenta el caso de un paciente varón de 18 años, remitido al Hospital 12 de Octubre por el SAMUR tras sufrir una cornada en la región cérvicofacial durante los encierros de San Sebastián de los R...

  17. 3D virtual reconstruction of the choir of the Convent of Santa Clara in Toro (Zamora: recovering a medieval space of female devotion through photogrammetric recording and rendering techniques

    Directory of Open Access Journals (Sweden)

    Fernando Gutiérrez Baños

    2016-11-01

    Full Text Available The Convent of Santa Clara in Toro (Zamora was founded in the mid-13th century. After destruction during the Castilian civil struggles of the last years of this century, its fabric was rebuilt and it was inhabited again by the Clarissan nuns, who still occupy it.  Its architecture corresponds for the most part to its early-14th century rebuilding, even though it is concealed by works carried out from the 16th to the 18th centuries, so that it is apparently a Baroque complex.  In the 1950s, in the choir of this Medieval hidden structure, a set of wall paintings of the mid-14thcentury was brought to light (one of the most important set of wall paintings of the early Gothic period ever found in Castile, but they were immediately detached from the walls and sold. It was only after a combination of circumstances that they came back to Toro to be installed in another building, the church of San Sebastián de los Caballeros, transformed into a museum. As a consequence of all these operations, the arrangement and sense of these wall paintings was lost. The virtual three-dimensional (3D reconstruction, based on a deep analysis and criticism of historical sources and on a close inspection and photogrammetric recording of the original room once occupied by the wall paintings, enables us to place them back in their original context through the use of rendering techniques, so recovering one of the most exciting spaces of female devotion of the Castilian 14thcentury.

  18. Treatment of Displaced Indigenous Populations in Two Large Hydro Projects in Panama

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    Mary Finley-Brook

    2010-06-01

    Full Text Available Consultation practices with affected populations prior to hydro concessions often remained poor in the decade since the World Commission on Dams (WCD although, in some cases the involvement of local people in the details of resettlement has improved. Numerous international and national actors, such as state agencies, multilateral banks, corporate shareholders, and pro-business media, support the development of dams, but intergovernmental agencies struggle to assure the protection of fundamental civil, human, and indigenous rights at the permitting and construction stages. We analyse two large-scale Panamanian dams with persistent disrespect for indigenous land tenure. Free, prior, and informed consent was sidestepped even though each dam required or will require Ngöbe, Emberá, or Kuna villages to relocate. When populations protested, additional human rights violations occurred, including state-sponsored violence. International bodies are slowly identifying and denouncing this abuse of power. Simultaneously, many nongovernmental organisations (NGOs seek change in Panama consistent with WCD’s good-practice guidelines. A number of NGOs have tied hydro projects to unethical greenhouse gas (GHG emissions trade. As private and state institutions market formerly collective water and carbon resources for profit, these Panamanian cases have become central to a public debate over equitable and green hydro development. Media communication feeds disputes through frontline coverage of cooperation and confrontation.

  19. Water relations of five tropical tree species on Barro Colorado Island, Panama.

    Science.gov (United States)

    Fetcher, Ned

    1979-01-01

    Diurnal curves of xylem pressure potential (P) and leaf conductance (C) were measured for five tree species of the lowland tropical forest on Barro Colorado Island, Panama. Measurements were taken just before and just after the beginning of the rainy season. The species studied were: Cordia alliodora, Faramea occidentalis, Heisteria concinna, Macquira costaricana, and Trichilia cipo.For all species, predawn (base P) and daytime values of P increased markedly after the beginning of the rainy season. Diurnal patterns of C were quite diverse. C. alliodora showed a decline in C during the day whereas F. occidentaus, H. concinna, and M. costaricana showed little change. Conductance of the last three species was lower before the first rains. T. cipo exhibited more complicated behavior for P and C. Before the rainy season, low values of base P and midday P were observed (-26 bars and-39 bars, respectively). Conductance was also low. After the first rains, base P increased to-4 bars. At this time, midday P and C appeared to respond to vapor pressure deficit (VPD), being less on a day with high VPD than on a day with low VPD.

  20. Health care experiences of U.S. retirees living in Mexico and Panama: a qualitative study.

    Science.gov (United States)

    Sloane, Philip D; Cohen, Lauren W; Haac, Bryce E; Zimmerman, Sheryl

    2013-10-12

    Retirement migration from northern countries to southern countries is increasing in both Europe and North America, and retiree experiences will impact future migration and health services utilization. We therefore sought to describe the healthcare experiences and perceptions of retired U.S. citizens currently living in Mexico and Panama. 46 retired U.S. citizens (23 per country) who had been hospitalized (61%) or had a chronic health condition (78%) in two regions per country with large communities of retired U.S. citizens were identified. Detailed semi-structured interviews were conducted to explore experiences with, attitudes toward, and costs of healthcare. Interviews were analyzed using quantitative and qualitative methods. Respondents averaged 68-70 years old, were well educated, had few physical dependencies, and had moderate incomes. They praised physician services as more personalized than in the U.S. and home care as inexpensive and widely available, expressed favorable opinions regarding outpatient and dental care, gave mixed ratings on hospital services, and expressed concerns about emergency services. Numerous concerns about health insurance were expressed, including the unavailability of Medicare and reductions in Tricare. Payment concerns and lack of data on local health providers made deciding where to obtain services challenging. Retirees living abroad report dilemmas regarding healthcare choices, insurance availability, and quality of care. As this population segment grows, pressure will increase for policy and business solutions to existing medical care challenges.

  1. Diversity of Perceptions on REDD+ Implementation at the Agriculture Frontier in Panama

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    Guillaume Peterson St-Laurent

    2013-01-01

    Full Text Available Colonist farmers have been largely ignored to date in national consultations on reducing emissions from deforestation and forest degradation (REDD+. Yet, good practices suggest that understanding all relevant stakeholders’ perspectives, goals, and issues is a precondition for the development of successful environmental policies. The present research documents perceptions of the civil society and the government on the possibility of successfully implementing REDD+ activities with colonist farmers. The focus is on Eastern Panama. The perceptions on REDD+ vary greatly depending on the stakeholders’ origins. The government perceives REDD+ as a possibility for improving laws, increasing control over the national territory, and investing more resources for conservation and public institutions, whereas respondents from colonist backgrounds mostly insist on the potential economic benefits and/or the negative implications that could encompass REDD+. Noncolonist participants from regional, national, and international organizations instead try to balance concerns of communities and conservation objectives. Because one of our results highlighted the difficulty of colonist farmers in speaking as a united voice, we carried out a case study of a successful colonists association in order to identify the characteristics and practices found to facilitate communal organization.

  2. Biological evidence supports an early and complex emergence of the Isthmus of Panama.

    Science.gov (United States)

    Bacon, Christine D; Silvestro, Daniele; Jaramillo, Carlos; Smith, Brian Tilston; Chakrabarty, Prosanta; Antonelli, Alexandre

    2015-05-12

    The linking of North and South America by the Isthmus of Panama had major impacts on global climate, oceanic and atmospheric currents, and biodiversity, yet the timing of this critical event remains contentious. The Isthmus is traditionally understood to have fully closed by ca. 3.5 million years ago (Ma), and this date has been used as a benchmark for oceanographic, climatic, and evolutionary research, but recent evidence suggests a more complex geological formation. Here, we analyze both molecular and fossil data to evaluate the tempo of biotic exchange across the Americas in light of geological evidence. We demonstrate significant waves of dispersal of terrestrial organisms at approximately ca. 20 and 6 Ma and corresponding events separating marine organisms in the Atlantic and Pacific oceans at ca. 23 and 7 Ma. The direction of dispersal and their rates were symmetrical until the last ca. 6 Ma, when northern migration of South American lineages increased significantly. Variability among taxa in their timing of dispersal or vicariance across the Isthmus is not explained by the ecological factors tested in these analyses, including biome type, dispersal ability, and elevation preference. Migration was therefore not generally regulated by intrinsic traits but more likely reflects the presence of emergent terrain several millions of years earlier than commonly assumed. These results indicate that the dramatic biotic turnover associated with the Great American Biotic Interchange was a long and complex process that began as early as the Oligocene-Miocene transition.

  3. Epidemic disease decimates amphibian abundance, species diversity, and evolutionary history in the highlands of central Panama.

    Science.gov (United States)

    Crawford, Andrew J; Lips, Karen R; Bermingham, Eldredge

    2010-08-01

    Amphibian populations around the world are experiencing unprecedented declines attributed to a chytrid fungal pathogen, Batrachochytrium dendrobatidis. Despite the severity of the crisis, quantitative analyses of the effects of the epidemic on amphibian abundance and diversity have been unavailable as a result of the lack of equivalent data collected before and following disease outbreak. We present a community-level assessment combining long-term field surveys and DNA barcode data describing changes in abundance and evolutionary diversity within the amphibian community of El Copé, Panama, following a disease epidemic and mass-mortality event. The epidemic reduced taxonomic, lineage, and phylogenetic diversity similarly. We discovered that 30 species were lost, including five undescribed species, representing 41% of total amphibian lineage diversity in El Copé. These extirpations represented 33% of the evolutionary history of amphibians within the community, and variation in the degree of population loss and decline among species was random with respect to the community phylogeny. Our approach provides a fast, economical, and informative analysis of loss in a community whether measured by species or phylogenetic diversity.

  4. Understanding adaptation and transformation through indigenous practice: the case of the Guna of Panama

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    Marina J. Apgar

    2015-03-01

    Full Text Available Resilience is emerging as a promising vehicle for improving management of social-ecological systems that can potentially lead to more sustainable arrangements between environmental and social spheres. Central to an understanding of how to support resilience is the need to understand social change and its links with adaptation and transformation. Our aim is to contribute to insights about and understanding of underlying social dynamics at play in social-ecological systems. We argue that longstanding indigenous practices provide opportunities for investigating processes of adaptation and transformation. We use in-depth analysis of adaptation and transformation through engagement in participatory action research, focusing on the role of cultural and social practices among the Guna indigenous peoples in Panama. Our findings reveal that cultural practices facilitating leadership development, personhood development, and social networking are critical for enabling both adaptation and transformation. Further, we argue that Guna ritual practice builds additional skills, such as critical self-reflection and creative innovation, that are important for supporting the deeper changes required by transformation.

  5. Disturbance and mosquito diversity in the lowland tropical rainforest of central Panama.

    Science.gov (United States)

    Loaiza, Jose R; Dutari, Larissa C; Rovira, Jose R; Sanjur, Oris I; Laporta, Gabriel Z; Pecor, James; Foley, Desmond H; Eastwood, Gillian; Kramer, Laura D; Radtke, Meghan; Pongsiri, Montira

    2017-08-03

    The Intermediate Disturbance Hypothesis (IDH) is well-known in ecology providing an explanation for the role of disturbance in the coexistence of climax and colonist species. Here, we used the IDH as a framework to describe the role of forest disturbance in shaping the mosquito community structure, and to identify the ecological processes that increase the emergence of vector-borne disease. Mosquitoes were collected in central Panama at immature stages along linear transects in colonising, mixed and climax forest habitats, representing different levels of disturbance. Species were identified taxonomically and classified into functional categories (i.e., colonist, climax, disturbance-generalist, and rare). Using the Huisman-Olff-Fresco multi-model selection approach, IDH testing was done. We did not detect a unimodal relationship between species diversity and forest disturbance expected under the IDH; instead diversity peaked in old-growth forests. Habitat complexity and constraints are two mechanisms proposed to explain this alternative postulate. Moreover, colonist mosquito species were more likely to be involved in or capable of pathogen transmission than climax species. Vector species occurrence decreased notably in undisturbed forest settings. Old-growth forest conservation in tropical rainforests is therefore a highly-recommended solution for preventing new outbreaks of arboviral and parasitic diseases in anthropic environments.

  6. Predation by odonates depresses mosquito abundance in water-filled tree holes in Panama.

    Science.gov (United States)

    Fincke, Ola M; Yanoviak, Stephen P; Hanschu, Richard D

    1997-10-01

    In the lowland moist forest of Barro Colorado Island (BCI), Panama, larvae of four common species of odonates, a mosquito, and a tadpole are the major predators in water-filled tree holes. Mosquito larvae are their most common prey. Holes colonized naturally by predators and prey had lower densities of mosquitoes if odonates were present than if they were absent. Using artificial tree holes placed in the field, we tested the effects of odonates on their mosquito prey while controlling for the quantity and species of predator, hole volume, and nutrient input. In large and small holes with low nutrient input, odonates depressed the number of mosquitoes present and the number that survived to pupation. Increasing nutrient input (and consequently, mosquito abundance) to abnormally high levels dampened the effect of predation when odonates were relatively small. However, the predators grew faster with higher nutrients, and large larvae in all three genera reduced the number of mosquitoes surviving to pupation, even though the abundance of mosquito larvae remained high. Size-selective predation by the odonates is a likely explanation for this result; large mosquito larvae were less abundant in the predator treatment than in the controls. Because species assemblages were similar between natural and artificial tree holes, our results suggest that odonates are keystone species in tree holes on BCI, where they are the most common large predators.

  7. Physical and chemical characteristics and development of the Changuinola peat deposit of northwestern Panama

    Energy Technology Data Exchange (ETDEWEB)

    Cohen, A.D.; Raymond, R. Jr.; Thayer, G.; Ramirez, A.

    1987-08-01

    A peat deposit occupying over 80 square kilometers, and averaging 8 meters in thickness, was discovered on the Caribbean coast of northwestern Panama near the town of Changuinola. This deposit occurs inland (behind) the present beach-barrier shoreline. It is thickest in the center and thins toward all edges (as if domed). The surface vegetation in the central regions consists primarily of ombrotrophic plants (especially sedges, grasses, Sphagnum, Sagittaria, and various scattered shrubs). Toward the edges, the deposit has a surface cover of more minerotrophic plants (such as swamp-forest trees, ferns, and palms). Petrographic/botanical analysis of the deposit with depth reveals the presence of five peat types (swamp-forest, sedge-grass-fern, Sagittaria et al., Nymphaea et al., and Rhizophora). Typically peats of the thick, central portions of the deposit are very low in ash and sulfur (less than 2% ash and 0.3% sulfur). Ash contents tend to increase abruptly at the base and more gradually toward the edges of the deposit and sulfur contents increasing gradually toward the ocean and bay. Vertical and lateral variations in botanical, chemical, and physical properties of this deposit can be related to factors that have controlled: (1) the surrounding rocks and water chemistry; (2) the source vegetation; and (3) the environments in which these source ingredients were deposited. 3 refs., 10 figs.

  8. Mosquito-Host Interactions during and after an Outbreak of Equine Viral Encephalitis in Eastern Panama

    Science.gov (United States)

    Navia-Gine, Wayra G.; Loaiza, Jose R.; Miller, Matthew J.

    2013-01-01

    Mosquito blood meals provide information about the feeding habits and host preference of potential arthropod-borne disease vectors. Although mosquito-borne diseases are ubiquitous in the Neotropics, few studies in this region have assessed patterns of mosquito-host interactions, especially during actual disease outbreaks. Based on collections made during and after an outbreak of equine viral encephalitis, we identified the source of 338 blood meals from 10 species of mosquitoes from Aruza Abajo, a location in Darien province in eastern Panama. A PCR based method targeting three distinct mitochondrial targets and subsequent DNA sequencing was used in an effort to delineate vector-host relationships. At Aruza Abajo, large domesticated mammals dominated the assemblage of mosquito blood meals while wild bird and mammal species represented only a small portion of the blood meal pool. Most mosquito species fed on a variety of hosts; foraging index analysis indicates that eight of nine mosquito species utilize hosts at similar proportions while a stochastic model suggests dietary overlap among species was greater than would be expected by chance. The results from our null-model analysis of mosquito diet overlap are consistent with the hypothesis that in landscapes where large domestic animals dominate the local biomass, many mosquito species show little host specificity, and feed upon hosts in proportion to their biomass, which may have implications for the role of livestocking patterns in vector-borne disease ecology. PMID:24339965

  9. Prevalence of sexually transmitted diseases in high-risk women in the Republic of Panama.

    Science.gov (United States)

    Reeves, W C; Quiroz, E

    1987-01-01

    This study enrolled 1,032 sexually active women attending social hygiene clinics in Panama City; clinic attendance is mandatory for women employed in houses of prostitution, bars, and cabarets. Women were interviewed, and endocervical specimens were obtained for culture of Neisseria gonorrhoeae, Chlamydia trachomatis, herpes simplex virus, and cytomegalovirus. Four occupational groups attended the social hygiene clinics: prostitutes, bar girls denying prostitution, cabaret entertainers, and streetwalkers detained by the police. Prevalence of sexually transmitted disease, nationality, race, contraceptive method, and self-medication varied significantly by occupation; 31% of streetwalkers had gonorrhea as did 10% of prostitutes, 5% of bar girls, and 3% of cabaret entertainers. Rates of positive serologic tests for syphilis followed the same trend: 23% in streetwalkers, 7% in prostitutes, and 3% in nonprostitutes. Rates of chlamydial infection were significantly higher in cabaret entertainers (8%) than in any other occupational group (2%). Cytomegalovirus and herpes simplex virus infections were uncommon and were found in 5% and 1% of the women, respectively. Prevalence of N. gonorrhoeae varied with self-medication and years of "professional" experience. Only one of 160 N. gonorrhoeae isolates was resistant to penicillin and also beta-lactamase-positive.

  10. Uprolides N, O and P from the Panamanian Octocoral Eunicea succinea

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    Daniel Torres-Mendoza

    2016-06-01

    Full Text Available Three new diterpenes, uprolide N (1, uprolide O (2, uprolide P (3 and a known one, dolabellane (4, were isolated from the CH2Cl2-MeOH extract of the gorgonian octocoral Eunicea succinea, collected from Bocas del Toro, on the Caribbean coast of Panama. Their structures were determined using spectroscopic analyses, including 1D and 2D NMR and high-resolution mass spectrometry (HRMS together with molecular modeling studies. Compounds 1–3 displayed anti-inflammatory properties by inhibiting production of Tumor Necrosis Factor (TNF and Interleukin (IL-6 induced by lipopolysaccharide (LPS in murine macrophages.

  11. Effects of water, sodium hypochlorite, peroxyacetic acid, and acidified sodium chlorite on in-shell hazelnuts inoculated with Salmonella enterica serovar Panama.

    Science.gov (United States)

    Weller, Lisa D; Daeschel, Mark A; Durham, Catherine A; Morrissey, Michael T

    2013-12-01

    Recent foodborne disease outbreaks involving minimally processed tree nuts have generated a need for improved sanitation procedures. Chemical sprays and dips have shown promise for reducing pathogens on fresh produce, but little research has been conducted for in-shell hazelnuts. This study analyzed the effectiveness of 3 chemical sanitizers for reducing Salmonella on in-shell hazelnuts. Treatments of water, sodium hypochlorite (NaOCl; 25 and 50 ppm), peroxyacetic acid (PAA; 80 and 120 ppm), and acidified sodium chlorite (ASC; 450, 830, and 1013 ppm) were sprayed onto hazelnut samples inoculated with Salmonella enterica serovar Panama. Hazelnut samples were immersed in liquid cultures of S. Panama for 24 h, air-dried, and then sprayed with water and chemical treatments. Inoculation achieved S. Panama populations of approximately 8.04 log CFU/hazelnut. Surviving S. panama populations were evaluated using a nonselective medium (tryptic soy agar), incubated 3 h, and then overlaid with selective media (xylose lysine deoxycholate agar). All of the chemical treatments significantly reduced S. Panama populations (P ≤ 0.0001). The most effective concentrations of ASC, PAA, and NaOCl treatments reduced populations by 2.65, 1.46, and 0.66 log units, respectively. ASC showed the greatest potential for use as a postharvest sanitation treatment. © 2013 Institute of Food Technologists®

  12. Reptiles as potential vectors and hosts of the amphibian pathogen Batrachochytrium dendrobatidis in Panama.

    Science.gov (United States)

    Kilburn, Vanessa L; Ibáñez, Roberto; Green, David M

    2011-12-06

    Chytridiomycosis, the disease caused by Batrachochytrium dendrobatidis, is considered to be a disease exclusively of amphibians. However, B. dendrobatidis may also be capable of persisting in the environment, and non-amphibian vectors or hosts may contribute to disease transmission. Reptiles living in close proximity to amphibians and sharing similar ecological traits could serve as vectors or reservoir hosts for B. dendrobatidis, harbouring the organism on their skin without succumbing to disease. We surveyed for the presence of B. dendrobatidis DNA among 211 lizards and 8 snakes at 8 sites at varying elevations in Panama where the syntopic amphibians were at pre-epizootic, epizootic or post-epizootic stages of chytridiomycosis. Detection of B. dendrobatidis DNA was done using qPCR analysis. Evidence of the amphibian pathogen was present at varying intensities in 29 of 79 examined Anolis humilis lizards (32%) and 9 of 101 A. lionotus lizards (9%), and in one individual each of the snakes Pliocercus euryzonus, Imantodes cenchoa, and Nothopsis rugosus. In general, B. dendrobatidis DNA prevalence among reptiles was positively correlated with the infection prevalence among co-occurring anuran amphibians at any particular site (r = 0.88, p = 0.004). These reptiles, therefore, may likely be vectors or reservoir hosts for B. dendrobatidis and could serve as disease transmission agents. Although there is no evidence of B. dendrobatidis disease-induced declines in reptiles, cases of coincidence of reptile and amphibian declines suggest this potentiality. Our study is the first to provide evidence of non-amphibian carriers for B. dendrobatidis in a natural Neotropical environment.

  13. Controls over aboveground forest carbon density on Barro Colorado Island, Panama

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    J. Mascaro

    2010-12-01

    Full Text Available Despite the importance of tropical forests to the global carbon cycle, ecological controls over landscape-level variation in live aboveground carbon density (ACD in tropical forests are poorly understood. Here, we conducted a spatially comprehensive analysis of ACD variation for a mainland tropical forest – Barro Colorado Island, Panama (BCI – and tested site factors that may control such variation. We mapped ACD over 98% of BCI (~1500 ha using airborne Light Detection and Ranging (LiDAR, which was well-correlated with ground-based measurements of ACD in Panamanian forests of various ages (r2 = 0.77, RMSE = 29 Mg C ha−1, P < 0.0001. We used multiple regression to examine controls over LiDAR-derived ACD, including slope angle, bedrock, soil texture, and forest age. Collectively, these variables explained 14% of the variation in ACD at 30-m resolution, and explained 33% at 100-m resolution. At all resolutions, slope (linked to underlying bedrock variation was the strongest driving factor; standing carbon stocks were generally higher on steeper slopes, where erosion rates tend to exceed weathering rates, compared to gentle slopes, where weathering in place produces deep, oxic soils. This result suggests that physiography may be more important in controlling ACD variation in Neotropical forests than currently thought. Although BCI has been largely undisturbed by humans for a century, past land-use over approximately half of the island still influences ACD variation, with younger forests (80–130 years old averaging ~15% less carbon storage than old-growth forests (>400 years old. If other regions of relatively old tropical secondary forests also store less carbon aboveground than primary forests, the effects on the global carbon cycle could be substantial and difficult to detect with satellite monitoring.

  14. Shallow electrical resistivity imaging of the Limón fault, Chagres River Watershed, Panama Canal

    Science.gov (United States)

    Mojica, Alexis; Pérez, Tatiana; Toral, Jaime; Miranda, Roberto; Franceschi, Pastora; Calderón, Carlos; Vergara, Fidedigna

    2017-03-01

    The aim of this study was the use of electrical resistivity imaging to investigate the geometry of the southwest portion of one of the most important geologic fault zones of the Panama Canal Watershed: the Limón fault. This fault is characterized by its juxtaposition of pre-Tertiary andesitic basalt (Playa Venado Formation) against late Oligocene Tertiary sediments (Caimito Formation). In this zone, four 2D electrical resistivity tomography profiles were conducted perpendicular to the fault trace: T-1, T-2, T-3 and T-4. The T-1, T-3, and T-4 profiles were long profiles (235 m for the first two and 215 m for the last one), with a goal of determining the depth of the geologic boundary between the sedimentary and andesitic deposits. The T-2 profile was a short profile (23.5 m), with the objective of calibrating the results with data provided by the paleoseismic trenching previously developed in the area of interest. For these tests, two electrode arrays of types Wenner-Schlumberger and Dipole-Dipole, were used. For the inversion routine, two regularized least-squares methods were used: the smoothness-constrained method and robust inversion. The long electrical resistivity tomography profiles were able to identify a set of electrical anomalies associated with the andesitic basalt and the Tertiary sediments and with that, the contact geometry between these formations. In these profiles, fault angle measurements ranged from 60° to 80° with respect to the ground surface. In the T-2 profile, the electrical anomalies showed a good association with the results of the paleoseismic study. This allowed identification of the colluvium and alluvium covering the gravel and sand debris that mark the gradual transition to the soils of the Caimito Formation. Finally, a set of 2D synthetic models was developed for each of the T-1, T-3, and T-4 profiles with the objective of optimizing interpretation of the field results.

  15. The Butterflies of Barro Colorado Island, Panama: Local Extinction since the 1930s

    Science.gov (United States)

    Basset, Yves; Barrios, Héctor; Segar, Simon; Srygley, Robert B.; Aiello, Annette; Warren, Andrew D.; Delgado, Francisco; Coronado, James; Lezcano, Jorge; Arizala, Stephany; Rivera, Marleny; Perez, Filonila; Bobadilla, Ricardo; Lopez, Yacksecari; Ramirez, José Alejandro

    2015-01-01

    Few data are available about the regional or local extinction of tropical butterfly species. When confirmed, local extinction was often due to the loss of host-plant species. We used published lists and recent monitoring programs to evaluate changes in butterfly composition on Barro Colorado Island (BCI, Panama) between an old (1923–1943) and a recent (1993–2013) period. Although 601 butterfly species have been recorded from BCI during the 1923–2013 period, we estimate that 390 species are currently breeding on the island, including 34 cryptic species, currently only known by their DNA Barcode Index Number. Twenty-three butterfly species that were considered abundant during the old period could not be collected during the recent period, despite a much higher sampling effort in recent times. We consider these species locally extinct from BCI and they conservatively represent 6% of the estimated local pool of resident species. Extinct species represent distant phylogenetic branches and several families. The butterfly traits most likely to influence the probability of extinction were host growth form, wing size and host specificity, independently of the phylogenetic relationships among butterfly species. On BCI, most likely candidates for extinction were small hesperiids feeding on herbs (35% of extinct species). However, contrary to our working hypothesis, extinction of these species on BCI cannot be attributed to loss of host plants. In most cases these host plants remain extant, but they probably subsist at lower or more fragmented densities. Coupled with low dispersal power, this reduced availability of host plants has probably caused the local extinction of some butterfly species. Many more bird than butterfly species have been lost from BCI recently, confirming that small preserves may be far more effective at conserving invertebrates than vertebrates and, therefore, should not necessarily be neglected from a conservation viewpoint. PMID:26305111

  16. The Butterflies of Barro Colorado Island, Panama: Local Extinction since the 1930s.

    Directory of Open Access Journals (Sweden)

    Yves Basset

    Full Text Available Few data are available about the regional or local extinction of tropical butterfly species. When confirmed, local extinction was often due to the loss of host-plant species. We used published lists and recent monitoring programs to evaluate changes in butterfly composition on Barro Colorado Island (BCI, Panama between an old (1923-1943 and a recent (1993-2013 period. Although 601 butterfly species have been recorded from BCI during the 1923-2013 period, we estimate that 390 species are currently breeding on the island, including 34 cryptic species, currently only known by their DNA Barcode Index Number. Twenty-three butterfly species that were considered abundant during the old period could not be collected during the recent period, despite a much higher sampling effort in recent times. We consider these species locally extinct from BCI and they conservatively represent 6% of the estimated local pool of resident species. Extinct species represent distant phylogenetic branches and several families. The butterfly traits most likely to influence the probability of extinction were host growth form, wing size and host specificity, independently of the phylogenetic relationships among butterfly species. On BCI, most likely candidates for extinction were small hesperiids feeding on herbs (35% of extinct species. However, contrary to our working hypothesis, extinction of these species on BCI cannot be attributed to loss of host plants. In most cases these host plants remain extant, but they probably subsist at lower or more fragmented densities. Coupled with low dispersal power, this reduced availability of host plants has probably caused the local extinction of some butterfly species. Many more bird than butterfly species have been lost from BCI recently, confirming that small preserves may be far more effective at conserving invertebrates than vertebrates and, therefore, should not necessarily be neglected from a conservation viewpoint.

  17. Water quality effects of intermittent water supply in Arraiján, Panama.

    Science.gov (United States)

    Erickson, John J; Smith, Charlotte D; Goodridge, Amador; Nelson, Kara L

    2017-05-01

    Intermittent drinking water supply is common in low- and middle-income countries throughout the world and can cause water quality to degrade in the distribution system. In this study, we characterized water quality in one study zone with continuous supply and three zones with intermittent supply in the drinking water distribution network in Arraiján, Panama. Low or zero pressures occurred in all zones, and negative pressures occurred in the continuous zone and two of the intermittent zones. Despite hydraulic conditions that created risks for backflow and contaminant intrusion, only four of 423 (0.9%) grab samples collected at random times were positive for total coliform bacteria and only one was positive for E. coli. Only nine of 496 (1.8%) samples had turbidity >1.0 NTU and all samples had ≥0.2 mg/L free chlorine residual. In contrast, water quality was often degraded during the first-flush period (when supply first returned after an outage). Still, routine and first-flush water quality under intermittent supply was much better in Arraiján than that reported in a previous study conducted in India. Better water quality in Arraiján could be due to better water quality leaving the treatment plant, shorter supply outages, higher supply pressures, a more consistent and higher chlorine residual, and fewer contaminant sources near pipes. The results illustrate that intermittent supply and its effects on water quality can vary greatly between and within distribution networks. The study also demonstrated that monitoring techniques designed specifically for intermittent supply, such as continuous pressure monitoring and sampling the first flush, can detect water quality threats and degradation that would not likely be detected with conventional monitoring. Copyright © 2017 Elsevier Ltd. All rights reserved.

  18. Chemical Composition and Biological Activity of Essential Oils from Different Species of Piper from Panama.

    Science.gov (United States)

    Santana, Ana I; Vila, Roser; Cañigueral, Salvador; Gupta, Mahabir P

    2016-07-01

    The chemical composition of leaf essential oils from 11 species of Piper from Panama was analyzed by a combination GC-FID and GC-MS procedures. Six of them had sesquiterpene hydrocarbons as major constituents, three were characterized by monoterpene hydrocarbons, one by a diterpene, and one by a phenylpropanoid, dillapiole. The main components identified in each species were: cembratrienol (25.4 %) in Piper augustum; β-pinene (26.6 %) in Piper corrugatum; α-pinene (19.4 %) in Piper curtispicum; trans-β-farnesene (63.7 %) in Piper darienense; p-cymene (43.9 %) in Piper grande; dillapiole (57.7 %) in Piper hispidum; linalool (14.5 %), α-phellandrene (13.8 %), and limonene (12.2 %) in Piper jacquemontianum; β-caryophyllene (45.2 %) in Piper longispicum; linalool (16.5 %), α-phellandrene (11.8 %), limonene (11.4 %), and p-cymene (9.0 %) in Piper multiplinervium; β-selinene (19.0 %), β-elemene (16.1 %), and α-selinene (15.5 %) in Piper reticulatum; and germacrene D (19.7 %) in Piper trigonum. The essential oils of P. hispidum and P. longispicum at a concentration of 250 µg/mL showed larvicidal activity against Aedes aegypti, while the oils from P. curtispicum, P. multiplinervium, P. reticulatum, and P. trigonum were inactive (LC100 ≥ 500 µg/mL). The essential oils of P. grande, P. jacquemontianum, and P. multiplinervium showed no significant antifungal activity (MIC > 250 µg/mL) against several yeasts and filamentous fungal strains. Georg Thieme Verlag KG Stuttgart · New York.

  19. Comparative genetic structure of two mangrove species in Caribbean and Pacific estuaries of Panama

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    Cerón-Souza Ivania

    2012-10-01

    Full Text Available Abstract Background Mangroves are ecologically important and highly threatened forest communities. Observational and genetic evidence has confirmed the long distance dispersal capacity of water-dispersed mangrove seeds, but less is known about the relative importance of pollen vs. seed gene flow in connecting populations. We analyzed 980 Avicennia germinans for 11 microsatellite loci and 940 Rhizophora mangle for six microsatellite loci and subsampled two non-coding cpDNA regions in order to understand population structure, and gene flow within and among four major estuaries on the Caribbean and Pacific coasts of Panama. Results Both species showed similar rates of outcrossing (t= 0.7 in A. germinans and 0.8 in R. mangle and strong patterns of spatial genetic structure within estuaries, although A. germinans had greater genetic structure in nuclear and cpDNA markers (7 demes > 4 demes and Sp= 0.02 > 0.002, and much greater cpDNA diversity (Hd= 0.8 > 0.2 than R. mangle. The Central American Isthmus serves as an exceptionally strong barrier to gene flow, with high levels nuclear (FST= 0.3-0.5 and plastid (FST= 0.5-0.8 genetic differentiation observed within each species between coasts and no shared cpDNA haplotypes between species on each coast. Finally, evidence of low ratios of pollen to seed dispersal (r = −0.6 in A. germinans and 7.7 in R. mangle, coupled with the strong observed structure in nuclear and plastid DNA among most estuaries, suggests low levels of gene flow in these mangrove species. Conclusions We conclude that gene dispersal in mangroves is usually limited within estuaries and that coastal geomorphology and rare long distance dispersal events could also influence levels of structure.

  20. The Butterflies of Barro Colorado Island, Panama: Local Extinction since the 1930s.

    Science.gov (United States)

    Basset, Yves; Barrios, Héctor; Segar, Simon; Srygley, Robert B; Aiello, Annette; Warren, Andrew D; Delgado, Francisco; Coronado, James; Lezcano, Jorge; Arizala, Stephany; Rivera, Marleny; Perez, Filonila; Bobadilla, Ricardo; Lopez, Yacksecari; Ramirez, José Alejandro

    2015-01-01

    Few data are available about the regional or local extinction of tropical butterfly species. When confirmed, local extinction was often due to the loss of host-plant species. We used published lists and recent monitoring programs to evaluate changes in butterfly composition on Barro Colorado Island (BCI, Panama) between an old (1923-1943) and a recent (1993-2013) period. Although 601 butterfly species have been recorded from BCI during the 1923-2013 period, we estimate that 390 species are currently breeding on the island, including 34 cryptic species, currently only known by their DNA Barcode Index Number. Twenty-three butterfly species that were considered abundant during the old period could not be collected during the recent period, despite a much higher sampling effort in recent times. We consider these species locally extinct from BCI and they conservatively represent 6% of the estimated local pool of resident species. Extinct species represent distant phylogenetic branches and several families. The butterfly traits most likely to influence the probability of extinction were host growth form, wing size and host specificity, independently of the phylogenetic relationships among butterfly species. On BCI, most likely candidates for extinction were small hesperiids feeding on herbs (35% of extinct species). However, contrary to our working hypothesis, extinction of these species on BCI cannot be attributed to loss of host plants. In most cases these host plants remain extant, but they probably subsist at lower or more fragmented densities. Coupled with low dispersal power, this reduced availability of host plants has probably caused the local extinction of some butterfly species. Many more bird than butterfly species have been lost from BCI recently, confirming that small preserves may be far more effective at conserving invertebrates than vertebrates and, therefore, should not necessarily be neglected from a conservation viewpoint.

  1. Late quaternary sea bottom conditions in the southern Panama basin, Eastern Equatorial Pacific

    Science.gov (United States)

    Patarroyo, German D.; Martínez, José I.

    2015-11-01

    A paleoceanographic reconstruction of the southern Panama Basin for the last 23.000 years, based on the benthic foraminiferal analysis from the deep sea core ME0005A-24JC (0.01°N, 86.28°W, water depth 2941) is presented. Cluster and SHEBI (SHE Analysis for Biozone Identification) analyses performed on the benthic foraminiferal assemblages, evidence a faunal turnover in the early Holocene at 14 ky BP. Between 23 and 14 ky BP, Fursenkoina rotundata, Hoeglundina elegans, Globobulimina affinis, Globobulimina pacifica, Cibicidoides wuellerstorfi and Uvigerina hispidocostata were common. Conversely, from 14 ky to the present, the assemblage is represented by Chilostomella oolina, Laticarinina pauperata, and Uvigerina proboscidea. This faunal turnover suggests significant fluctuations in oxygen content at the sea floor and the organic matter (OM) influx, which could reflect: (1) fluctuations in the surface productivity related to the equatorial divergence and, (2) OM advection caused by the dynamic of the deep sea currents. Paleoproductivity estimates and benthic foraminiferal rates depict a general trend towards lower values since the Last Glacial Maximum (LGM) with a conspicuous change at 14 ky BP. Therefore, the paleoceanographic reconstructions of the ME0005A-24JC core suggest a transition from La Niña-like conditions during the LGM to El Niño-like conditions in the recent, as previously proposed for the Eastern Equatorial Pacific. Estimates of the paleo-intensity of deep sea currents based on the relative percentage abundance of the epifaunal foraminifera Cibicidoides wuellerstorfi suggest stronger deep sea currents on the Carnegie Ridge before 14 ky BP.

  2. Phosphorus fertilization management in corn crop, El Ejido, Panama 2004-2013.

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    Roman Gordon-Mendoza

    2015-12-01

    Full Text Available The aim of this study was to determine medium and long management of phosphorus fertilization with two application methods on the maize. An experiment was established in El Ejido, Panama, from 2004 to 2013 on Udic Haplustalf soil. Two factors were evaluated in a 5 x 4 factorial arrangement of split plot under a randomized block design with three replications. The main plot was the broadcast application of P in rates of 0, 25, 50, 75, and 100 kgP/ha (applied only the first year, while in sub-plots applied P in band, for ten years, together with N and K doses of 0, 10, 20 and 30 kgP/ha. The maximum grain yield was achieved by applying average 304 kg (average of 30.4 kgP/year. It was observed that the residual effect broadcast applications of 0 and 25 kgP/ha had a relative yield below 80%. Treatment of 50 kgP/ha remained at 82%, while 75 kgP/ha declined from the year 2007 and is at a value close to 80%. Treatment of 100 kgP/ha broadcast presents a relative yield close to 100%. The results indicate that the broadcast application over 50 kgP/ha did not differ from the response obtained with annual applications of 30 P/ha in the first five years. These results suggest that the residual effect of phosphorus broadcast and incorporated before planting, on the type of soil used, varies according doses applied initially, where dosages above 50 kg/ha should be repeated after six years to maintain good productivity, since, from this time the residual effect is drastically reduced.

  3. Respuesta ambiental en el Pacífico frente a la subducción de la dorsal asísmica de Cocos (Panamá y Costa Rica Environmental response in the Pacific to aseismic Cocos Ridge subduction (Panama and Costa Rica

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    Carlos De Gracia

    2012-06-01

    Full Text Available Con el fin de evaluar el efecto de la Subducción de la Dorsal Asísmica de Cocos (DAC durante las etapas finales de la formación del Istmo. Realizamos muestreos con bultos en afloramientos fosilíferos en las penínsulas de Burica y Nicoya. Las condiciones paleoecológicas y paleoambientales fueron reconstruidas a partir de la comparación entre la estructura de las comunidades fósiles, con las comunidades modernas dragadas de los mares de Panamá, usando análisis de componentes principales. Los resultados indican que antes del cierre del Istmo, existieron islas oceánicas y un afloramiento moderado en Burica. Posterior al cierre, el choque de la DAC provocó la elevación del fondo marino y las aguas que se encontraban a 2 300m pasaron a 40m. El afloramiento se intensificaba en mar abierto pero la dorsal había formado islas en Burica que limitaban el efecto del afloramiento en la costa. La subducción de la DAC continuó y las islas se unieron gradualmente a tierra firme y desaparecieron, permitiendo el afloramiento. Durante el Pleistoceno medio un segundo proceso de levantamiento acelerado continuó elevando el fondo marino y formó la Cordillera de Talamanca. La cordillera creó una barrera que bloqueó el paso de los vientos Alisios y originó condiciones ecológicas y optimas que permiten el crecimiento de los mejores arrecifes de coral costeros del Pacífico oriental tropical (POT entre Panamá y Costa Rica.Environmental response in the Pacific to aseismic Cocos Ridge subduction (Panama and Costa Rica. The evolution of the marine communities along the Pacific coast of Central America, may have changed in response to the formation of the Isthmus of Panama. To evaluate the effect of the Aseismic Cocos Ridge (DAC subduction on the marine benthic communities, we reconstructed benthic assemblages from Neogene fossiliferous formations in Burica and Nicoya peninsulas of Panama and Costa Rica. Paleoecological and paleoenvironmental conditions

  4. Cenozoic History of Paleo-Currents through the Central American Seaway: Insights from Deep Sea Sediments and Outcrops in Panama

    Science.gov (United States)

    Waite, A. J.; Martin, E. E.

    2015-12-01

    Paleontologic, oceanographic, and ecologic studies suggest gradual shoaling of the Central American Seaway between ~15 to 2 Ma that caused a stepwise shutdown of deep, intermediate, and shallow water exchange between the Pacific Ocean and Caribbean Sea. This diminishing communication has been further associated with changes in surface and deep ocean currents, atmospheric flow, and ultimately regional and global climate. Recent studies of the Isthmus of Panama's exhumation history, palm phylogenies, and fossil/molecularly derived migration rates, however, suggest that the isthmus may have risen much earlier. An earlier rise scenario would call into question many accepted consequences of this gateway event under the 'Panama Hypothesis,' including strengthened thermohaline circulation, North Atlantic Deep Water production, the onset of Northern Hemisphere glaciation, and the Great American Biotic Interchange. Despite considerable research on the Neogene, few paleoceanographic studies have directly examined long-term changes in the adjacent oceans over the Cenozoic to evaluate the potential for earlier events in the closure history of the seaway. In this study, we extend records of bottom water circulation reconstructed from the Nd-isotopes of fish teeth from several Caribbean International Ocean Discovery Program sediment cores (ODP Sites 998, 999, 1000). These reconstructions clearly depict an increase in Pacific volcanism throughout the Cenozoic and sustained transport of Pacific waters into the Caribbean basin from ~50 to 9 Ma, although there appear to be interesting complexities within the Caribbean basin itself. We also present preliminary investigations into the potential of Nd-isotopic analyses on fossil fish teeth recovered from outcrops and exposures of marine strata across Panama to further elucidate the regional dynamics and shoaling history of the Central American Seaway.

  5. Evaluation of the Uniform Field Distortions Produced by a Toroidal Dielectric Body / Novērtējums Viendabīga Elektriskā Lauka Izkropļojumiem, Kurus Rada Toroīda Formas Dielektrisks Ķermenis

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    Krasnitsky Y. A.

    2015-08-01

    Full Text Available Darbā apskatīts kvazi-statisks tuvinājums viendabīga elektriskā lauka izkropļojumiem gadījumos, kad tajā tiek ievietots dielektrisks toroīda formas ķermenis. Izkropļojumu apmēru tiek piedāvāts novērtēt ar toroīda efektīvo caurlaidību, kas tiek noteikta, atrisinot atbilstošo robežvērtību uzdevumu. Tiek doti skaitliski novērtējumi, kas iegūti, lietojot speciāli valodā Matlab izstrādātu programmatūru.

  6. The Panama Canal and the transoceanic dispersal of marine invertebrates: evaluation of the introduced amphipod Paracaprella pusilla Mayer, 1890 in the Pacific Ocean.

    Science.gov (United States)

    Ros, Macarena; Ashton, Gail V; Lacerda, Mariana B; Carlton, James T; Vázquez-Luis, Maite; Guerra-García, José M; Ruiz, Gregory M

    2014-08-01

    Although the Panama Canal is one of the major corridors for shipping and potential dispersal of marine invaders in the tropics, little is known about the effect that the Canal has had on the distribution of marine biota. In this study, we (a) document the existence of established populations of the Western Atlantic caprellid amphipod Paracaprella pusilla, Mayer, 1890 for the first time at the Pacific entrance to the Canal, (b) review its distribution in the Pacific Ocean, and (c) evaluate possible mechanisms of introduction. The confirmed distribution of P. pusilla in the Pacific Ocean is limited to Australia, Hawaii, and Panama, despite earlier published reports from Chile and China. Laboratory experiments demonstrated intolerance of P. pusilla to freshwater, causing 100% mortality, and suggest invasion of the Pacific coast of Panama occurred through the Canal via ships' ballast water or by secondary spread via ships (ballast water or hull fouling) from another Pacific region.

  7. Ceba de toros con dietas basadas en hollejos de cítrico frescos o conservados Bull fattening with diets based on fresh or preserved citrus pulp

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    F Ojeda

    2012-12-01

    Full Text Available En la Empresa Citrícola "Victoria de Girón", provincia de Matanzas, Cuba, se realizó durante 138 días una investigación con 433 toros de genotipos mestizos de razas lecheras (Holstein x Cebú, en la que se evaluó una dieta basada en pastoreo restringido (cuatro horas en la mañana, forraje verde y hollejo de cítrico a voluntad, suplementados con heno de gramíneas, sal mineral y North gold. El hollejo de cítricos se ofreció en forma de ensilaje desde el 8 de agosto hasta el 31 de octubre, y en forma fresca desde el 1ro de noviembre hasta el 24 de diciembre. Este último se enriqueció con urea, a razón de 0,04 kg por cada 5 kg de hollejo. En el periodo lluvioso, el forraje presentó los menores porcentajes de MS y los mayores valores de EM y PDIN, con poca variación entre periodos para el PDIE. Los hollejos frescos y ensilados mantuvieron valores análogos a los de otros estudios; el heno tenía baja calidad, y el consumo de forraje fue similar en ambos períodos; los hollejos conservados fueron menos consumidos que los frescos. La ganancia fue mayor con los hollejos conservados (0,593 vs. 0,556 kg/animal/día. Los balances nutricionales indicaron que se cubrieron los requerimientos de MS y EM, aunque en los compuestos nitrogenados se realizó un uso ineficiente debido a que hubo un exceso de PDIE, que no fue corregido mediante la incorporación de urea. En ambos períodos, los mayores porcentajes de aportes de nutrimentos correspondieron al forraje y al hollejo de cítrico en sus dos modalidades. Los índices de conversión tuvieron una mejor respuesta con el ensilaje (13,3 vs. 15,5 kg de MS/kg de ganancia. Se concluye que es factible utilizar los hollejos de cítrico frescos o ensilados; aunque, para incrementar las ganancias y la conversión alimentaria, es necesario aumentar la suplementación proteínica y disponer de alimentos que equilibren las cantidades de PDIN y PDIE en las dietas.At the "Victoria de Girón" Citrus Fruit

  8. PROGRAMAS DE EDUCACIÓN SEXUAL EN PANAMÁ PROGRAMAS DE EDUCAÇÃO SEXUAL NO PANAMÁ PROGRAMS ON SEXUAL EDUCATION IN PANAMA

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    Claude Vergès

    2007-06-01

    Full Text Available ¿Cuál es el lugar del placer en los programas de educación sexual? En Panamá, como en otros países de América Latina, la violencia contra niños y niñas y contra las mujeres no les permite reconocer la propiedad de su propio cuerpo y menos su derecho al placer. Los programas actuales sobre educación sexual, prevención del embarazo y SIDA promueven el uso del preservativo y la abstinencia pero no hablan de la ética del placer. Frecuentemente, el personal sanitario y educativo no está preparado para hablar sobre el tema. El uso del placer sexual como mercancía en los medios de comunicación introduce mayor confusión. La bioética debe integrar los estudios de la psicología, la antropología y un sentido de humanidad que permitan a este personal trabajar con las personas hacia la apropiación de su integridad como ser humanoQual é o lugar do prazer nos programas de educação sexual? No Panamá, como em outros países da América Latina, a violência contra meninos e meninas e contra as mulheres não lhes permite reconhecer a propriedade dos seus corpos e muito menos os seus direitos ao prazer. Os atuais programas sobre educação sexual, contracepção e AIDS promovem o uso do preservativo e a abstinência, mas não se referem à ética do prazer. Frequentemente, os profissionais da saúde e da educação não se encontram preparados para tratar sobre o tema. O uso do prazer sexual como mercadoria nos meios de comunicação acende ainda mais o conflito. A bioética deve integrar os estudos da psicologia, da antropologia e o sentido de humanidade de modo a permitir que tais profissionais possam trabalhar com as pessoas a apropriação de sua integridade como ser humanoWhich place occupies pleasure in sexual education programs? In Panama, as in other Latin American countries, violence against children and women does not allow people to realize own bodylines and less their right to pleasure. Present programs about sexual education

  9. Poblaciones urbana y rural de Panamá. Un análisis a partir de microdatos censales Urban and rural populations of Panama. An analysis using census microdata

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    María Isabel Camacho Cárdenas,

    2015-12-01

    Full Text Available El censo de población y viviendas continúa jugando un rol esencial en las sociedades contemporáneas. La disponibilidad de la información a partir de microdatos censales ofrece posibilidades incalculables para la labor científica, docente y de planificación a diferentes escalas. A partir de la posibilidad de trabajar con las bases de datos de los censos de Panamá, rondas 2000 y 2010, y hacer uso del software REDATAM para los procesamientos especiales, el presente artículo presenta los análisis de características seleccionadas de las poblaciones urbana y rural del país. Los resultados muestran el crecimiento del porcentaje de la población urbana, con una mayor presencia femenina. Las poblaciones urbanas presentan una estructura más envejecida en el contexto nacional. Tanto la mortalidad infantil como la fecundidad son mayores en los contextos rurales. Population and housing census continue playing an essential role in contemporary societies. The availability of the census microdata information offers incalculable possibilities for the scientific work, educational and planning activities to different scales. Starting from the possibility of working with the databases of the censuses of Panama, rounds 2000 and 2010, and making use of the software REDATAM for special processing, this paper presents the analyses of selected characteristics of urban and rural populations of the country. The results show the growth of the urban population’s percentage, with a feminine bigger presence. The urban populations present an older age structure in the national context. The child mortality and fertility are both higher in the rural contexts.

  10. Enzootic Arbovirus Surveillance in Forest Habitat and Phylogenetic Characterization of Novel Isolates of Gamboa Virus in Panama.

    Science.gov (United States)

    Eastwood, Gillian; Loaiza, Jose R; Pongsiri, Montira J; Sanjur, Oris I; Pecor, James E; Auguste, Albert J; Kramer, Laura D

    2016-04-01

    Landscape changes occurring in Panama, a country whose geographic location and climate have historically supported arbovirus transmission, prompted the hypothesis that arbovirus prevalence increases with degradation of tropical forest habitats. Investigations at four variably degraded sites revealed a diverse array of potential mosquito vectors, several of which are known vectors of arbovirus pathogens. Overall, 675 pools consisting of 25,787 mosquitoes and representing 29 species from nine genera (collected at ground and canopy height across all habitats) were screened for cytopathic viruses on Vero cells. We detected four isolates of Gamboa virus (family:Bunyaviridae; genus:Orthobunyavirus) from pools of Aedeomyia squamipennis captured at canopy level in November 2012. Phylogenetic characterization of complete genome sequences shows the new isolates to be closely related to each other with strong evidence of reassortment among the M segment of Panamanian Gamboa isolates and several other viruses of this group. At the site yielding viruses, Soberanía National Park in central Panama, 18 mosquito species were identified, and the predominant taxa included A. squamipennis,Coquillettidia nigricans, and Mansonia titillans.

  11. Anthropogenic influence on the distribution, abundance and diversity of sandfly species (Diptera: Phlebotominae: Psychodidae, vectors of cutaneous leishmaniasis in Panama

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    Anayansi Valderrama

    2011-12-01

    Full Text Available In Panama, species of the genus Lutzomyia are vectors of American cutaneous leishmaniasis (ACL. There is no recent ecological information that may be used to develop tools for the control of this disease. Thus, the goal of this study was to determine the composition, distribution and diversity of Lutzomyia species that serve as vectors of ACL. Sandfly sampling was conducted in forests, fragmented forests and rural environments, in locations with records of ACL. Lutzomyia gomezi, Lutzomyia panamensis and Lutzomyia trapidoi were the most widely distributed and prevalent species. Analysis of each sampling point showed that the species abundance and diversity were greatest at points located in the fragmented forest landscape. However, when the samples were grouped according to the landscape characteristics of the locations, there was a greater diversity of species in the rural environment locations. The Kruskal Wallis analysis of species abundance found that Lu. gomezi and Lu. trapidoi were associated with fragmented environments, while Lu. panamensis, Lutzomyia olmeca bicolor and Lutzomyia ylephiletor were associated with forested environments. Therefore, we suggest that human activity influences the distribution, composition and diversity of the vector species responsible for leishmaniasis in Panama.

  12. "Estoy viejo" [I'm old]: internalized ageism as self-referential, negative, ageist speech in the Republic of Panama.

    Science.gov (United States)

    Campos, Irma D; Stripling, Ashley M; Heesacker, Martin

    2012-12-01

    Ageism is a form of discrimination that anyone may experience at some point in life (Palmore 2004). Yet ageism is rarely the focus of behavioral research (Nelson 2005). Age can be understood as a social construct that reflects social norms (Lemus and Exposito 2005). Based on our review of the published literature, there were two studies on perceptions of aging among Latina/os in the United States (Beyene et al. 2002; Sarkisian et al. 2006). These studies investigated perceptions and expectations of aging among older Latina/o adults rather than direct experiences of ageism. It is important to note that Latina/os are not a homogenous group and that there are within-group differences. For this reason, this study explored internalized, negative ageism specifically in the Republic of Panama. Although Panama has unique characteristics, it also reflects Central American culture and therefore should provide initial insights regarding Central American self-referential, negative, ageist talk, which we labeled "Estoy viejo." Flanagan's Critical Incident Technique was used to access and understand participants' (ages 18-65) negative ageist talk (n=159). Participants who reported engaging in "Estoy viejo." (46.3% of those sampled) were significantly younger than participants who did not (p< .05). One potential explanation is that younger participants may have been more influenced by North American culture and its strongly negative ageist stereotypes than older participants, who may have identified primarily with Central American culture.

  13. Active tectonics and Quaternary landscape evolution across the western Panama block, Costa Rica, Central America

    Science.gov (United States)

    Marshall, Jeffrey Scott

    Three aspects of active tectonism are examined across central Costa Rica: (1) fault kinematics; (2) volcanic arc retreat; and (3) spatially variable coastal uplift. Diffuse faulting along the Central Costa Rica Deformed Belt (CCRDB) defines the western margin of the Panama block and aligns with the rough-smooth boundary (RSB) on the subducting Cocos plate. Sub-horizontal subduction of rough, hotspot thickened crust (Cocos Ridge and seamounts) shifts active shortening into the volcanic arc along the CCRDB. Mesoscale faults express variable kinematics across three domains: transtension in the forearc, transcurrent motion across the volcanic arc, and transpression in the back arc. Fault kinematics agree with seismicity and GPS data, and isotopic ages confirm that faulting postdates the late Neogene onset of shallow subduction. Stratigraphic correlation augmented by 40Ar/39Ar dating constrain the timing of Quaternary arc migration from the Neogene Aguacate range to the modern Cordillera Central. The Valle Central basin, between the cordilleras, filled with thick sequences of lavas, pyroclastic flows, and lahars. Middle Pleistocene drainage capture across the Aguacate arc linked the Valle Central with the Pacific slope and ash flows descended onto the coastal Orotina debris fan. Arc retreat reflects slab shallowing and enhanced tectonic erosion as rough crust entered the subduction zone. Differing subduction parameters across the RSB (crustal age, slab dip, roughness) produce marked contrasts in coastal tectonism. Varying uplift rates across coastal faults reflect sub-horizontal subduction of seamount roughness. Three groups (I--III) of fluvial terraces are correlated along the coast by isotopic ages and geomorphic characteristics. Base level fluctuations and terrace genesis reflect interaction between eustatic sea level and spatially variable rock uplift. Low uplift rates (north of RSB), yield one surface per terrace group, whereas moderate rates (south of RSB

  14. Study of the corrosion products formed on carbon steels in the tropical atmosphere of Panama

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    Jaén, J. A.

    2003-12-01

    Full Text Available Mössbauer spectroscopy and X-ray powder diffraction (in selected samples have been used to characterize corrosion products on carbon steels after atmospheric exposure to the tropical Panamanian locations of Panama and Colon, classified according to ISO 9223 as C3 and C5, respectively. Goethite (α-FeOOH of intermediate particle size (20-100 nm, lepidocrocite (γ-FeOOH, a spinel phase consisting of non-stoichiometric magnetite (Fe3-xO4 and/or maghemite (γ-Fe2O3 and nano-sized particles were identified in the corrosion products. The spinel phase is related to short term atmospheric exposure transforms in time to other corrosion products. The corrosion resistance increased with fraction of goethite following a saturation-type behavior.

    Se caracterizaron los productos de corrosión de aceros al carbono expuestos a las atmósferas tropicales panameñas localizadas en Panamá y Colón, mediante el uso de la espectroscopia Mössbauer y difracción de rayos-X (en muestras seleccionadas. Las atmósferas se clasifican como C3 y C5, respectivamente, de acuerdo a la norma ISO 9223. Se lograron identificar los compuestos goethita (α-FeOOH de tamaño de partícula intermedio (20-100 nm, lepidocrocita (γ-FeOOH, una fase de espinela consistente en magnetita no estequiométrica (Fe3-xO4 y/o maghemita (γ-Fe2O3, y nanopartículas. La fase de espinela se puede correlacionar con exposiciones cortas a la atmósfera, transformándose en el tiempo en otros productos de corrosión. La resistencia a la corrosión se incrementa con la cantidad de goethita siguiendo una conducta de saturación.

  15. An ecosystem report on the Panama Canal: Monitoring the status of the forest communities and the watershed

    Science.gov (United States)

    Ibanez, R.; Condit, R.; Angehr, G.; Aguilar, S.; Garcia, T.; Martinez, R.; Sanjur, A.; Stallard, R.; Wright, S.J.; Rand, A.S.; Heckadon, S.

    2002-01-01

    In 1996, the Smithsonian Tropical Research Institute and the Republic of Panama's Environmental Authority, with support from the United States Agency for International Development, undertook a comprehensive program to monitor the ecosystem of the Panama Canal watershed. The goals were to establish baseline indicators for the integrity of forest communities and rivers. Based on satellite image classification and ground surveys, the 2790 km2 watershed had 1570 km2 of forest in 1997, 1080 km2 of which was in national parks and nature monuments. Most of the 490 km2 of forest not currently in protected areas lies along the west bank of the Canal, and its management status after the year 2000 turnover of the Canal from the U.S. to Panama remains uncertain. In forest plots designed to monitor forest diversity and change, a total of 963 woody plant species were identified and mapped. We estimate there are a total of 850-1000 woody species in forests of the Canal corridor. Forests of the wetter upper reaches of the watershed are distinct in species composition from the Canal corridor, and have considerably higher diversity and many unknown species. These remote areas are extensively forested, poorly explored, and harbor an estimated 1400-2200 woody species. Vertebrate monitoring programs were also initiated, focusing on species threatened by hunting and forest fragmentation. Large mammals are heavily hunted in most forests of Canal corridor, and there was clear evidence that mammal density is greatly reduced in hunted areas and that this affects seed predation and dispersal. The human population of the watershed was 113 000 in 1990, and grew by nearly 4% per year from 1980 to 1990. Much of this growth was in a small region of the watershed on the outskirts of Panama City, but even rural areas, including villages near and within national parks, grew by 2% per year. There is no sewage treatment in the watershed, and many towns have no trash collection, thus streams near large

  16. Lutzomyia sand fly diversity and rates of infection by Wolbachia and an exotic Leishmania species on Barro Colorado Island, Panama.

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    Jorge Azpurua

    Full Text Available BACKGROUND: Sand flies (Diptera, Psychodidae, Phlebotominae in the genus Lutzomyia are the predominant vectors of the protozoan disease leishmaniasis in the New World. Within the watershed of the Panama Canal, the cutaneous form of leishmaniasis is a continuous health threat for residents, tourists and members of an international research community. Here we report the results of screening a tropical forest assemblage of sand fly species for infection by both Leishmania and a microbe that can potentially serve in vector population control, the cytoplasmically transmitted rickettsia, Wolbachia pipientis. Knowing accurately which Lutzomyia species are present, what their evolutionary relationships are, and how they are infected by strains of both Leishmania and Wolbachia is of critical value for building strategies to mitigate the impact of this disease in humans. METHODOLOGY AND FINDINGS: We collected, sorted and then used DNA sequences to determine the diversity and probable phylogenetic relationships of the Phlebotominae occurring in the understory of Barro Colorado Island in the Republic of Panama. Sequence from CO1, the DNA barcoding gene, supported 18 morphology-based species determinations while revealing the presence of two possible "cryptic" species, one (Lu. sp. nr vespertilionis within the Vespertilionis group, the other (Lu. gomezi within the Lutzomyia-cruciata series. Using ITS-1 and "minicircle" primers we detected Leishmania DNA in 43.3% of Lu. trapidoi, 26.3% of Lu. gomezi individuals and in 0% of the other 18 sand fly species. Identical ITS-1 sequence was obtained from the Leishmania infecting Lu. trapidoi and Lu. gomezi, sequence which was 93% similar to Leishmania (viannia naiffi in GenBank, a species previously unknown in Panama, but recognized as a type of cutaneous leishmaniasis vectored broadly across northern and central South America. Distinct strains of the intracellular bacterium Wolbachia were detected in three of 20

  17. Valores fisiológicos en sangre y orina de rana toro en cautiverio, rana catesbeiana (Anura: ranidae)

    OpenAIRE

    Coppo, J. A.; N.B. Mussart; Fioranelli, S. A.; Zeinsteger, Pedro Adolfo

    2005-01-01

    Con el propósito de obtener valores sanguíneos y urinarios de referencia, 302 muestras de ejemplares sanos de Rana catesbeiana del nordeste argentino (9-21 meses de edad, 50% de cada sexo), fueron analizadas por espectrofotometría, electroforesis, densitometría, refractometría y microscopía. Fueron obtenidos intervalos de confianza (p

  18. Valores fisiológicos en sangre y orina de rana toro en cautiverio, rana catesbeiana (Anura: ranidae)

    OpenAIRE

    Coppo, J. A.; Mussart, N. B.; Fioranelli, S. A.; Zeinsteger, Pedro Adolfo

    2005-01-01

    Con el propósito de obtener valores sanguíneos y urinarios de referencia, 302 muestras de ejemplares sanos de Rana catesbeiana del nordeste argentino (9-21 meses de edad, 50% de cada sexo), fueron analizadas por espectrofotometría, electroforesis, densitometría, refractometría y microscopía. Fueron obtenidos intervalos de confianza (p

  19. Hantavirus Public Health outreach effectiveness in three populations: an overview of northwestern New Mexico, Los Santos Panama, and Region IX Chile.

    Science.gov (United States)

    McConnell, Marjorie S

    2014-02-27

    This research compared the effectiveness of Hantavirus Pulmonary Syndrome (HPS) outreach programs in New Mexico, Panama, and Chile. Understanding the role of human demographics, disease ecology, and human behavior in the disease process is critical to the examination of community responses in terms of behavior changes. Attitudes, knowledge, and behavior across three populations were measured through the implementation of a self-administered questionnaire (N = 601). Surveys implemented in Chile and Panama in 2004, followed by northwestern New Mexico in 2008, attempted to assess knowledge and behavior change with respect to hantavirus in high- and lower-risk prevalence areas during endemic periods. While levels of concern over contracting hantavirus were lowest in New Mexico, they were highest in Panama. Respondents in Chile showed mid-level concern and exhibited a tendency to practice proper cleaning methods more than in New Mexico and Panama. This indicates that public health messages appear to be more effective in Chile. However, since negative behavior changes, such as sweeping and vacuuming, occur at some level in all three populations, improved messages should help decrease risk of exposure to HPS.

  20. Hantavirus Public Health Outreach Effectiveness in Three Populations: An Overview of Northwestern New Mexico, Los Santos Panama, and Region IX Chile

    Directory of Open Access Journals (Sweden)

    Marjorie S. McConnell

    2014-02-01

    Full Text Available This research compared the effectiveness of Hantavirus Pulmonary Syndrome (HPS outreach programs in New Mexico, Panama, and Chile. Understanding the role of human demographics, disease ecology, and human behavior in the disease process is critical to the examination of community responses in terms of behavior changes. Attitudes, knowledge, and behavior across three populations were measured through the implementation of a self-administered questionnaire (N = 601. Surveys implemented in Chile and Panama in 2004, followed by northwestern New Mexico in 2008, attempted to assess knowledge and behavior change with respect to hantavirus in high- and lower-risk prevalence areas during endemic periods. While levels of concern over contracting hantavirus were lowest in New Mexico, they were highest in Panama. Respondents in Chile showed mid-level concern and exhibited a tendency to practice proper cleaning methods more than in New Mexico and Panama. This indicates that public health messages appear to be more effective in Chile. However, since negative behavior changes, such as sweeping and vacuuming, occur at some level in all three populations, improved messages should help decrease risk of exposure to HPS.

  1. First report of fusarium oxysporum f. sp. cubense tropical race 4 causing panama disease in cavendish bananas in Pakistan and Lebanon

    NARCIS (Netherlands)

    Ordoñez, N.; García-Bastidas, F.; Laghari, H.B.; Akkary, M.Y.; Harfouche, E.N.; Awar, al B.N.; Kema, G.H.J.

    2016-01-01

    Panama disease of banana, caused byFusarium oxysporumf. sp.cubense(Foc), poses a great risk to global banana production. Tropical race 4 (TR4) of Foc, which affects Cavendish bananas as well as many other banana cultivars (Ploetz 2006), was confirmed for the first time outside Southeast Asia in Jord

  2. First report of folliculinid ciliates affecting Caribbean scleractinian corals

    Science.gov (United States)

    Cróquer, A.; Bastidas, C.; Lipscomp, D.; Rodríguez-Martínez, R. E.; Jordan-Dahlgren, E.; Guzman, H. M.

    2006-05-01

    This is the first report of a ciliate of the genus Halofolliculina infecting hard coral species of six families (Acroporidae, Agaricidae, Astrocoeniidae, Faviidae, Meandrinidae and Poritidae) and milleporids in the Caribbean. Surveys conducted during 2004 2005 in Venezuela, Panama and México confirmed that this ciliate affects up to 25 scleractinian species. The prevalence of this ciliate at the coral community level was variable across sites, being most commonly found at Los Roques, Venezuela, and at Bocas del Toro, Panama (prevalence 0.2 2.5%), but rarely observed in the Mexican Caribbean. Ciliates were more prevalent within populations of acroporids ( Acropora palmata, Acropora cervicornis and Acropora prolifera) in Los Roques. Recent observations also corroborate the presence of these ciliates in Curacao and Puerto Rico. Our observations indicate that ciliates affecting corals have a wider distribution than previously thought, and are no longer exclusively found in the Indo-Pacific and Red Sea.

  3. An Eco-hydrologic Assessment of Small Experimental Catchments with Various Land Uses within the Panama Canal Watershed: Agua Salud Project

    Science.gov (United States)

    Crouch, T. D.; Ogden, F. L.; Stallard, R. F.; Smithsonian Tropical Research Institute, Panama Canal Watershed Experiment, Agua Salud Project

    2010-12-01

    Hydrological processes in the humid tropics are poorly understood and an important topic when it comes to water management in the seasonal tropics. The Smithsonian Tropical Research Institute, Panama Canal Watershed Experiment, Agua Salud Project, seeks to understand these processes and quantify the long-term effects of different land cover and uses across the Panama Canal Watershed. One of the project’s main objectives is to understand how reforestation effects seasonal stream flows. To meet this objective, a baseline characterization of hydrology on the small catchment scale is being assessed across different land uses typical in rural Panama. The small experimental catchments are found within Panama’s protected Soberania National Park and the adjacent headwaters of the Agua Salud and Mendoza Rivers, all of which are part of the greater Panama Canal Watershed. The land uses being monitored include a variety of control catchments as well as treated pasture sites. The catchments used for this study include a mature old regrowth forest, a 50% deforested or mosaic regrowth site, an active pasture and a monoculture invasive grass site (saccharum spontaneum) as experimental controls and two treated catchments that were recently abandoned pastures converted to teak and native species timber plantations. Installed instrumentation includes a network of rain gauges, v-notched weirs, atmometers, an eddy covariance system and an assortment of meteorological and automated geochemical sampling systems. Spatial, rainfall, runoff and ET data across these six geologically and topographically similar catchments are available from 2009 and 2010. Classic water balance and paired catchment techniques were used to compare the catchments on an annual, seasonal, and event basis. This study sets the stage for hydrologic modeling and for better understanding the effects of vegetation and land-use history on rainfall-runoff processes for the Agua Salud Project and Panama Canal

  4. Demography and natural history of the common fruit bat, Artibeus jamaicensis, on Barro Colorado Island, Panama

    Science.gov (United States)

    1991-01-01

    Bats were marked and monitored on Barro Colorado Island, Panama, to study seasonal and annual variation in distribution, abundance, and natural history from 1975 through 1980. Data gathered advances our knowledge about flocking; abundance; feeding strategies; social behavior; species richness; population structure and stability; age and sex ratios; life expectancy and longevity; nightly, seasonal, and annual movements; synchrony within and between species in reproductive activity; timing of reproductive cycles; survival and dispersal of recruits; intra-and inter-specific relationships; and day and night roost selection. Barro Colorado Island (BCI) harbors large populations of bats that feed on the fruit of canopy trees, especially figs. These trees are abundant, and the individual asynchrony of their fruiting rhythms results in a fairly uniform abundance of fruit. When figs are scarce, a variety of other fruits is available to replace them. This relatively dependable food supply attracts a remarkably rich guild of bats. Although we marked all bats caught, we tried to maximize the number of Artibeus jamaicensis netted, because it is abundant (2/3 of the total catch of bats on BCI), easily captured by conventional means (mist nets set at ground level), and responds well to handling and marking. An average Artibeus jamaicensis is a 45 g frugivore that eats roughly its weight in fruit every night. These bats prefer figs and often seek them out even when other types of fruit they might eat are far more abundant. They commute several hundred meters to feeding trees on the average, feeding on fruit from one to four trees each night, and returning to a single fruiting tree an average of four nights in succession. The bats tend to fly farther when fewer fig trees are bearing ripe fruit, and they feed from fewer trees, on the average, when the moon is nearly full. These bats, like their congeners, do not feed in the fruiting tree itself. Instead, they select a fruit and

  5. RESPUESTA DEL CULTIVO DEL PLÁTANO A DIFERENTES PROPORCIONES DE SUELO Y BOCASHI, COMPLEMENTADAS CON FERTILIZANTE MINERAL EN ETAPA DE VIVERO

    Directory of Open Access Journals (Sweden)

    David Ramos Agüero

    2016-01-01

    Full Text Available Una alternativa a la disminución de las dosis de fertilizantes a aplicar a los cultivos, la constituye la aplicación de abonos orgánicos (compost, biosólidos, entre otros, los cuales pueden proveer los nutrimentos requeridos por las plantas; un ejemplo de ello lo constituye el Bocashi, cuyo uso aumenta la cantidad de microorganismos en el suelo así como mejora sus características físicas y suministra nutrimentos a las plantas. Por estas razones, la presente investigación se realizó con el objetivo de evaluar la respuesta del plátano clon Cuerno Rosado a la aplicación conjunta del abono orgánico tipo Bocashi y fertilizante mineral, en la etapa de vivero del cultivo. Los experimentos se ejecutaron en Bocas del Toro, Panamá, durante el período octubre–diciembre de 2011. Se estudiaron un total de seis tratamientos ubicados en bloques al azar y fueron realizadas diferentes evaluaciones relacionadas con el crecimiento de las plantas en esta fase fisiológica. Los resultados demostraron que es posible la producción de plántulas de plátano en vivero, con un adelanto de siete días con respecto al control de producción (suelo + 3 g de fosfato diamónico (DAP por planta. A partir de la proporción 50:50 (v/v del sustrato suelo: Bocashi, con la adición de 1,5 g de DAP por bolsa se logra un adecuado crecimiento de las plantas en variables como altura, diámetro del pseudotallo y número de hojas. Además, las plantas cuentan con una concentración de nutrientes similar a las que crecieron con el tratamiento de producción.

  6. Hantavirus infection and habitat associations among rodent populations in agroecosystems of Panama: implications for human disease risk.

    Science.gov (United States)

    Armién, Aníbal G; Armién, Blas; Koster, Frederick; Pascale, Juan M; Avila, Mario; Gonzalez, Publio; de la Cruz, Manuel; Zaldivar, Yamitzel; Mendoza, Yaxelis; Gracia, Fernando; Hjelle, Brian; Lee, Sang-Joon; Yates, Terry L; Salazar-Bravo, Jorge

    2009-07-01

    Hantavirus cardiopulmonary syndrome (HCPS), which is caused by infection with Choclo virus, is uncommon in Panama, yet seropositivity among rural residents is as high as 60%. To clarify the environmental risk factors favoring rodent-to-human transmission, we tested serum from 3,067 rodents captured over a five-year period for antibodies against recombinant N protein of hantavirus by enzyme immunoassay and strip immunoblot. Among 220 seropositive rodents, Oligoryzomys fulvescens, the reservoir of Choclo virus, had the highest overall seroprevalence (23.5%); more abundant rodents (Zygodontomys brevicauda and Sigmodon hirsutus) had lower seroprevalences. In the mixed (combined modern and traditional) productive agroecosystem, the highest seroprevalence was among O. fulvescens captured in residences and in crops grown within 40 meters of a residence, with significantly lower seroprevalence in adjacent pasture and non-productive vegetation. Thus, crop habitats may serve as refugia for invasion into adjacent human residences and suggests several interventions to reduce human infection.

  7. Un acercamiento al estado de salud y enfermedad en las comunidades de valles y quebradas del Noroeste Argentino desde una mirada biocultural (ca. 1000- 1550 AD

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    María Soledad Gheggi

    2015-12-01

    Full Text Available Se evalúan los efectos que los cambios demográficos, políticos y económicos propuestos para el Noroeste Argentino ca. 1000- 1550 A.D. habrían tenido sobre el modo de vida las poblaciones que lo habitaban a partir del estudio de condiciones patológicas del cráneo y de la dentición en una muestra ósea humana procedente de la Quebrada de Humahuaca, del Valle Calchaquí y de la Quebrada del Toro (N= 268. La baja frecuencia de  patologías poróticas e infecciones en la muestra completa sugiere que la mayoría de los individuos analizados no sufrieron importantes eventos de estrés nutricional-metabólico e infeccioso. Sin embargo, se registraron diferencias estadísticamente significativas en la prevalencia de patologías poróticas para ciertos sitios del Valle Calchaquí central. Estos resultados son interpretados a la luz de un enfoque biocultural que enfatiza el componente político-económico de las relaciones sociales del pasado. 

  8. Neglected tropical diseases in Central America and Panama: review of their prevalence, populations at risk and impact on regional development.

    Science.gov (United States)

    Hotez, Peter J; Woc-Colburn, Laila; Bottazzi, Maria Elena

    2014-08-01

    A review of the literature since 2009 reveals a staggering health and economic burden resulting from neglected tropical diseases in Panama and the six countries of Central America (referred to collectively here as 'Central America'). Particularly at risk are the 10.2million people in the region who live on less than $2 per day, mostly in Guatemala, Honduras, Nicaragua and El Salvador. Indigenous populations are especially vulnerable to neglected tropical diseases. Currently, more than 8million Central American children require mass drug treatments annually (or more frequently) for their intestinal helminth infections, while vector-borne diseases are widespread. Among the vector-borne parasitic infections, almost 40% of the population is at risk for malaria (mostly Plasmodium vivax infection), more than 800,000 people live with Chagas disease, and up to 39,000 people have cutaneous leishmaniasis. In contrast, an important recent success story is the elimination of onchocerciasis from Central America. Dengue is the leading arbovirus infection with 4-5million people affected annually and hantavirus is an important rodent-borne viral neglected tropical disease. The leading bacterial neglected tropical diseases include leptospirosis and trachoma, for which there are no disease burden estimates. Overall there is an extreme dearth of epidemiological data on neglected tropical diseases based on active surveillance as well as estimates of their economic impact. Limited information to date, however, suggests that neglected tropical diseases are a major hindrance to the region's economic development, in both the most impoverished Central American countries listed above, as well as for Panama and Costa Rica where a substantial (but largely hidden) minority of people live in extreme poverty.

  9. Characterization of seismicity at Volcán Barú, Panama: May 2013 through April 2014

    Science.gov (United States)

    Hopp, Chet J.; Waite, Gregory P.

    2016-12-01

    Volcán Barú, in the western province of Chiriquí, is Panama's youngest and most active volcano. Although Barú has experienced no historic eruptions, there have been four eruptive episodes in the last 1600 years, the most recent occurring 400-500 years ago (Sherrod et al., 2007). In addition, there have been four reported earthquake swarms in the last 100 years. The most recent swarm occurred in May of 2006, prompting a USGS hazard assessment (Sherrod et al., 2007). In order to characterize local seismicity and provide a reference for future monitoring efforts, we established a seismic network that operated from May 2013 through April 2014. The network consisted of eight temporary, single-component, short-period sensors loaned by OSOP Panama, and three permanent stations distributed over a 35 by 15 km area. During operation of the network, 91 local events were detected and located. These events were used to calculate a new 1-D velocity model for the region surrounding Barú. Of particular interest was a cluster of events located less than 5 km east of Barú at a depth of roughly 5 km. We used a template matching detection technique to identify another 47 smaller magnitude events in the area of this cluster. The largest events in the cluster exhibit a broad range of frequencies extending up to 20 Hz and focal mechanisms calculated for eight of the events suggest strike-slip and reverse faulting are the predominant source processes. The directions of maximum compression shown by these focal mechanisms are approximately radial with respect to the volcano, which may reflect the influence of a magmatic source beneath the edifice.

  10. The distribution of fruit and seed toxicity during development for eleven neotropical trees and vines in Central Panama.

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    Noelle G Beckman

    Full Text Available Secondary compounds in fruit mediate interactions with natural enemies and seed dispersers, influencing plant survival and species distributions. The functions of secondary metabolites in plant defenses have been well-studied in green tissues, but not in reproductive structures of plants. In this study, the distribution of toxicity within plants was quantified and its influence on seed survival was determined in Central Panama. To investigate patterns of allocation to chemical defenses and shifts in allocation with fruit development, I quantified variation in toxicity between immature and mature fruit and between the seed and pericarp for eleven species. Toxicity of seed and pericarp was compared to leaf toxicity for five species. Toxicity was measured as reduced hyphal growth of two fungal pathogens, Phoma sp. and Fusarium sp., and reduced survivorship of brine shrimp, Artemia franciscana, across a range of concentrations of crude extract. I used these measures of potential toxicity against generalist natural enemies to examine the effect of fruit toxicity on reductions of fruit development and seed survival by vertebrates, invertebrates, and pathogens measured for seven species in a natural enemy removal experiment. The seed or pericarp of all vertebrate- and wind-dispersed species reduced Artemia survivorship and hyphal growth of Fusarium during the immature and mature stages. Only mature fruit of two vertebrate-dispersed species reduced hyphal growth of Phoma. Predispersal seed survival increased with toxicity of immature fruit to Artemia during germination and decreased with toxicity to fungi during fruit development. This study suggests that fruit toxicity against generalist natural enemies may be common in Central Panama. These results support the hypothesis that secondary metabolites in fruit have adaptive value and are important in the evolution of fruit-frugivore interactions.

  11. The distribution of fruit and seed toxicity during development for eleven neotropical trees and vines in Central Panama.

    Science.gov (United States)

    Beckman, Noelle G

    2013-01-01

    Secondary compounds in fruit mediate interactions with natural enemies and seed dispersers, influencing plant survival and species distributions. The functions of secondary metabolites in plant defenses have been well-studied in green tissues, but not in reproductive structures of plants. In this study, the distribution of toxicity within plants was quantified and its influence on seed survival was determined in Central Panama. To investigate patterns of allocation to chemical defenses and shifts in allocation with fruit development, I quantified variation in toxicity between immature and mature fruit and between the seed and pericarp for eleven species. Toxicity of seed and pericarp was compared to leaf toxicity for five species. Toxicity was measured as reduced hyphal growth of two fungal pathogens, Phoma sp. and Fusarium sp., and reduced survivorship of brine shrimp, Artemia franciscana, across a range of concentrations of crude extract. I used these measures of potential toxicity against generalist natural enemies to examine the effect of fruit toxicity on reductions of fruit development and seed survival by vertebrates, invertebrates, and pathogens measured for seven species in a natural enemy removal experiment. The seed or pericarp of all vertebrate- and wind-dispersed species reduced Artemia survivorship and hyphal growth of Fusarium during the immature and mature stages. Only mature fruit of two vertebrate-dispersed species reduced hyphal growth of Phoma. Predispersal seed survival increased with toxicity of immature fruit to Artemia during germination and decreased with toxicity to fungi during fruit development. This study suggests that fruit toxicity against generalist natural enemies may be common in Central Panama. These results support the hypothesis that secondary metabolites in fruit have adaptive value and are important in the evolution of fruit-frugivore interactions.

  12. AVIFAUNA DEL BOSQUE SECO TROPICAL EN EL DEPARTAMENTO DEL TOLIMA (COLOMBIA: ANÁLISIS DE LA COMUNIDAD

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    Lozada Sergio

    2011-06-01

    Full Text Available RESUMENLa zona de vida Bosque Seco Tropical (bs-T en el Alto Valle del Magdalena (AVM,departamentos del Tolima, Cundinamarca y Huila, no cuenta con información detalladasobre el estado de su avifauna, por lo que se requieren estudios que profundicen yllenen este vacío. Nuestro objetivo fue analizar la comunidad de aves del bs-T en 37localidades del departamento del Tolima, Colombia, a través de revisiones de artículospublicados, documentos técnicos y listados de expertos no publicados. Registramos297 especies de aves y la tasa de registro de especies fue considerada como unavariable independiente que permitió comparaciones entre localidades con diferentesesfuerzos de muestreo; así, las localidades San Pablo y Corinto, con valores altospara esta variable, se convierten en localidades importantes para la conservación. Lalocalidad con el mayor número de especies registradas (162 fue la Laguna El Toro,probablemente porque se han realizado más estudios en dicha localidad. Las especiesen las categorías ecológicas II (de amplia tolerancia y III (de áreas abiertas registraronel mayor número de especies, 126 y 91 respectivamente; mientras que en la categoríaecológica I (especies asociadas bosque solo se registraron 35 especies. Con baseen curvas de rarefacción y el modelo de Clench estimamos entre el 92-93% de lasespecies esperadas para la región (ca. 322. Nosotros concluimos que el alto númerode especies de aves registradas en el bs-T del Tolima, se encuentra en las categoríasecológicas II y III, y estaría relacionada con la heterogeneidad vegetal y las diferentesunidades de paisaje en la región. Adicionalmente, el número de especies del bs-T en eldepartamento del Tolima supera los registros para la costa norte colombiana, y paísescomo Nicaragua, Costa Rica y México, en esa misma zona de vida.

  13. The Emberá, tourism and indigenous archaeology: "rediscovering" the past in Eastern Panama

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    Tomás Mendizábal

    2012-01-01

    Full Text Available En este artículo nos referimos al interés de los Emberá (un grupo indígena Amerindio en adquirir conocimientos de los restos materiales del pasado - como fragmentos cerámicos coloniales y prehispánicos - que se encuentran fácilmente en el Panamá Oriental. Situamos el interés de los Emberá (y su deseo de aprender más del pasado en el contexto del turismo indígena, que ha inspirado la articulación de nuevas narrativas sobre la historia e identidad de los Emberá. Adicionalmente, el descubrimiento accidental por los Emberá de restos materiales de períodos pasados ha instigado y facilitado la investigación arqueológica, un proceso que ha resultado en el intercambio recíproco de conocimientos entre los Emberá e investigadores académicos. Argumentamos aquí que esta relación recíproca puede contribuir a la descolonización de la arqueología, crear sinergias entre la antropología y la arqueología e incrementar la representación indígena en el turismo.

  14. “AL TORO POR LOS CUERNOS…”: CRISIS ES RIESGO Y ES OPORTUNIDAD ("THE BULL BY THE HORNS ..." CRISIS IS RISK AND OPPORTUNITY

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    Gurdián Fernández Alicia

    2010-11-01

    Full Text Available Resumen:En este artículo argumento que: a el derecho a la educación no se puede negar en tiempos de crisis, puesto que invertir en educación es una llave para romper círculos perversos y abre oportunidades para las personas; b un Estado, que se respete así mismo, no puede cuestionar los derechos de sus ciudadanas y ciudadanos; c ante una crisis, caben dos opciones: atemorizarse ante ella o enfrentarla con coraje para sacar el máximo provecho de las oportunidades que las crisis encierran; d las políticas en materia educativa y social, que se aplican en Costa Rica impulsadas por el Banco Mundial y sus agencias, no son nada ingenuas, todo lo contrario; e la colonialidad del ser emerge de la colonialidad del poder manejada por el Estado, y la colonialidad del saber es liderada por la ciencia moderna. A partir de la argumentación que planteo concluyo afirmando que es urgente iniciar una Revolución Educativa, a partir de un cuestionamiento participativo para generar las bases conceptuales que re-orienten los principios y objetivos de la investigación y de la enseñanza en Costa Rica.Abstract:In this paper I argue that a the right to education cannot be denied in times of crisis because education, as an investment, is a key to break vicious circles and create opportunities for people, b a State that respects itself cannot question the rights of its citizens; c before a crisis, there are two options: be frightened by it or face it with courage to take full advantage of the opportunities that the crisis enclose d social and educational policies applied in Costa Rica, are promoted by the World Bank and its agencies are nothing naive, on the contrary, e the coloniality of being emerges from the coloniality of power handled by the State and the coloniality of knowledge is being led by science modern. From the arguments raised I concluded by stating that it is urgent to start an educational revolution, from a participatory challenge to generate the

  15. The Role of Bullfighting and FC Barcelona in the Emancipation of Catalonia from Spain (El papel de la corrida de toros y FC Barcelona en la emancipación de Cataluña de España

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    TKac, John A.

    2014-09-01

    Full Text Available Abstract: This paper looks at the role that bullfighting and FC Barcelona have played in the growing independence movement in Catalonia. This article will discuss nations, the importance of bullfighting and soccer to Iberian cultures, Catalan political parties and their role in the nationalist movement, the vote to prohibit bullfighting and FC Barcelona´s increasing political conscious. I conclude that bullfighting and soccer have been used by political parties and those associated with the nationalist movement to foster feelings of difference with Spain. These feelings have been passed from the top down to the Catalan people and risk alienating those who are not in agreement with the nationalist movement. Resumen: Este trabajo examina el papel que la corrida de toros y el equipo de fútbol FC Barcelona han hecho en el movimiento continuo hacia la independencia en Cataluña. Discute el concepto de la nación, la importancia de las corridas y el fútbol en culturas ibéricas, partidos políticos catalanes y su rol en el voto a favor de la prohibición de las corridas en Cataluña y la evolución de la conciencia política cada vez más evidente de FC Barcelona. Concluyo que los partidos políticos y otros asociados con el movimiento hacia la independencia se han aprovechado de las corridas y el fútbol para destacar diferencias culturales con España. Esta actitud de diferencia se ha trasladado de arriba-abajo al pueblo catalán y el movimiento nacionalista corre el riesgo de alienar a los que no comparten sus creencias.

  16. The Role of Bullfighting and FC Barcelona in the Emancipation of Catalonia from Spain (El papel de la corrida de toros y FC Barcelona en la emancipación de Cataluña de España

    Directory of Open Access Journals (Sweden)

    John A. TKac

    2015-06-01

    Full Text Available Abstract: This paper looks at the role that bullfighting and FC Barcelona have played in the growing independence movement in Catalonia. This article will discuss nations, the importance of bullfighting and soccer to Iberian cultures, Catalan political parties and their role in the nationalist movement, the vote to prohibit bullfighting and FC Barcelona´s increasing political conscious. I conclude that bullfighting and soccer have been used by political parties and those associated with the nationalist movement to foster feelings of difference with Spain. These feelings have been passed from the top down to the Catalan people and risk alienating those who are not in agreement with the nationalist movement.Resumen: Este trabajo examina el papel que la corrida de toros y el equipo de fútbol FC Barcelona han hecho en el movimiento continuo hacia la independencia en Cataluña. Discute el concepto de la nación, la importancia de las corridas y el fútbol en culturas ibéricas, partidos políticos catalanes y su rol en el voto a favor de la prohibición de las corridas en Cataluña y la evolución de la conciencia política cada vez más evidente de FC Barcelona. Concluyo que los partidos políticos y otros asociados con el movimiento hacia la independencia se han aprovechado de las corridas y el fútbol para destacar diferencias culturales con España. Esta actitud de diferencia se ha trasladado de arriba-abajo al pueblo catalán y el movimiento nacionalista corre el riesgo de alienar a los que no comparten sus creencias.

  17. Caracterização da produção em toros do cogumelo comestível Lentinula edodes (Berk. Pegler na região oeste do Estado de São Paulo = Characterization of log cultivation of the edible mushroom Lentinula edodes (Berk. Pegler in western São Paulo State (Brazil

    Directory of Open Access Journals (Sweden)

    Cilene Ferreira de Queiroz Neves

    2008-10-01

    Full Text Available A pesquisa foi realizada nos municípios de Dracena, Junqueirópolis,Mirandópolis, Alianças, Ilha Solteira, Castilho, Araçatuba, Birigui e Guararapes, Estado de São Paulo, aplicando-se um questionário para 17 produtores. As informações sobre as etapas do cultivo de Shiitake em toros, catalogando e caracterizando os produtores e o cultivo,foram tabuladas no software Microsoft Excel for Windows. Os resultados evidenciaram que o cultivo de Shiitake, nesta região, é recente, está em franca expansão e os produtores possuem alto grau de escolaridade. O cultivo está localizado principalmente na zona rural eé realizado tanto por brasileiros descendentes de japoneses como por brasileiros nativos. O eucalipto e a mangueira são as árvores mais utilizadas. A alta ocorrência de contaminação nos toros pode ser por causa do cultivo realizado em ambientes sem controle de temperatura e umidade relativa e à ausência de um manejo adequado. A região contava, em 2004, com 45 mil toros inoculados e uma produtividade média de 200 g cogumelo fresco/toro. Os cogumelos embalados em bandejas de 200 g são vendidos principalmente para o Ceasa em feiras livres.This study was carried out in the towns of Dracena, Junqueirópolis, Mirandópolis, Alianças, Ilha Solteira, Castilho, Araçatuba, Birigui and Guararapes, São Paulo State, by surveying 17 Shiitakegrowers through a questionnaire. Data pertaining to the stages of log-Shiitake growing, recording and characterization of growers and growing systems were entered into Microsoft Excel for Windows. The results showed that Shiitake cultivation is recent and increasing inthis region, and that growers have a high education level. Shiitake cultivation is mainly located in rural areas, with both Brazilians of Japanese descent and native Brazilians growing it. The most commonly used trees are eucalyptus and mango. The high level of log contamination is perhaps due to growing without temperature or moisture

  18. La dote matrimonial en el Derecho castellano de la Baja Edad Media. Los protocolos notariales del Archivo Histórico Provincial de Cuenca (1504-1507 = The Dowry in Castilian Law in the Late Middle Ages: The Notary Records of the Provincial Historical...

    Directory of Open Access Journals (Sweden)

    Teresa Sánchez Collada

    2016-06-01

    Full Text Available El objetivo de nuestro artículo es alcanzar un mayor y mejor conocimiento, del concepto de la dote matrimonial en el Reino de Castilla, a finales de la Edad Media y en los albores de la Edad Moderna. Analizamos la normativa jurídica de la dote en el Derecho Castellano vigente en el siglo XV. En la legislación son evidentes las influencias del Derecho Romano, del Derecho Visigodo, de la obra jurídica del rey Alfonso X. Además, estudiamos el modo en que se desarrolló la praxis jurídica de los notarios conquenses, en los primeros años del siglo XVI (antes y después de ser promulgadas las Leyes de Toro en 1505, a través de las Cartas de dote y arras conservadas en el AHPC, que constituyen una fuente documental que aporta valiosa información en diversos aspectos, económicos, sociales y humanos, de la vida cotidiana de las gentes de Cuenca.The aim of this article is to achieve a more thorough and detailed understanding of the concept of dowry in the late Middle Ages and at the onset of the Early Modern age. The first part of this study deals with the legal norms related to dowry in Castilian law during the fifteenth century. Roman law, Visigothic law and the legal works of king Alfonso X the Learned have significantly influenced Castilian legislation on this issue. The second part of the study focuses on the legal practice of notaries in Cuenca during the last decades of the fifteenth century and the first years of the sixteenth (before and after the Law of Toro in 1505. The records examined are dowry contracts from the Historical Provincial Archive of Cuenca (AHPC, a documental source that provides valuable information on various social, economic and human aspects of daily life in Cuenca.

  19. La educación en Toro en el siglo XVI: las primeras letras y el estudio de gramática

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    Francisco Javier LORENZO PINAR

    2010-03-01

    Full Text Available RESUMEN: El tema de la educación en la provincia de Zamora ha recibido un tratamiento preferentemente centrado en los siglos XIX y XX1; no obstante, algunos de los trabajos más recientes han dirigido su atención hacia la problemática educativa de finales de la Edad Moderna zamorana2. Nuestro objetivo es allegarnos al conocimiento de dos tipos de enseñanza impartidos en la ciudad toresana durante el Quinientos, intentando cubrir de este modo un vacío temático y cronológico. Por una parte, perfilaremos el tipo de instrucción inicial conocida como «primeras letras», y, por otra, la fundación de un estudio de gramática destinado no sólo a estudiantes del común, sino también a pobres y clérigos de menores órdenes, que inician su andadura en la segunda mitad de esta centuria.

  20. Association of anthropogenic land use change and increased abundance of the Chagas disease vector Rhodnius pallescens in a rural landscape of Panama.

    Science.gov (United States)

    Gottdenker, Nicole L; Calzada, José E; Saldaña, Azäel; Carroll, C Ronald

    2011-01-01

    Anthropogenic disturbance is associated with increased vector-borne infectious disease transmission in wildlife, domestic animals, and humans. The objective of this study was to evaluate how disturbance of a tropical forest landscape impacts abundance of the triatomine bug Rhodnius pallescens, a vector of Chagas disease, in the region of the Panama Canal in Panama. Rhodnius pallescens was collected (n = 1,186) from its primary habitat, the palm Attalea butyracea, in five habitat types reflecting a gradient of anthropogenic disturbance. There was a high proportion of palms infested with R. pallescens across all habitat types (range = 77.1-91.4%). Results show that disturbed habitats are associated with increased vector abundance compared with relatively undisturbed habitats. Bugs collected in disturbed sites, although in higher abundance, tended to be in poor body condition compared with bugs captured in protected forest sites. Abundance data suggests that forest remnants may be sources for R. pallescens populations within highly disturbed areas of the landscape.

  1. Strong Input and Removal of Rare Earth Elements (REEs) Affect Dissolved Nd Isotope Composition of Seawater in the Panama Basin and the Eastern Equatorial Pacific

    Science.gov (United States)

    Frank, M.; Bosse, L. M.; Grasse, P.; Pahnke, K.; Hathorne, E. C.

    2014-12-01

    The distributions of dissolved REEs and Nd isotopes are controlled by inputs from land and water mass mixing. We present new data from the Panama Basin in the Eastern Equatorial Pacific (EEP) extending previous studies in the frame of the German SFB 754 project. The samples were taken following GEOTRACES protocols along a section from close to the Panamanian coast into the deep Panama Basin during FS Meteor cruise M90 in October/November 2012. Elevated Nd concentrations near 13 pmol/kg are found at the surface, which rapidly decrease to a subsurface minimum of 8 pmol/kg near 100m depth and then increase with water depth reaching maximum values of 18 pmol/kg at 3000 m water depth. However, these deep water concentrations are more than a factor of 2 lower than observed for North Pacific Deep Water (NPDW), which is the prevailing Pacific deep water mass at the sampling locations. All the REEs are depleted compared to NPDW suggesting that efficient uptake and scavenging dominate compared to release from remineralized particles. The surface waters show the most radiogenic Nd isotope values (ɛNd = +4.3) so far obtained globally. In combination with the Nd concentration maxima at the surface this suggests riverine dissolved and fine grained particulate inputs from southern Panama and Colombia where highly radiogenic volcanic rocks are exposed. Elevated ɛNd values above -1 in the entire water column are more radiogenic than in NPDW in the Central Pacific and in waters further south in the EEP, which confirms that release of REEs from the sinking volcanogenic material affects the entire water column. These data clearly document that significant inputs from land combined with efficient scavenging and removal in surface and deep waters control the distribution of REEs and Nd isotopes in the Panama Basin and the adjacent EEP (Grasse et al., 2012), which also has important implications for the distribution of other trace metals.

  2. Impact of Hepatitis A vaccination with a two-dose schedule in Panama: Results of epidemiological surveillance and time trend analysis.

    Science.gov (United States)

    Estripeaut, Dora; Contreras, Rodolfo; Tinajeros, Olga; Castrejón, Maria Mercedes; Shafi, Fakrudeen; Ortega-Barria, Eduardo; DeAntonio, Rodrigo

    2015-06-22

    In April 2007, Panama introduced Hepatitis A universal vaccination using a two-dose schedule (Havrix(®)junior; GSK Vaccines, Belgium). We assessed the impact of this hepatitis A vaccine three years after it was recommended for universal mass vaccination in Panama. Hepatitis A vaccination impact was assessed using two different approaches. The first approach used retrospective data (incidence and number of cases for all age groups), collected from the passive surveillance of the Epidemiologic Surveillance System of the Ministry of Health of hepatitis A and unspecified hepatitis before (2000-2006) and after (2008-2010) introduction of hepatitis A vaccine. The second approach was a prospective hospital-based active surveillance for hepatitis cases conducted in subjects (0-14 years) during 2009-2011 at three sentinel hospitals in Panama. Overall, the annual incidence of hepatitis A and unspecified hepatitis in 2008, 2009 and 2010 were 13.1, 7.9 and 3.7 per 100,000 subjects, lower than the baseline incidence of 51.1 per 100,000 subjects. In comparison to the mean baseline period (2000-2006), there was an 82% mean reduction in the overall hepatitis-related outcomes (hepatitis A and unspecified hepatitis) after vaccine introduction (2008-2010) in all age groups. In the hospital-based surveillance (2009-2011), of the 42 probable viral hepatitis A cases, nine cases were confirmed as acute hepatitis A (8 in 2009, 1 in 2010). Of these confirmed cases, two belonged to the targeted vaccine group (1-4 years) but were not vaccinated. Our study suggests that the introduction of two-dose hepatitis A vaccines in Panama has contributed to the reduction in the incidence of overall hepatitis-related outcomes for all age groups, suggesting herd protection. Additional monitoring is required to document a sustained long-term effect. Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved.

  3. Complete Genome and Methylome Sequences of Salmonella enterica subsp. enterica Serovar Panama (ATCC 7378) and Salmonella enterica subsp. enterica Serovar Sloterdijk (ATCC 15791).

    Science.gov (United States)

    Yao, Kuan; Muruvanda, Tim; Roberts, Richard J; Payne, Justin; Allard, Marc W; Hoffmann, Maria

    2016-03-17

    Salmonella enterica spp. are pathogenic bacteria commonly associated with food-borne outbreaks in human and animals. Salmonella enterica spp. are characterized into more than 2,500 different serotypes, which makes epidemiological surveillance and outbreak control more difficult. In this report, we announce the first complete genome and methylome sequences from two Salmonella type strains associated with food-borne outbreaks, Salmonella enterica subsp. enterica serovar Panama (ATCC 7378) and Salmonella enterica subsp. enterica serovar Sloterdijk (ATCC 15791).

  4. Cenozoic tectonic evolution leading to the Choco-South America collision (Panama-Colombia), from seismic profiles interpretations

    Science.gov (United States)

    Barat, F.; Maurin, T.; Auxietre, J.; Mercier de Lépinay, B.; Salmon, P.; Sosson, M. M.

    2012-12-01

    The Choco Block is located in eastern Panama and western Colombia, at the western boundary of the Caribbean Plate (CP), and is mainly characterized by a Late Cretaceous-Paleogene volcanic arc overlying the Caribbean Large Igneous Province (CLIP). This block was accreted to South American plate (SAP) during Middle to Late Miocene. Geological, chronological and structural data are scarce in the Choco Block. Our study aims at reconstructing the evolution at a local scale, to provide new constraints to the regional scale tectonic processes that have occurred since the Paleogene. In that perspective, we have interpreted offshore seismic reflection profiles. This interpretation was supported by biostratigraphic data from two wells. We focused our studies in the Uraba Gulf area, a triple junction between the Choco Block, the SAP and the Caribbean oceanic plateau. This poorly understood zone offers rare observation of two accretionary wedges, the North Panama Deformed Belt (NPDB), and the Sinu Belt, located at the margins of the Choco Block and the SAP, respectively. They are the results of two opposite convergent zones, and collide along the active Uramita strike-slip Fault Zone (UFZ), a suture zone between the Choco Block and the SAP. This area may provide information on the ages of both accretionary wedges, on the tectonic processes responsible for the disappearance of the CP, and on the late formation of the Choco Block. Our results evidence a northward propagating deformation along the Choco Block, miocene or older in the South of the Uraba Gulf, pliocene in the North of the Uraba Gulf, and active along the northern margin of Panama. This deformation is the result of the progressive accretion of Choco Block along the SAP. At the Uraba triple junction, a thick sedimentary sequence was deposited since late Miocene. North verging progradations suggest that sediments came from the drainage of the western cordillera of Colombia by a Paleo-Sinu river and actual Atrato river

  5. Caracterización de la población pediátrica con displasia del desarrollo de cadera en el Hospital Infantil Universitario Rafael Henao Toro de la ciudad de Manizales, Colombia. 2004-2011

    OpenAIRE

    Bolaños Terán, Nataly; Cañón Buitrago, Sandra Constanza; Castaño Castrillón, José Jaime; Duque Rojas, Nelson Camilo; Franco Mejía, Natalia; López Pino, Fabián Mauricio; Pineda Cuaspa, Mario Andrés; Ortega Narváez, Santiago Andrés

    2012-01-01

    Objetivo: Caracterizar los pacientes con displasia de cadera atendidos en el Hospital Infantil Universitario de la ciudad de Manizales (Caldas, Colombia) entre los años 2004 y 2011. Materiales y métodos: Estudio de corte trasversal. Se estudiaron 198 pacientes pediátricos. Se tomaron variables asociadas a esta patología y se revisó historias clínicas. Resultados: Se encontró que la cadera izquierda, presentó una proporción de 35,6%; hiperlaxos 31,9%, 3,1% embarazo gemelar, pliegues asimétrico...

  6. Tipos de fibras en el músculo esquelético del toro bravo (bos taurus ibericus) : su relación con la caída durante la lídia / 2001.

    OpenAIRE

    2001-01-01

    Tesis-Universidad de Murcia. Consulte la tesis en: BCA. GENERAL. ARCHIVO UNIVERSITARIO. T.M.-2275. Consulte la tesis en: BCA. GENERAL. Fac. Veterinaria. Departamentos. E002B TESIS 95. Consulte la tesis en: BCA. GENERAL. Fac. Veterinaria. Sala de estudio. Tesis-V 153.

  7. Tracing the Sources of Atmospheric Phosphorus Deposition to a Tropical Rain Forest in Panama Using Stable Oxygen Isotopes.

    Science.gov (United States)

    Gross, A; Turner, B L; Goren, T; Berry, A; Angert, A

    2016-02-01

    Atmospheric dust deposition can be a significant source of phosphorus (P) in some tropical forests, so information on the origins and solubility of atmospheric P is needed to understand and predict patterns of forest productivity under future climate scenarios. We characterized atmospheric dust P across a seasonal cycle in a tropical lowland rain forest on Barro Colorado Nature Monument (BCNM), Republic of Panama. We traced P sources by combining remote sensing imagery with the first measurements of stable oxygen isotopes in soluble inorganic phosphate (δ(18)OP) in dust. In addition, we measured soluble inorganic and organic P concentrations in fine (1 μm) aerosol fractions and used this data to estimate the contribution of P inputs from dust deposition to the forest P budget. Aerosol dry mass was greater in the dry season (December to April, 5.6-15.7 μg m(-3)) than the wet season (May to November, 3.1-7.1 μg m(-3)). In contrast, soluble P concentrations in the aerosols were lower in the dry season (980-1880 μg P g(-1)) than the wet season (1170-3380 μg P g(-1)). The δ(18)OP of dry-season aerosols resembled that of nearby forest soils (∼19.5‰), suggesting a local origin. In the wet season, when the Trans-Atlantic Saharan dust belt moves north close to Panama, the δ(18)OP of aerosols was considerably lower (∼15.5‰), suggesting a significant contribution of long-distance dust P transport. Using satellite retrieved aerosol optical depth (AOD) and the P concentrations in aerosols we sampled in periods when Saharan dust was evident we estimate that the monthly P input from long distance dust transport during the period with highest Saharan dust deposition is 88 ± 31 g P ha(-1) month(-1), equivalent to between 10 and 29% of the P in monthly litter fall in nearby forests. These findings have important implications for our understanding of modern nutrient budgets and the productivity of tropical forests in the region under future climate scenarios.

  8. Evaluation of the Uniform Field Distortions Produced by a Toroidal Dielectric Body / Novērtējums Viendabīga Elektriskā Lauka Izkropļojumiem, Kurus Rada Toroīda Formas Dielektrisks Ķermenis

    Science.gov (United States)

    Krasnitsky, Y. A.; Popov, A. E.; Kalnacs, A.

    2015-08-01

    Distortions of the structure of a uniform electric field when a dielectric body with a toroidal shape is placed in it are considered in the quasi-static approximation. The rate of distortion is proposed to estimate through the effective permittivity of toroid determined by solving the corresponding boundary value problem. Some numerical estimates obtained using specially developed software in the language of Matlab are given. Darbā apskatīts kvazi-statisks tuvinājums viendabīga elektriskā lauka izkropļojumiem gadījumos, kad tajā tiek ievietots dielektrisks toroīda formas ķermenis. Izkropļojumu apmēru tiek piedāvāts novērtēt ar toroīda efektīvo caurlaidību, kas tiek noteikta, atrisinot atbilstošo robežvērtību uzdevumu. Tiek doti skaitliski novērtējumi, kas iegūti, lietojot speciāli valodā Matlab izstrādātu programmatūru.

  9. El conflicto entre el comercio del Perú y los dueños de mulas, en 1740, por el precio del flete de los cajones de plata entre Babahoyo y Guaranda (Ecuador

    Directory of Open Access Journals (Sweden)

    Ramos Gómez, Luis

    2002-04-01

    Full Text Available In 1740 the Comercio del Perú’s cashflow -which had been taken to Panama for the Portobelo Fair- had to be moved to Guayaquil and later to Quito due to the English threat over Panama. This article analyses the conflict between the owners of mules and the merchants over the freight prices between Babahoyo and Guaranda, as well as the role played by the then President of Quito, Jose de Araujo y Río, who was moved by personal interest rather than by the search for justice. We also offer a compilation of data related to burden transportation through the Montaña.

    En 1740, la amenaza inglesa sobre Panamá hizo que los caudales del Comercio del Perú, allí desplazados para celebrar la Feria de Portobelo, fuesen trasladados a Guayaquil y de allí a Quito. En el artículo se analiza el contencioso entre los dueños de mulas y los comerciantes por el precio de los fletes entre Babahoyo y Guaranda, así como el papel jugado por el presidente de Quito don José de Araujo y Río, a quien le movían más sus intereses personales que el obrar en justicia. También se recogen en el trabajo una serie de datos relacionados con el transporte de las cargas a través de la Montaña.

  10. Cognitive Impairment, Depression, and Cooccurrence of Both among the Elderly in Panama: Differential Associations with Multimorbidity and Functional Limitations

    Directory of Open Access Journals (Sweden)

    Alcibiades E. Villarreal

    2015-01-01

    Full Text Available Cognitive impairment and depression are common mental health problems among the elderly, although few studies have examined their cooccurrence in older adults in Latin America. The purpose of this study was to examine cognitive impairment, depression, and cooccurrence of the two conditions and associated factors in a sample of older adults in Panama. This study included 304 community-dwelling elderly (≥65 years individuals. Participants underwent a clinical interview and assessments of cognitive function by the Minimental State Examination and depressive symptoms by the Geriatric Depression Scale. Limitations in basic (BADL and instrumental (IADL activities in daily living and the presence of chronic illnesses were recorded. Multinomial regression analysis revealed that cooccurrence of cognitive impairment and depressive symptoms was explained by increasing age (OR: 3.2, 95% CI: 1.20, 8.30, low education (OR: 3.3, 95% CI: 1.33, 8.38, having four or more chronic conditions (OR: 11.5, 95% CI: 2.84, 46.63, and BADL limitations (OR: 5.0, 95% CI: 1.26, 19.68. Less education and limitations in BADL and IADL increased the odds of cognitive impairment alone, while less education and three or more chronic conditions increased the odds of depression alone. These findings underscore the relevance of assessing cognitive impairment in the elderly as part of a long-term approach to managing depression and vice versa.

  11. Consumption of fresh fruit juice: how a healthy food practice caused a national outbreak of Salmonella Panama gastroenteritis.

    Science.gov (United States)

    Noël, Harold; Hofhuis, Agnetha; De Jonge, Rob; Heuvelink, Annet E; De Jong, Aarieke; Heck, Max E O C; De Jager, Carolien; van Pelt, Wilfrid

    2010-04-01

    In spring 2008, 15 Salmonella Panama laboratory-confirmed cases were reported within 2 weeks, twice the average annual number of reported cases of this infrequent serotype in The Netherlands. To identify the source responsible for this national outbreak, we carried out an epidemiological, microbiological, and trace-back investigation. In total, 33 cases were reported, and a matched case-control study (23 cases/24 controls) identified consumption of fresh (unpasteurized) fruit juice purchased from a large retailer (X) as the only significant risk factor for illness (matched odds ratio: 7.4, 95% confidence interval: 1.5-37.2). Though the bacterium could not be isolated from fruit juice, the minimal pH value for growth of the causative strain of the outbreak (3.4) was compatible with survival in fruit juice from X. The outbreak strain showed acid resistance and adaptive properties that may explain how it could have caused infection through fresh orange juice. To our knowledge, this is the first documented outbreak related to fresh fruit juice consumption in western Europe since 1922. A growing number of consumers who are seeking healthy food practices are exposed to the infectious risks related to unpasteurized fresh fruit juice. Labeling regulations should be adapted to properly indicate to the consumers that unpasteurized fresh fruit juices remain vulnerable to microbial contamination. Frequent microbiological screening and strict compliance with food safety procedures should reduce the infectious hazards of fresh fruit juices.

  12. The demography of Atelopus decline: Harlequin frog survival and abundance in central Panama prior to and during a disease outbreak

    Directory of Open Access Journals (Sweden)

    Rebecca McCaffery

    2015-07-01

    Full Text Available Harlequin frogs (Bufonidae: Atelopus are a species-rich genus of Neotropical toads that have experienced disproportionately severe population declines and extinctions caused by the amphibian chytrid fungus Batrachochytrium dendrobatidis (Bd. The genus Atelopus is of high conservation concern, but relatively little is known about the population dynamics and life history of the majority of species. We examined the demography of one population of Atelopus zeteki and two populations of A. varius in central Panama using three to six years of mark-recapture data collected prior to and during an outbreak of Bd. We estimated male survival probabilities prior to the arrival of Bd and sex-specific population sizes for these three populations using state-space Bayesian population models. Prior to the arrival of Bd, monthly apparent survival probabilities were higher for A. varius males than for A. zeteki males, and recaptures among years were low in both species. Abundance of both species varied over time and declined rapidly after the arrival of Bd. Male densities were generally greater than female densities, though female densities were higher or equivalent to males after the arrival of Bd. Estimates of survival and abundance over time may be explained by differences in the use of stream habitat by the two sexes and three populations, both during and between breeding seasons. These estimates provide key baseline population information that can be used to inform reintroductions from captive assurance colonies and studies of extant Atelopus populations as part of conservation and management programs.

  13. Genetic, spatial, and social relationships among adults in a group of howler monkeys (Alouatta palliata) from Barro Colorado Island, Panama

    DEFF Research Database (Denmark)

    Milton, Katharine; Nolin, David A.; Ellis, Kelsey

    2016-01-01

    Kinship plays an important role in the social behavior of many primate species, including patterns of intra-group affiliation and cooperation. Within social groups, kinship is strongly affected by dispersal patterns, with the degree of relatedness among group-mates expected to decrease as the ten......Kinship plays an important role in the social behavior of many primate species, including patterns of intra-group affiliation and cooperation. Within social groups, kinship is strongly affected by dispersal patterns, with the degree of relatedness among group-mates expected to decrease...... as the tendency to disperse increases. In primate species characterized by bisexual dispersal, relatedness among adult group-mates is predicted to be low, with social interactions shaped largely by factors other than kinship. To date, however, few studies have examined the role of kinship in social interactions...... in bisexually dispersing species. Accordingly, we collected genetic, spatial and behavioral data on all adult members (three males, six females) in a group of free-ranging mantled howler monkeys (Alouatta palliata) - a bisexually dispersing species of atelid primate - from Barro Colorado Island (BCI), Panama...

  14. Estimation of Aedes aegypti (Diptera: Culicidae) population size and adult male survival in an urban area in Panama.

    Science.gov (United States)

    Neira, Marco; Lacroix, Renaud; Cáceres, Lorenzo; Kaiser, Paul E; Young, Josue; Pineda, Lleysa; Black, Isaac; Sosa, Nestor; Nimmo, Derric; Alphey, Luke; McKemey, Andrew

    2014-11-01

    Traditional mosquito control strategies rely heavily on the use of chemical insecticides. However, concerns about the efficiency of traditional control methods, environmental impact and emerging pesticide resistance have highlighted the necessity for developing innovative tools for mosquito control. Some novel strategies, including release of insects carrying a dominant lethal gene (RIDL®), rely on the sustained release of modified male mosquitoes and therefore benefit from a thorough understanding of the biology of the male of the species. In this report we present the results of a mark-release-recapture study aimed at: (i) establishing the survival in the field of laboratory-reared, wild-type male Aedes aegypti and (b) estimating the size of the local adult Ae. aegypti population. The study took place in Panama, a country where recent increases in the incidence and severity of dengue cases have prompted health authorities to evaluate alternative strategies for vector control. Results suggest a life expectancy of 2.3 days for released male mosquitoes (confidence interval: 1.78-2.86). Overall, the male mosquito population was estimated at 58 males/ha (range 12-81 males/ha), which can be extrapolated to an average of 0.64 pupae/person for the study area. The practical implications of these results are discussed.

  15. Observations on the endemic pygmy three-toed sloth, Bradypus pygmaeus of Isla Escudo de Veraguas, Panama.

    Directory of Open Access Journals (Sweden)

    Sam Kaviar

    Full Text Available Our objective was to ascertain the population status of the Pygmy Three-toed Sloth, Bradypus pygmaeus, an IUCN Critically Endangered species, on Isla Escudo de Veraguas, Panama. Bradypus pygmaeus are thought to be folivorous mangrove specialists; therefore we conducted a visual systematic survey of all 10 mangrove thickets on the island. The total mangrove habitat area was measured to be 1.67 ha, comprising 0.024% of the total island area. The population survey found low numbers of B. pygmaeus in the mangrove thickets and far lower numbers outside of them. The connectivity of subpopulations between these thickets on the island is not established, as B. pygmaeus movement data is still lacking. We found 79 individuals of B. pygmaeus; 70 were found in mangroves and 9 were observed just beyond the periphery of the mangroves in non-mangrove tree species. Low population number, habitat fragmentation and habitat loss could lead to inbreeding, a loss of genetic diversity, and extinction of B. pygmaeus.

  16. Long-term assessment of the oil spill at Bahia Las Minas, Panama. Interim report. Volume 1: Executive summary

    Energy Technology Data Exchange (ETDEWEB)

    Keller, B.D.; Jackson, J.B.C.

    1991-10-01

    On April 27, 1986, at least 8 million liters of medium-weight crude oil spilled from a ruptured storage tank into the Bahia Las Minas on the Caribbean Coast of Panama. Coral reefs, seagrass communities, and mangroves were affected. The area of the spill was also the location of the Smithsonian Tropical Research Institute's Galeta Laboratory where resident and visiting scientists have been studying the ecology of the Bahia Las Minas and the adjacent areas for over 15 years. Because this was a unique opportunity to assess the immediate biological effects following a major spill in the Caribbean region and to monitor the subsequent recovery, the U.S. Department of the Interior Minerals Management Service supported a 5-year environmental study. The objectives of the study are to identify any long-term changes in the marine environment that may have resulted from the spill and to understand the ecological processes causing such changes. This is the first report from the study and addresses the effects observed during the first two years of the effort.

  17. Long-term assessment of the oil spill at Bahia Las Minas, Panama. Interim report. Volume 2: Technical report

    Energy Technology Data Exchange (ETDEWEB)

    Keller, B.D.; Jackson, J.B.C.

    1991-10-01

    On April 27, 1986, at least 8 million liters of medium-weight crude oil spilled from a ruptured storage tank into the Bahia Las Minas on the Caribbean Coast of Panama. Coral reefs, seagrass communities, and mangroves were affected. The area of the spill was also the location of the Smithsonian Tropical Research Institute's Galeta Laboratory where resident and visiting scientists have been studying the ecology of the Bahia Las Minas and the adjacent areas for over 15 years. Because this was a unique opportunity to assess the immediate biological effects following a major spill in the Caribbean region and to monitor the subsequent recovery, the U.S. Department of the Interior Minerals Management Service supported a 5-year environmental study. The objectives of the study are to identify any long-term changes in the marine environment that may have resulted from the spill and to understand the ecological processes causing such changes. This is the first report from the study and addresses the effects observed during the first two years of the effort.

  18. Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs.

    Science.gov (United States)

    Viana, Inés G; Valiela, Ivan; Martinetto, Paulina; Monteiro Pierce, Rita; Fox, Sophia E

    2015-02-01

    Stable isotopic N, C, and S in food webs of 8 mangrove estuaries on the Pacific coast of Panama were measured to 1) determine whether the degree of deforestation of tropical forests on the contributing watersheds was detectable within the estuarine food web, and 2) define external sources of the food webs within the mangrove estuaries. Even though terrestrial rain forest cover on the contributing watersheds differed between 23 and 92%, the effect of deforestation was not detectable on stable isotopic values in food webs present at the mouth of the receiving estuaries. We used stable isotopic measures to identify producers or organic sources that supported the estuarine food web. N isotopic values of consumers spanned a broad range, from about 2.7 to 12.3‰. Mean δ(15)N of primary producers and organic matter varied from 3.3 for macroalgae to 4.7‰ for suspended particulate matter and large particulate matter. The δ(13)C consumer data varied between -26 and -9‰, but isotopic values of the major apparent producers or organic matter sampled could not account for this range variability. The structure of the food web was clarified when we added literature isotopic values of microphytobenthos and coralline algae, suggesting that these, or other producers with similar isotopic signature, may be part of the food webs. Copyright © 2014 Elsevier Ltd. All rights reserved.

  19. Estimation of Aedes aegypti (Diptera: Culicidae population size and adult male survival in an urban area in Panama

    Directory of Open Access Journals (Sweden)

    Marco Neira

    2014-11-01

    Full Text Available Traditional mosquito control strategies rely heavily on the use of chemical insecticides. However, concerns about the efficiency of traditional control methods, environmental impact and emerging pesticide resistance have highlighted the necessity for developing innovative tools for mosquito control. Some novel strategies, including release of insects carrying a dominant lethal gene (RIDL®, rely on the sustained release of modified male mosquitoes and therefore benefit from a thorough understanding of the biology of the male of the species. In this report we present the results of a mark-release-recapture study aimed at: (i establishing the survival in the field of laboratory-reared, wild-type male Aedes aegypti and (b estimating the size of the local adult Ae. aegypti population. The study took place in Panama, a country where recent increases in the incidence and severity of dengue cases have prompted health authorities to evaluate alternative strategies for vector control. Results suggest a life expectancy of 2.3 days for released male mosquitoes (confidence interval: 1.78-2.86. Overall, the male mosquito population was estimated at 58 males/ha (range 12-81 males/ha, which can be extrapolated to an average of 0.64 pupae/person for the study area. The practical implications of these results are discussed.

  20. Clinical observation of desensitizing effects of hybrid coat and toro fluorine on tooth dentin after tooth preparation%劲润与多乐氟对备牙后牙本质敏感脱敏效果临床观察

    Institute of Scientific and Technical Information of China (English)

    辜健敏; 赵峰

    2014-01-01

    Objective To evaluate and compare the desensitization effects of hybrid coat dentin protection film and toro fluorine on crown-bridge preparation of tooth dentin of vital pulp abutment tooth. Methods 60 patients( total 137 vital pulp teeth)were selected and divided randomly into three groups:hybrid coat group,toro fluorine group and control group. The patientsˊcrowns were temporarily repaired after preparation of teeth dentin for the vital pulp abutment teeth under local anesthesia. Seven days later,the temporary crown was removed;and hybrid coat and toro fluorine,and distilled water were applied on the surface of vital pulp abutment teeth,respectively,and the sensitivity of the vital pulp teeth to mechanical and temperature stimulations was evaluated based on visible analogue scale/score( VAS ). Results The VAS values of the hybrid coat group and toro fluorine group after the desensitization treatment were lower than those before the treatment,and were significantly lower than that of the control group(P0. 05)and the control group itself had no statistical difference in VAS value before and after desensitization(P>0. 05). Conclusion Both hybrid coat dentin protection film and toro fluorine on crown-bridge prepared tooth dentin of vital pulp abutment tooth can relieve the dentin sensitivity symptoms of vital pulp abutment tooth after full-crown preparation,and they have not statistical difference in efficiency.%目的评价、对比劲润牙本质保护膜与多乐氟对冠桥活髓基牙预备后牙本质敏感的脱敏效果。方法将60例患者(共137颗活髓牙)随机分为3组:劲润组、多乐氟组、对照组,局麻下活髓基牙行牙体预备后临时冠修复。7 d后去除临时冠,采用可视分级评价法( VAS),观察在活髓基牙表面分别涂抹劲润、多乐氟及蒸馏水前后,机械刺激和温度刺激活髓基牙的敏感程度。结果劲润组和多乐氟组脱敏治疗后VAS值均低于治疗前

  1. Potencial del Agua del suelo

    Directory of Open Access Journals (Sweden)

    Bustamante Heliodoro

    1986-12-01

    Full Text Available La energía potencial del agua presenta diferencias de un punto del suelo a otro; esas diferencias son las que originan el movimiento del agua de acuerdo a la tendencia universal de la materia en el sentido de moverse de donde la energía potencial es mayor a donde dicha energía es menor. En el suelo el agua en consecuencia se mueve hacia donde su energía decrece hasta lograr su estado de equilibrio. Se desprende entonces que la cantidad de energía potencial absoluta contenida en el agua, no es importante por sí misma, sino por su relación con la energía en diferentes lugares dentro del suelo. El concepto Potencial de agua del suelo es un criterio para esta energía.

  2. [Oral anaphylaxis by ingestion of mite contaminated food in Panama City, 2011-2014].

    Science.gov (United States)

    Barrera, Olga M; Murgas, Ingrid L; Bermúdez, Sergio; Miranda, Roberto J

    2015-01-01

    Antecedentes: la anafilaxia oral por ácaros, o síndrome de las panquecas, ocurre cuando individuos atópicos ingieren alimentos elaborados con harina de trigo contaminada con ácaros, lo que induce reacciones alérgicas moderadas o severas, incluso fatales. Los reportes provienen de ambientes tropicales y subtropicales, donde las condiciones para la proliferación de ácaros domésticos son favorables. Se ha encontrado una asociación importante con la hipersensibilidad a ácido acetilsalicílico (AAS)-antiinflamatorios no esteroides (AINES) y el ejercicio físico. Objetivo: documentar el estudio clínico y descriptivo de casos de anafilaxia oral por ácaros atendidos en Ciudad de Panamá durante los años 2011 a 2014. Material y método: estudio clínico descriptivo y retrospectivo, que incluyó pruebas cutáneas de punción para cinco especies de ácaros domésticos. La identificación taxonómica de los ácaros se realizó bajo microscopio y se calculó la densidad de ácaros por gramo de alimento en tres casos. Resultados: se estudiaron 10 casos compatibles con anafilaxia oral por ácaros, la panqueca fue el alimento implicado con más frecuencia. Los primeros síntomas aparecieron entre 25 y 60 minutos después de la ingestión del alimento. Todos los pacientes fueron adultos jóvenes atópicos, cuatro con hipersensibilidad a AAS-AINES. Los pacientes resultaron positivos a las pruebas cutáneas de punción para los ácaros: Blomia tropicalis, Dermatophagoides pteronyssinus y Suidasia pontifica. Tres muestras de harina de trigo estudiadas motraron altas densidades de ácaros. Conclusiones: la panqueca fue el alimento implicado con más frecuencia en los casos de anafilaxia oral por ácaros. Suidasia pontifica y Blomia tropicalis parecen ser los ácaros más importantes relacionados con este síndrome en nuestro país.

  3. Potencial del agua del suelo

    OpenAIRE

    Bustamante Heliodoro

    2012-01-01

    La energía potencial del agua presenta diferencias de un punto del suelo a otro; esas diferencias son las que originan el movimiento del agua de acuerdo a la tendencia universal de la materia en el sentido de moverse de donde la energía potencial es mayor a donde dicha energía es menor. En el suelo el agua en consecuencia se mueve hacia donde su energía decrece hasta lograr su estado de equilibrio. Se desprende entonces que la cantidad de energía potencial absoluta contenida en el agua, no es...

  4. Inter- and Intra-specific variation in egg size among reef fishes across the Isthmus of Panama

    Directory of Open Access Journals (Sweden)

    D Ross Robertson

    2015-01-01

    Full Text Available Effects of planktonic food supplies and temperature on pelagic fish larvae are thought to be the primary environmental determinants of adaptive variation in egg size. Differences between the Atlantic and Pacific coasts of Panama in primary production (higher in the Pacific due to upwelling and temperature (less seasonal in the non-upwelling Caribbean allow testing such ideas. We compared the volumes, dry weights and energy content of eggs of 24 species of reef fishes from the two sides of the isthmus during the cool and warm seasons. Both egg volume and egg dry weight were good predictors of egg energy content among species, although not within species. Caribbean species produced larger eggs than their close relatives in the Pacific. In the Pacific, eggs were significantly larger during the cool upwelling season than during the warm, non-upwelling period, with a similar but weaker seasonal pattern evident in the Caribbean. The production of larger eggs in the low-productivity Caribbean is consistent with the hypothesis that species produce larger eggs and offspring when larval food supplies are lower. Parallel patterns of seasonal variation in eggs size and the greater strength of that relationship in the Pacific indicate that temperature drives seasonal variation in egg size within species. The decline in egg size with increasing temperature, a general pattern among ectotherms, may be a physiological side-effect, due to differing effects of temperature on various metabolic processes during oogenesis or on hormones that influence growth and reproduction. Alternatively, the seasonal pattern may be adaptive in these fishes, by affecting larval performance or maintaining a particular timeline of major events during embryonic development.

  5. Upper Cretaceous to Miocene tectonostratigraphy of the Azuero area (Panama) and the discontinuous accretion and subduction erosion along the Middle American margin

    Science.gov (United States)

    Buchs, David M.; Baumgartner, Peter O.; Baumgartner-Mora, Claudia; Flores, Kennet; Bandini, Alexandre N.

    2011-11-01

    The Central American forearc allows insight into the long-term evolution of the Middle American margin and possible shifts between accretionary and erosive periods of subduction. We present a revised tectonostratigraphic subdivision of the Azuero area based on new field observations and biochronologic data, and a synthesis of previous age, geochemical and stratigraphic data. The basement of the area is composed of an autochtonous oceanic plateau, the early Central American arc and accreted seamounts, which are unconformably overlain by forearc sediments. The nature and spatial arrangement of basement units combined with patterns of uplift and subsidence recorded in overlapping sediments allow reconstruction of the local evolution of subduction tectonics between the Upper Cretaceous and Miocene. Comparison of this evolution with that formerly proposed for the south Costa Rican margin based on a similar approach (Buchs et al., 2009, 2010) provides an insight into temporal and along-strike changes of subduction tectonics along a ~ 500 km-long segment of the Middle American margin. We find that subduction erosion (or non-accretion), punctuated by seamount accretion, was the dominant process along the margin between the late Campanian and Middle Eocene. In the Middle Eocene, uplift of the Central American forearc, initiation of a volcanic front retreat in Panama and a pulse of seamount accretion between south Costa Rica and west Panama are likely to relate to a reorganization of plate tectonics in the Pacific. A contrasted evolution occurred in south Costa Rica and Panama afterwards, with continued subduction erosion in the Azuero area and net accretion of olistostromal and hemipelagic sediments in south Costa Rica at least until the Middle Miocene. Our results show that tectononstratigraphic observations in the forearc may represent a valuable complement to offshore drilling and geophysical studies to understand modern subduction tectonics along the Middle American

  6. Fragmentation by Dams Threatens Diadromous Fauna in Upstream Protected Areas - the Case of the La Amistad World Heritage Site (Costa Rica and Panama)

    Science.gov (United States)

    McLarney, W.; Mafla Herrera, M.; Arias Moreno, A. M.; Snyder, M. N.

    2016-12-01

    Biological consequences of fragmenting rivers with dams are especially acute for migratory species, and even moreso for diadromes (animals obliged to travel between marine and fresh water environments in order to complete their life cycles). Diadromy is a worldwide phenomenon, occurring wherever fresh water rivers run to the sea. Worldwide, diadromous behavior has been described for > 300 species of fish in 37 families, as well as for all of the > 800 species of so-called "freshwater" shrimp in 4 families, plus a few crabs and snails. Diadromy is especially prevalent on islands and isthmuses, where rivers are necessarily short and development of primary freshwater fauna limited. One example is the Mesoamerican isthmus, extending from southern Mexico to the Panama/Colombia border. A 2006 study showed more than 300 high (> 15 m.) dams planned for this 8 country region. One example of the consequences emerges from Asociacion ANAI's biomonitoring work over 17 years in one part of Mesoamerica - the watersheds draining the Caribbean slope of the La Amistad World Heritage Site in Costa Rica and Panama. Our work has shown that over 80 % of fish and all of the shrimp in rivers above 100 m. altitude are diadromes. If all currently planned dams are built, we predict that 11 species of fish and shrimp will be extirpated from >90% of the World Heritage Site. Precedent exists in Puerto Rico, where damming has eliminated diadromous fish and all but a remnant of the shrimp from 25% of the island's watersheds. In La Amistad, the consequences, for biodiversity and fishery resources relied upon by neighboring indigenous ethnias are obvious. In Panama, protected area boundaries were drawn to avoid the issue of dams and reservoirs in national parks; our research shows the need for more comprehensive design criteria to prevent extirpations in protected areas.

  7. Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea from the Chagres Formation of Panama and the evolution of ‘river dolphins’ in the Americas

    Directory of Open Access Journals (Sweden)

    Nicholas D. Pyenson

    2015-09-01

    Full Text Available In contrast to dominant mode of ecological transition in the evolution of marine mammals, different lineages of toothed whales (Odontoceti have repeatedly invaded freshwater ecosystems during the Cenozoic era. The so-called ‘river dolphins’ are now recognized as independent lineages that converged on similar morphological specializations (e.g., longirostry. In South America, the two endemic ‘river dolphin’ lineages form a clade (Inioidea, with closely related fossil inioids from marine rock units in the South Pacific and North Atlantic oceans. Here we describe a new genus and species of fossil inioid, Isthminia panamensis, gen. et sp. nov. from the late Miocene of Panama. The type and only known specimen consists of a partial skull, mandibles, isolated teeth, a right scapula, and carpal elements recovered from the Piña Facies of the Chagres Formation, along the Caribbean coast of Panama. Sedimentological and associated fauna from the Piña Facies point to fully marine conditions with high planktonic productivity about 6.1–5.8 million years ago (Messinian, pre-dating the final closure of the Isthmus of Panama. Along with ecomorphological data, we propose that Isthminia was primarily a marine inhabitant, similar to modern oceanic delphinoids. Phylogenetic analysis of fossil and living inioids, including new codings for Ischyrorhynchus, an enigmatic taxon from the late Miocene of Argentina, places Isthminia as the sister taxon to Inia, in a broader clade that includes Ischyrorhynchus and Meherrinia, a North American fossil inioid. This phylogenetic hypothesis complicates the possible scenarios for the freshwater invasion of the Amazon River system by stem relatives of Inia, but it remains consistent with a broader marine ancestry for Inioidea. Based on the fossil record of this group, along with Isthminia, we propose that a marine ancestor of Inia invaded Amazonia during late Miocene eustatic sea-level highs.

  8. Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea) from the Chagres Formation of Panama and the evolution of 'river dolphins' in the Americas.

    Science.gov (United States)

    Pyenson, Nicholas D; Vélez-Juarbe, Jorge; Gutstein, Carolina S; Little, Holly; Vigil, Dioselina; O'Dea, Aaron

    2015-01-01

    In contrast to dominant mode of ecological transition in the evolution of marine mammals, different lineages of toothed whales (Odontoceti) have repeatedly invaded freshwater ecosystems during the Cenozoic era. The so-called 'river dolphins' are now recognized as independent lineages that converged on similar morphological specializations (e.g., longirostry). In South America, the two endemic 'river dolphin' lineages form a clade (Inioidea), with closely related fossil inioids from marine rock units in the South Pacific and North Atlantic oceans. Here we describe a new genus and species of fossil inioid, Isthminia panamensis, gen. et sp. nov. from the late Miocene of Panama. The type and only known specimen consists of a partial skull, mandibles, isolated teeth, a right scapula, and carpal elements recovered from the Piña Facies of the Chagres Formation, along the Caribbean coast of Panama. Sedimentological and associated fauna from the Piña Facies point to fully marine conditions with high planktonic productivity about 6.1-5.8 million years ago (Messinian), pre-dating the final closure of the Isthmus of Panama. Along with ecomorphological data, we propose that Isthminia was primarily a marine inhabitant, similar to modern oceanic delphinoids. Phylogenetic analysis of fossil and living inioids, including new codings for Ischyrorhynchus, an enigmatic taxon from the late Miocene of Argentina, places Isthminia as the sister taxon to Inia, in a broader clade that includes Ischyrorhynchus and Meherrinia, a North American fossil inioid. This phylogenetic hypothesis complicates the possible scenarios for the freshwater invasion of the Amazon River system by stem relatives of Inia, but it remains consistent with a broader marine ancestry for Inioidea. Based on the fossil record of this group, along with Isthminia, we propose that a marine ancestor of Inia invaded Amazonia during late Miocene eustatic sea-level highs.

  9. Systematics of the Rhinella margaritifera complex (Anura, Bufonidae) from western Ecuador and Panama with insights in the biogeography of Rhinella alata

    Science.gov (United States)

    dos Santos, Sueny P.; Ibáñez, Roberto; Ron, Santiago R.

    2015-01-01

    Abstract The Rhinella margaritifera species group consists of 17 species of toads distributed in tropical and subtropical South America and eastern Central America. The identity of some of its species is poorly understood and there are numerous undescribed cryptic species. Among them, the status of Rhinella margaritifera is one of the most problematic. Its range includes lowland rainforests separated by the Andes, the Chocoan rainforest to the west and the Amazonian rainforest to the east. This distribution is puzzling because the Andes are an old and formidable barrier to gene flow and therefore should generate vicariant speciation between disjunct lowland populations. Herein we clarify the taxonomy of populations of the Rhinella margaritifera complex from Central America and the Chocó region of South America. The morphological and genetic variation of Rhinella margaritifera was examined from 39 populations from Chocó, 24 from the upper Amazon region of Ecuador, and 37 from Panama, including the holotype of the Panamanian Rhinella alata. Phylogenetic analyses were performed based on mitochondrial genes 12S rRNA, 16S rRNA, and cytochrome c oxidase I (COI) and the nuclear gene Tyrosinase (Tyr). The genetic and morphological data show that Panamanian and Chocoan populations are conspecific. In the phylogeny, populations from Chocó and Panama form a well-supported clade. The morphology of the holotype of Rhinella alata falls within the variation range of Panamanian and Chocoan populations. Based on all this evidence, we assign the populations from western Ecuador and Panama to Rhinella alata and demonstrate that the unusual distribution pattern of “Rhinella margaritifera” on both sides of the Andes was an artifact of incorrectly defined species boundaries. PMID:25987881

  10. del alcoholismo

    Directory of Open Access Journals (Sweden)

    Rodrigo Arias Duque

    2005-01-01

    Full Text Available Desde el punto de vista farmacológico, es importante comprender qué es el alcohol y cómo actúa en el organismo. No existe una causa simple, sino una interacción complicada de factores neuroquímicos, fisiológicos, psicológicos y sociales que originan y desarrollan esta grave enfermedad fármaco-dependiente. La acción psicofisiológica y farmacodinámica del alcohol es fundamentalmente depresiva, por la reducción de la transmisión sináptica en el sistema nervioso humano. Es un hecho conocido que el consumo excesivo de alcohol causa una disfunción aguda y crónica del cerebro, produciendo trastornos en el sistema nervioso central, presentando alteraciones en la memoria y en las funciones intelectuales como cálculo, comprensión y aprendizaje. A nivel hepático tiene lugar, en su mayoría, el metabolismo del alcohol, produciéndose un hígado graso alcohólico, aumentando el tamaño, terminando en necrosis e inflamación grave del hígado; esto se llama hepatitis alcohólica, y si se sigue consumiendo alcohol se desarrollará la cirrosis. El alcohol también ha estado relacionado con alteraciones del miocardio; se ha constatado en animales de experimentación sanos que tanto la velocidad de contracción del músculo cardiaco y su máxima tensión disminuyen en presencia del alcohol, como consecuencia, la fuerza de cada contracción y el aumento de presión en el ventrículo izquierdo son menores, perdiendo eficacia el corazón como bomba.

  11. Efecto del agua tratada magnéticamente sobre los procesos biológicos (Magnetically treated water effect on biological processes

    Directory of Open Access Journals (Sweden)

    Alfonso-Insua, Daniel

    2009-04-01

    Full Text Available ResumenEn la presente monografía se describen aspectos de la importancia práctica, económica y ⎯con énfasis especial⎯ biológica del biomagnetismo, en específico del agua tratada magnéticamente, incluyéndose una exposición resumida de la experiencia de los autores sobre los beneficios de ésta en los procesos biológicos que normalmente ocurren en los animales. Los resultados de los estudios de los fenómenos biofísicos relacionados con los efectos delconsumo de agua con tratamiento magnético en el fisiologismo animal son más favorables. Se comprobaron bio respuestas positivas en los parámetros de salud y producción en las diferentes categorías de ganado bovino investigadas (terneros, vacas lecheras, toros sementales y toros de ceba. El consumo del agua con tratamiento magnético puede constituir una alternativa viable y económicamente factible para la explotación de las diferentes categoríaszootécnicas del ganado bovino, repercutiendo favorablemente sobre losmecanismos defensa de la salud y los parámetros productivos.SummaryIn the present monograph were described aspects of the practical, economic and ⎯with special emphasis⎯ biological importance of biomagnetism, in specific of magnetically treated water, being included a summary of the experience of the authors about the benefits of this in the biological processes that usually happen in the animals. The results of the studies of the biophysicalphenomena related with the effects of the consumption of water with magnetic treatment in the animal phisiologism are more favorable. They were proven bio positive answers in the parameters of health and production in the different investigated categories of bovine livestock (calves, cows milkmaids, bulls sires and bulls of it feeds. The consumption of the water with magnetic treatmentcan constitute a viable and economically feasible alternative for the exploitation of the bovine livestock in the different zootechnics

  12. First record of the chytrid fungus in Lithobates catesbeianus from Argentina: exotic species and conservation Primer registro del hongo quitridio en Lithobates catesbeianus de Argentina: especies exóticas y conservación

    Directory of Open Access Journals (Sweden)

    Romina Ghirardi

    2011-12-01

    Full Text Available Chytridiomycosis, a disease caused by the chytrid fungus Batrachochytrium dendrobatidis (B.d., is recognized as one of the major factors of amphibian decline. Global trade of amphibians has been identified as one of the causes of B.d. spread, involving hundreds of species world wide. In this work we detected the presence of B.d. through histological examination on 5 out of 9 analyzed specimens of bullfrogs (Lithobates catesbeianus from a farm in Santa Fe City (Argentina, deposited since 1993 in the herpetological collection of the Provincial Museum of Natural Sciences "Florentino Ameghino". Our finding represents the oldest record of B.d. for Argentina and the first case of the chytrid fungus infecting the exotic bullfrog in this country. We emphasize the importance of determining and monitoring the distribution and spread of B.d in Argentina, particularly in areas where feral bullfrog populations have already been identified.La quitridiomicosis, enfermedad emergente producida por el hongo Batrachochytrium dendrobatidis (B.d., es reconocida como uno de los factores causantes de la declinación de anfibios. El comercio mundial de anfibios ha sido señalado como una de las fuentes de dispersión de B.d. En este trabajo se detectó la presencia de B.d. en la especie exótica rana toro (Lithobates catesbeianus mediante cortes histológicos en 5 de 9 ejemplares provenientes de un criadero de la ciudad de Santa Fe (Argentina, depositados y conservados desde 1993 en la Colección Herpetológica del Museo Provincial de Ciencias Naturales "Florentino Ameghino". Este registro representa el hallazgo más antiguo de B.d. en Argentina y el primer caso de este hongo en la rana toro exótica en el país; por lo que enfatizamos la importancia de determinar y monitorear la distribución y dispersión de B.d., particularmente en los sitios donde ya se han detectado poblaciones silvestres de rana toro.

  13. Kilowatts and crisis among the Kuna, Choco, and Colonos: national and regional consequences of the Bayano hydroelectric complex in eastern Panama

    Energy Technology Data Exchange (ETDEWEB)

    Wali, A.

    1984-01-01

    The dissertation analyzes the sociopolitical consequences of a hydroelectric project (from 1972-1980) on the Bayano Region of Eastern Panama, in order to gauge the national implications of macrodevelopment programs, and determine the local-level impact. Specifically, the study demonstrates that the government's decision to construct the dam, motivated by historical and economic forces, had detrimental consequences for the affected people through changes in patterns of land tenure, economic productivity, and social stratification. Simultaneously, the goal of diversification of the canal-dominated economic structure has not been achieved. Forced resettlement deeply affected the regional population (Kuna and Choco - Amerindians, and Colonos - migrants from Western Panama). Agricultural productivity declined dramatically leading to an upsurge in other economic activities (wage labor, lumbering, and entrepreneurship). The Kuna, having lost 80% of their original reserve, strengthened their leadership institutions in order to negotiate a new reserve. The Choco were forced to settle in a village, contrary to tradition, leading to increased disputes. The Colonos experienced an increased polarization of wealth due to differential access to resources. The Kuna and Choco espoused an ethnic strategy to maintain territorial sovereignity leading to increased intergroup conflict.

  14. The morphology and structure of the Hannibal Bank fisheries management zone, Pacific Panama using acoustic seabed mapping.

    Science.gov (United States)

    Cunningham, Sarah; Guzman, Hector M; Bates, Richard

    2013-12-01

    The Hannibal Bank sits within the Coiba UNESCO World Heritage Site in Pacific Panama and is also a fisheries management zone. Despite the protected status of the area and the importance of the Bank for commercial fish species such as snapper and tuna, the seamount has received no detailed survey except some collection of organisms. This study mapped the major topographic features and complexity of the Hannibal Bank seamount using acoustic remote sensing. A survey area of around 125 km2 was defined using existing charts and side-scan sonar data were collected during July 2008. A bathymetric output was imported to ArcGIS where a digital bathymetric model and slope map were created. The Benthic Terrain Modeler (BTM) extension for ArcGIS was used to calculate bathymetric position index and rugosity, and used to create a map of zones representing the various seabed morphology zones. The Hannibal bank is an elongated, triangular guyot (flat topped seamount), which ranges in depth from 53m to 416m, covers an area of 76 km2 and is 14.4 km long and 7.1 km wide. Hannibal bank is composed of steep slopes, more gentle slopes, top of the seamount, crests (elevated ridges at the top of the pinnacles), rugose areas (on crests, top of seamount and slope), gullies and pinnacles. The bank is asymmetric in nature with the Northerly side having a relatively gentle slope with gullies across the surface compared to the SouthWest side which is far steeper and more rugose. There are two pinnacles to the North and South East of the bank that range in depth from 180 to 333 m. Rocky substrate makes up 22.6 km2 of the bank and sediment 37.8 km2. The bank and its steeply sided, rugose areas and pinnacles provide upright structures which can disrupt and topographically enhance currents, increasing productivity. The rugose areas of Hannibal Bank should be primary targets for further research efforts as they may contain corals and their rugosity indicates that these should be some of the highest

  15. Gene flow and geographic variation in natural populations of Alnus acuminata ssp. arguta (Fagales: Betulaceae in Costa Rica and Panama

    Directory of Open Access Journals (Sweden)

    Olman Murillo

    1999-12-01

    Full Text Available Seventeen natural populations in Costa Rica and Panama were used to asses gene flow and geographic patterns of genetic variation in this tree species. Gene flow analysis was based on the methods of rare alleles and FST (Index of genetic similarity M, using the only four polymorphic gene loci among 22 investigated (PGI-B, PGM-A, MNR-A and IDH-A. The geographic variation analysis was based on Pearson`s correlations between four geographic and 14 genetic variables. Some evidence of isolation by distance and a weak gene flow among geographic regions was found. Patterns of clinal variation in relation to altitude (r = -0.62 for genetic diversity and latitude (r= -0.77 for PGI-B3 were also observed, supporting the hypothesis of isolation by distance. No private alleles were found at the single population level.Diecisiete poblaciones naturales de esta especie forestal en Costa Rica y Panamá, fueron investigadas en relación con sus patrones de flujo genético y de variación geográfica. El análisis de flujo genético fue basado en los métodos de los alelos raros y de FST (Indice de similaridad genética M. Los análisis fueron a su vez basados en los únicos cuatro loci genéticos de un total de 22 investigados que mostraron polimorfismo (PGI-B, PGM-A, MNR-A and IDH-A. Los análisis de variación geográfica fueron basados en el desarrollo de correlaciones de Pearson entre 4 variables geográficas y 14 variables genéticas. Alguna evidencia de aislamiento por distancia así como un débil flujo genético entre regiones geográficas fue encontrado. Fueron también observados patrones de variación clinal en relación con la altitud (r = -0.62 para la diversidad genética y latitud (r= -0.77 en PGI-B3, que apoyan la hipotesis de aislamiento por distancia para esta especie. No se encontraron alelos privados en ninguna de las poblaciones investigadas.

  16. Spatial-Temporal Distribution of Hantavirus Rodent-Borne Infection by Oligoryzomys fulvescens in the Agua Buena Region--Panama.

    Science.gov (United States)

    Armién, Blas; Ortiz, Paulo Lazaro; Gonzalez, Publio; Cumbrera, Alberto; Rivero, Alina; Avila, Mario; Armién, Aníbal G; Koster, Frederick; Glass, Gregory

    2016-02-01

    Hotspot detection and characterization has played an increasing role in understanding the maintenance and transmission of zoonotic pathogens. Identifying the specific environmental factors (or their correlates) that influence reservoir host abundance help increase understanding of how pathogens are maintained in natural systems and are crucial to identifying disease risk. However, most recent studies are performed at macro-scale and describe broad temporal patterns of population abundances. Few have been conducted at a microscale over short time periods that better capture the dynamical patterns of key populations. These finer resolution studies may better define the likelihood of local pathogen persistence. This study characterizes the landscape distribution and spatio-temporal dynamics of Oligoryzomys fulvescens (O. fulvescens), an important mammalian reservoir in Central America. Information collected in a longitudinal study of rodent populations in the community of Agua Buena in Tonosí, Panama, between April 2006 and December 2009 was analyzed using non-spatial analyses (box plots) and explicit spatial statistical tests (correlograms, SADIE and LISA). A 90 node grid was built (raster format) to design a base map. The area between the nodes was 0.09 km(2) and the total study area was 6.43 km(2) (2.39 x 2.69 km). The temporal assessment dataset was divided into four periods for each year studied: the dry season, rainy season, and two months-long transitions between seasons (the months of April and December). There were heterogeneous patterns in the population densities and degrees of dispersion of O. fulvescens that varied across seasons and among years. The species typically was locally absent during the late transitional months of the season, and re-established locally in subsequent years. These populations re-occurred in the same area during the first three years but subsequently re-established further south in the final year of the study. Spatial

  17. Spatial-Temporal Distribution of Hantavirus Rodent-Borne Infection by Oligoryzomys fulvescens in the Agua Buena Region - Panama

    Science.gov (United States)

    Gonzalez, Publio; Cumbrera, Alberto; Rivero, Alina; Avila, Mario; Armién, Aníbal G.; Koster, Frederick; Glass, Gregory

    2016-01-01

    Background Hotspot detection and characterization has played an increasing role in understanding the maintenance and transmission of zoonotic pathogens. Identifying the specific environmental factors (or their correlates) that influence reservoir host abundance help increase understanding of how pathogens are maintained in natural systems and are crucial to identifying disease risk. However, most recent studies are performed at macro-scale and describe broad temporal patterns of population abundances. Few have been conducted at a microscale over short time periods that better capture the dynamical patterns of key populations. These finer resolution studies may better define the likelihood of local pathogen persistence. This study characterizes the landscape distribution and spatio-temporal dynamics of Oligoryzomys fulvescens (O. fulvescens), an important mammalian reservoir in Central America. Methods Information collected in a longitudinal study of rodent populations in the community of Agua Buena in Tonosí, Panama, between April 2006 and December 2009 was analyzed using non-spatial analyses (box plots) and explicit spatial statistical tests (correlograms, SADIE and LISA). A 90 node grid was built (raster format) to design a base map. The area between the nodes was 0.09 km2 and the total study area was 6.43 km2 (2.39 x 2.69 km). The temporal assessment dataset was divided into four periods for each year studied: the dry season, rainy season, and two months-long transitions between seasons (the months of April and December). Results There were heterogeneous patterns in the population densities and degrees of dispersion of O. fulvescens that varied across seasons and among years. The species typically was locally absent during the late transitional months of the season, and re-established locally in subsequent years. These populations re-occurred in the same area during the first three years but subsequently re-established further south in the final year of the

  18. Culturas del Mundo

    DEFF Research Database (Denmark)

    Benwell, Ann Fenger; Costa, Alberto; Waehle, Espen

    2006-01-01

    ’Culturas del mundo. Colecciones del Museo Nacional de Dinamarca’ with Ann Fenger Benwell in Culturas del Mundo. Colecciones del Museo Nacional de Dinamarca, ed. Silvia Sauquet, Fundación "la Caixa", Barcelona 2006, pp. 31-39......’Culturas del mundo. Colecciones del Museo Nacional de Dinamarca’ with Ann Fenger Benwell in Culturas del Mundo. Colecciones del Museo Nacional de Dinamarca, ed. Silvia Sauquet, Fundación "la Caixa", Barcelona 2006, pp. 31-39...

  19. Evaluacion sensorial de arroz biofortificado, variedad IDIAP Santa Cruz 11, en granjas autosostenibles del Patronato de Nutricion en la Provincia de Cocle, Panama

    National Research Council Canada - National Science Library

    Camargo Buitrago, Ismael; Henriquez, Teresita; Montenegro, Salvador; Vergara de Caballero, Eira; Espinosa, Juan; Vergara, Omaris; Mojica de Torres, Eyra

    2011-01-01

    .... En cada comunidad 30 madres de familias participaron en la evaluacion. Para el analisis sensorial se utilizo la prueba discriminativa triangular, en la que las madres de familia debian identificar la muestra...

  20. Age and origin of earliest adakitic-like magmatism in Panama: Implications for the tectonic evolution of the Panamanian magmatic arc system

    Science.gov (United States)

    Whattam, Scott A.; Montes, Camilo; McFadden, Rory R.; Cardona, Agustin; Ramirez, Diego; Valencia, Victor

    2012-06-01

    40-20 Ma marks a fundamental interval in the evolution of the 70-0 Ma Panamanian magmatic arc system. During this period, there is no evidence of Panamanian magmatic arc activity to the east of the Panama Canal Basin while to the west and in localized regions to the east of the Panama Canal Basin a phase of intrusive-only activity is recorded. Fundamentally, geochemical and geochronological evidence presented herein indicate that this intrusive activity was predominantly 'adakitic-like' and becomes younger from west to east along an approximately W-E striking lineament. Granodiorites of the Petaquilla batholith, western Panama yield LAM-ICP-MS 206Pb/238U zircon ages of 29.0 + 0.7, - 0.6 Ma, 28.5 + 0.7, - 0.5 Ma, 28.3 + 0.5, - 0.4 Ma and 26.2 + 0.5, - 0.9 Ma. To the east of the Panama Canal Basin zircons from a hypabyssal diorite of the mainly intermediate Majé subvolcanic suite, cedes a mean 206Pb/238U age of 18.9 + 0.4 Ma. Relative to other 70-5 Ma Panamanian magmatic arc lavas and intrusives, Majé and Petaquilla intrusives yield adakitic-like major and trace element abundances (e.g., > 15 wt.% Al2O3, generally > 3.5 wt.% Na2O, > 400 ppm Sr, 120) and strongly fractionated HREE patterns. These 30-26 Ma (Petaquilla) and 19 Ma (Majé) suites are also compositionally similar to a subvolcanic suite of rare, circa 25 Ma adakitic-like, andesitic intrusives which occur within the Panama Canal Basin midway between Petaquilla and Majé and at the same approximate latitude as Petaquilla and Majé. Collectively, the geochemical and geochronological data for the adakitic-like intrusives arc consistent with formation via partial melting of lowermost, mafic crust above a sub-horizontal slab tear that propagated from the west (Petaquilla) to the east (Majé) between 30 and 19 Ma. Our new tectonic model postulates that collision between the Panamanian magmatic arc system and an 'indentor' (e.g., a tract of thickened buoyant, oceanic crust or plateau) occurred at about 40 Ma, a

  1. Quantifying Hydrological Ecosystem Services of Various Land Covers and Uses on Small Experimental Catchments within the Panama Canal Watershed: The Agua Salud Project

    Science.gov (United States)

    Crouch, T. D.; Ogden, F. L.; Agua Salud Project

    2011-12-01

    As a part of the Agua Salud Project, a baseline characterization of hydrologic processes on the small catchment scale (~0.24 to 2.0 km2) is assessed across different land uses and covers typical to rural Panama. The land covers being monitored include a mature secondary forest, a disturbed catchment with a mosaic of various aged secondary growth and agricultural use, an active pasture and a monoculture invasive grass site as experimental controls, and two treated catchments that were recently abandoned pastures converted to teak and native species timber plantations. The catchments are found within Panama's protected Soberania National Park and the adjacent headwaters of the Agua Salud and Mendoza Rivers, all part of the greater Panama Canal Watershed. Using hydrological data from the first two and a half years of the project, three main ecosystem services are observed. The forested area exhibited lower storm event peaks, decreased flashiness, and greater stream flow during the dry season compared to the disturbed mosaic site. Lower hydrograph peaks and flashiness mitigate the risk of substantial flood damage during the major flood events generally seen in Panama between October and December. The mature forest (1.35 km2) catchment has shown lower average flood peaks in comparison to the disturbed site. For storm peaks less than 6 mm/hr, flood peaks are on average 51% lower. For storm peaks greater than 6 mm/hr, flood peaks are approximately 40% lower. In 1998, draft restrictions were imposed in the Panama Canal because of a deficit of dry season water after an El Niño-Southern Oscillation resulted in decreased wet season rainfall. The water that is available during the end of the dry season has the potential to insure the full operation of the Canal during El Niño drought years. Toward the end of the dry season (March through May) our data shows that roughly 34% more water was available during a relatively dry year with respect to antecedent wet season rainfall

  2. A new genus and species of the family Lethaxonidae (Acari, Parasitengona, Hydrachnidia from the island of Coiba (Panama

    Directory of Open Access Journals (Sweden)

    Valdecasas, A. G.

    2010-06-01

    Full Text Available Transitia carlosi n. gen. n. sp. of the family Lethaxonidae is described from the interstitial environment of a small stream in Central America. Following a morphological revision of the adult variation in the family, Transitia n. gen. is proposed, characterized by a posteriorly tapering body shape, three pairs of acetabula arranged linearly, median position of male gonopore in relation to first pair of genital acetabula and slight sexual dimorphism of male legs.

    Se describe Transitia carlosi n. gen. n. sp. de la familia Lethaxonidae del medio intersticial de un pequeño río en America Central. Tras la revisión morfológica de la variación en los adultos de la familia se propone Transitia n. gen., caracterizado por una forma del cuerpo estrechada posteriormente, tres pares de acetábulas dispuestos linealmente, posición media del gonóporo del macho en relación a los acetábulas genitales y ligero dimorfismo sexual de las patas del macho.

  3. OCTOGESIMO ANIVERSARIO DEL DESCUBRIMIENTO DE LA FIEBRE AMARILLA SELVÁTICA POR EL DOCTOR ROBERTO FRANCO

    Directory of Open Access Journals (Sweden)

    Carlos Sanmartín Barberi

    1989-09-01

    Full Text Available

    La reunión que hoy nos congrega en esta sesión conjunta tiene por objeto conmemorar una importante efemérides de la medicina universal y tributar homenaje a la memoria de un excepcional galeno de nuestra patria.

    Me permitiré leer una breve comunicación que el 8 de octubre del año pasado dirigí al Presidente de nuestra Academia, pues resume el motivo central de esta ceremonia:
    “El año próximo venidero se cumplen ochenta de la trascendental comunicación del Dr. Roberto Franco sobre una epidemia febril que estudió en las Minas de Muzo.
    Tal investigación constituye uno de los hitos más importantes de la medicina tropical. Las novedosas conclusiones del Dr. Franco, basadas en un juicioso estudio de campo y en una sagaz observación clínica y epidemiológica, fueron puestas en duda y aún negadas en su época. Sólo el tiempo y las investigaciones posteriores dieron razón a su notable afirmación de la existencia de la fiebre amarilla de los bosques.

    Me parece que sería justo y oportuno que la Academia celebre tal aniversario de manera apropiada y que se aproveche la ocasión para exaltar la memoria del que fue, sin duda, una de las figuras cimeras de la medicina nacional”.
    Tanto la Academia como nuestra Sociedad histórica, a las que me honro en pertenecer, acogieron favorablemente la sugerencia. Me enaltece sobremanera ser yo quien esta noche las representa.

    En el número 331 de Noviembre de 1907 de la Revista Médica de Bogotá, órgano de la Academia Nacional de Medicina, se publicó el informe presentado al Presidente del Sindicato de las Minas de Muzo, por la misión encargada de estudiar la epidemia de fiebres observada en la mina en los meses de Marzo y Abril de 1907. Tal documento tiene fecha del 14 de Mayo del mismo año y está suscrito por el Dr. Roberto Franco, quien deja constancia de la invaluable colaboración de dos de sus estudiantes que le acompañaron a Muzo y que fueron los

  4. Estudio seroepidemiológico del virus respiratorio sincitial bovino en el municipio de Montería, Colombia

    Directory of Open Access Journals (Sweden)

    Marco González T.

    2011-12-01

    Full Text Available Objetivo. El propósito de esta investigación fue realizar un estudio seroepidemiológico para detectar anticuerpos específicos contra el Virus Respiratorio Sincitial Bovino (BRSV mediante la técnica comercial de ELISA (Bio-X ® BRSV Elisa Kit, Bruselas, Bélgica, con elfin de demostrar de manera indirecta, la presencia y circulación del VRSB en el municipio de Montería, Colombia. Materiales y métodos. Se recolectaron 163 muestras de sangre (137 de hembras y 26 de toros de animales con antecedentes de infertilidad, pertenecientes a 28 fincas, los cuales provenían de 4 diferentes zonas equidistantes dentro del municipio. Todas las muestras fueron seleccionadas al azar. Se realizó un análisis descriptivo con los datos serológicos obtenidos de cada animal e interpretándolos con las variables: raza,edad, zona, tipo de explotación, sexo y alteraciones reproductivas. Para determinar la asociación entre seropositividad y cada una de las variables se utilizó la prueba de c2. No hubo diferencias significativas para ninguna de las variables analizadas. Resultados. Se detectaron anticuerpos en 22 de los animales seleccionados, lo que correspondió al 13% del total muestreado. Conclusiones. Este hallazgo constituye la demostración indirecta de la presencia del VRSB en el municipio de Montería, lo que sugiere la necesidad de estudios adicionales para determinar su participación en síndromes respiratorios y problemas reproductivos; de comprobarse sus implicaciones clínicas en hatos bovinos de esta región, sería necesario implementar medidas adecuadas para su control y prevención.

  5. panama_city.grd

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — NGDC builds and distributes high-resolution, coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to...

  6. Panama International Merchandise Mart

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Interview With Reynald H.Katz PIMM is the product of one visionary mind, namely that of trade specialist and entrepreneur Reynald Henry Katz who started early as a self-made businessman trading handmade jewelry.Katz’s in- novative approach and talent for sales have served him well throughout his remarkable career,a career that has taken him to the United Kingdom,the United States,the Middle East and China,before eventu-

  7. Epidemiology of Emergent Madariaga Encephalitis in a Region with Endemic Venezuelan Equine Encephalitis: Initial Host Studies and Human Cross-Sectional Study in Darien, Panama.

    Directory of Open Access Journals (Sweden)

    Amy Y Vittor

    2016-04-01

    Full Text Available Neurotropic arboviral infections are an important cause of encephalitis. A zoonotic, vector-borne alphavirus, Madariaga virus (MADV; formerly known as South American eastern equine encephalitis virus, caused its first documented human outbreak in 2010 in Darien, Panama, where the genetically similar Venezuelan equine encephalitis virus (VEEV is endemic. We report the results of a seroprevalence survey of animals and humans, illustrating contrasting features of MADV and VEEV ecology and epidemiology.Small mammals were trapped in 42 sites in Darien, Panama, using Sherman traps, Tomahawk traps, and mist nets for bats. Blood was tested for the presence of neutralizing antibodies to MADV and VEEV. In addition, bird sera collected in 2007 in Chagres, Panama, were tested for MADV and VEEV neutralizing antibodies. Viremia was ascertained by RT-PCR. Human exposure to these two viruses was determined by IgG ELISA, followed by plaque reduction neutralization tests. To identify relevant risk factors for MADV or VEEV exposure, logistic regression analysis was performed, and the most parsimonious model was selected based on the Akaike information criterion.The animal survey yielded 32 bats (16 species, 556 rodents (12 species, and 20 opossums (4 species. The short-tailed cane mouse (Zygodontomys brevicauda found abundantly in pasture and farms, had the highest MADV seroprevalence (8.3%. For VEEV, the shrub and forest-dwelling long-whiskered rice rat (Transandinomys bolivaris had the highest seroprevalence (19.0%. Viremia was detected in one animal (Z. brevicauda. Of the 159 bird sera (50 species tested, none were positive for either virus. In humans (n = 770, neutralizing antibodies to MADV and VEEV were present in 4.8% and 31.5%, respectively. MADV seropositivity was positively associated with cattle ranching, farming, and fishing. Having VEEV antibodies and shrubs near the house diminished risk. Age, forest work, farming and fishing were risk factors for

  8. del Norte

    Directory of Open Access Journals (Sweden)

    Heydi Robles

    2005-01-01

    Full Text Available Este artículo muestra los resultados de una investigación sobre la ansiedad causada por el aprendizaje de idiomas. Está centrado en la ansiedad relacionada con la habilidad de producción oral. El objetivo del estudio era identificar los factores externos que producen ansiedad en el desarrollo de la competencia oral en un grupo de estudiantes de Psicología. Para lograr su objetivo, la investigación utilizó diarios, cuestionarios, grabaciones (opiniones personales, presentaciones orales breves y entrevistas. Con respecto de los factores externos que producen ansiedad en relación con las actividades, los resultados muestran que todas las actividades orales producen un alto grado de ansiedades en los estudiantes, especialmente las actividades no programadas. También muestran una falta de participación en clase con un fuerte rechazo a las actividades orales. Entre las posibles causas de reticencia puede estar el hecho de que los estudiantes no quieren ser objeto de burla. Además, la habilidad de producción oral no fue estimulada en los niveles anteriores del programa de inglés. Es vital mencionar que los alumnos son conscientes de sus carencias en algunos aspectos del idioma como vocabulario, gramática y fluidez.

  9. Richness and distribution of tropical oyster parasites in two oceans.

    Science.gov (United States)

    Pagenkopp Lohan, Katrina M; Hill-Spanik, Kristina M; Torchin, Mark E; Aguirre-Macedo, Leopoldina; Fleischer, Robert C; Ruiz, Gregory M

    2016-08-01

    Parasites can exert strong effects on population to ecosystem level processes, but data on parasites are limited for many global regions, especially tropical marine systems. Characterizing parasite diversity and distributions are the first steps towards understanding the potential impacts of parasites. The Panama Canal serves as an interesting location to examine tropical parasite diversity and distribution, as it is a conduit between two oceans and a hub for international trade. We examined metazoan and protistan parasites associated with ten oyster species collected from both Panamanian coasts, including the Panama Canal and Bocas del Toro. We found multiple metazoan taxa (pea crabs, Stylochus spp., Urastoma cyrinae). Our molecular screening for protistan parasites detected four species of Perkinsus (Perkinsus marinus, Perkinsus chesapeaki, Perkinsus olseni, Perkinsus beihaiensis) and several haplosporidians, including two genera (Minchinia, Haplosporidium). Species richness was higher for the protistan parasites than for the metazoans, with haplosporidian richness being higher than Perkinsus richness. Perkinsus species were the most frequently detected and most geographically widespread among parasite groups. Parasite richness and overlap differed between regions, locations and oyster hosts. These results have important implications for tropical parasite richness and the dispersal of parasites due to shipping associated with the Panama Canal.

  10. El toro por los cuernos: La necesaria transformación de las relaciones de trabajo en el país y el papel de las Ciencias Sociales en ella

    Directory of Open Access Journals (Sweden)

    José Luis Martín Romero

    2014-12-01

    Full Text Available Resumen Se aborda la realidad laboral cubana desde una perspectiva crítica, tomando como referencia el alcance del ideal socialista y el cumplimiento del proyecto cubano de nación. Se parte del desiderátum de desarrollo en este sentido que se puede identificar para las relaciones de trabajo y para el mundo del trabajo en general. Todo el análisis se asienta en la larga experiencia investigativa del autor en estos temas y, sobre esa base, se proponen los cambios necesarios para acercar la realidad futura al escenario deseado. Se añade una visión sobre el papel de las ciencias sociales en esa transformación, las cuales deben participar críticamente en el debate desde sus aportaciones investigativas y desde su involucramiento en los procesos de cambio en curso. Abstract The Cuban labor reality is analysed from a critical approach, based on the Cuban National Project`socialist ideal. The paper stars from a description of a Cuban desideratum of work relations which is confronted with actual situation in nowaday conditions, before to porpouse the needed changes to make from the autor`s point of view. Additionally the paper presents the author`s scientific position according to the current rol of Social Sciences in the field of work and related concepts.

  11. The effect of nutrient enrichment on growth, photosynthesis and hydraulic conductance of dwarf mangroves in Panamá

    Science.gov (United States)

    Lovelock, C.E.; Feller, Ilka C.; McKee, K.L.; Engelbrecht, B.M.J.; Ball, M.C.

    2004-01-01

    1. Dwarf stands of the mangrove Rhizophora mangle L. are extensive in the Caribbean. We fertilized dwarf trees in Almirante Bay, Bocas del Toro Province, north-eastern Panama with nitrogen (N) and phosphorus (P) to determine (1) if growth limitations are due to nutrient deficiency; and (2) what morphological and/or physiological factors underlie nutrient limitations to growth. 2. Shoot growth was 10-fold when fertilized with P and twofold with N fertilization, indicating that stunted growth of these mangroves is partially due to nutrient deficiency. 3. Growth enhancements caused by N or P enrichment could not be attributed to increases in photosynthesis on a leaf area basis, although photosynthetic nutrient-use efficiency was improved. The most dramatic effect was on stem hydraulic conductance, which was increased sixfold by P and 2-5-fold with N enrichment. Fertilization with P enhanced leaf and stem P concentrations and reduced C:N ratio, but did not alter leaf damage by herbivores. 4. Our findings indicate that addition of N and P significantly alter tree growth and internal nutrient dynamics of mangroves at Bocas del Toro, but also that the magnitude, pattern and mechanisms of change will be differentially affected by each nutrient.

  12. Post-Hurricane Katrina coastal oblique aerial photographs collected from Panama City, Florida, to Lakeshore, Mississippi, and the Chandeleur Islands, Louisiana, August 31, 2005

    Science.gov (United States)

    Morgan, Karen L. M.; DeWitt, Nancy T.

    2017-04-03

    The U.S. Geological Survey (USGS), as part of the National Assessment of Storm-Induced Coastal Change Hazards project, conducts baseline and storm-response photography missions to document and understand the changes in vulnerability of the Nation's coasts to extreme storms. On August 31, 2005, the USGS conducted an oblique aerial photographic survey from Panama City, Florida, to Lakeshore, Mississippi, and the Chandeleur Islands, Louisiana, aboard a Piper Navajo Chieftain aircraft at an altitude of 500 feet and approximately 1,000 feet offshore. This mission was flown to collect post-Hurricane Katrina data, which can be used to assess incremental changes in the beach and nearshore area and can be used to assess future coastal change.The photographs in this report are Joint Photographic Experts Group (JPEG) images. These photographs document the state of the barrier islands and other coastal features at the time of the survey.

  13. Paleoecological and archaeological implications of a late Pleistocene/Early holocene record of vegetation and climate from the pacific coastal plain of panama

    Science.gov (United States)

    Piperno, Dolores R.; Jones, John G.

    2003-01-01

    A phytolith record from Monte Oscuro, a crater lake located 10 m above sea level on the Pacific coastal plain of Panama, shows that during the Late Pleistocene the lake bed was dry and savanna-like vegetation expanded at the expense of tropical deciduous forest, the modern potential vegetation. A significant reduction of precipitation below current levels was almost certainly required to effect the changes observed. Core sediment characteristics indicate that permanent inundation of the Monte Oscuro basin with water occurred at about 10,500 14C yr B.P. Pollen and phytolith records show that deciduous tropical forest expanded into the lake's watershed during the early Holocene. Significant burning of the vegetation and increases of weedy plants at ca. 7500 to 7000 14C yr B.P. indicate disturbance, which most likely resulted from early human occupation of the seasonal tropical forest near Monte Oscuro and the development of slash-and-burn methods of cultivation.

  14. Ubiquitous and ambient-assisted living eHealth platforms for Down's syndrome and palliative care in the Republic of Panama: A systematic review.

    Science.gov (United States)

    Saldaña Barrios, Juan Jose; Mendoza, Luis; Pitti, Edgardo; Vargas, Miguel

    2016-10-21

    In this work, the authors present two eHealth platforms that are examples of how health systems are migrating from client-server architecture to the web-based and ubiquitous paradigm. These two platforms were modeled, designed, developed and implemented with positive results. First, using ambient-assisted living and ubiquitous computing, the authors enhance how palliative care is being provided to the elderly patients and patients with terminal illness, making the work of doctors, nurses and other health actors easier. Second, applying machine learning methods and a data-centered, ubiquitous, patient's results' repository, the authors intent to improve the Down's syndrome risk estimation process with more accurate predictions based on local woman patients' parameters. These two eHealth platforms can improve the quality of life, not only physically but also psychologically, of the patients and their families in the country of Panama.

  15. Predominance of Trypanosoma rangeli infection in children from a Chagas disease endemic area in the west-shore of the Panama canal

    Directory of Open Access Journals (Sweden)

    Azael Saldaña

    2005-11-01

    Full Text Available A total of 206 serum samples from children (3-14 years old living in the Amador County (La Chorrera District, Province of Panama were screened by indirect immunofluorescence antibody test (IFAT for the presence of antibodies against Trypanosoma cruzi. Positive sera were confirmed by recombinant enzyme-linked immunosorbent assay (ELISA and Western blot analysis. The presence of blood trypanosomes was investigated by hemoculture and subsequently identify by a duplex polymerase chain reaction (PCR followed by dot blot hybridization. The results indicated a prevalence of 9.7% for trypanosome infections, a seroprevalence of 2.9% against T. cruzi and a predominance of T. rangeli infection (6.8%. The immunological and clinical implications of these findings are discussed.

  16. 云南香蕉枯萎病及防治研究进展%Advance in Research of Banana Panama Disease and Its Control in Yunnan Province

    Institute of Scientific and Technical Information of China (English)

    曾莉; 郭志祥; 番华彩; 李洪祥; 唐志敏; 李雁; 杨佩文; 白亭亭

    2016-01-01

    Banana Fusarium wilt disease, also known as Panama Disease, is a worldwide, destruction of banana disease. In 2009, it`s discovered in Yunnan and spread rapidly, causing serious economic losses. The research progress on this disease was re-viewed in this paper, and will thus assist researchers for further study on control.%香蕉枯萎病是一种世界性的、毁灭性的香蕉病害,2009年开始传入云南香蕉园并迅速扩展蔓延,造成严重经济损失。本文特就云南香蕉枯萎病的发生、危害现状,病原菌及防治技术的研究进展进行综述,以期为香蕉枯萎病的防控提供参考。

  17. Foraminifera And Coccolithophorid Assemblage Changes In The Panama Basin During The Last Deglaciation: Response To Sea-Surface Productivity Induced By A Transient Climate Change

    Science.gov (United States)

    Martinez, I.; Rincon, D.; Yokoyama, Y.; Barrows, T.

    2004-12-01

    The response of community assemblages of planktonic and benthonic foraminifera and coccolithophorids to transient climate change are explored for the uppermost 2m of cores ODP677B (1.2°N; 83.74°W, 3461m) and TR163-38 (1.34°S; 81.58°W, 2200m), for the last ~40ka. Results suggest that the deglaciation interval was a time of increased productivity and a major reorganization of planktonic trophic webs. The succession in dominance of planktonic foraminifera species Globorotalia inflata, Globigerina bulloides, and Neogloboquadrina pachyderma denote four periods of oceanographic change: (1) advection (24 to 20ka), (2) strong upwelling (20 to 15ka), (3) weak upwelling (14 to 8ka) and (4) oligotrophy (8ka to Present). Strong upwelling for the deglaciation interval is supported by the low Florisphaera profunda / other coccolithophorids ratio and the high percentage abundance of Gephyrocapsa oceanica. Benthonic foraminifera assemblage changes are different in both cores and suggest significant regional variations in surface productivity and/or oxygen content at the seafloor, and a decoupling between surface productivity and export production to the seafloor. This decoupling is evidenced by the inverse relationship between the percentage abundance of infaunal benthonic foraminifera and the percentage abundance of N. pachyderma. The terrigenous input of the Colombian Pacific rivers, particularly the San Juan River, is suggested as a possible mechanism. Finally, the Globorotalia cultrata /Neogloboquadrina dutertrei ratio, is used to reconstruct the past influence of the Costa Rica Dome - Panama Bight and cold tongue upwelling systems in the Panama Basin. A northern influence is suggested for the late Holocene (after 5ka), and the last glacial (before 20ka), whereas a southern influence is suggested for the 20 to 5ka interval. There is a correspondence between our reconstructed northern and southern influences and previously proposed positions of the Intertropical Convergence

  18. Las representaciones levantinas de bovinos de la Casa Forestal de Tormón (Teruel: Ceja de Piezarrodilla y Cerrada del Tío Jorge

    Directory of Open Access Journals (Sweden)

    Manuel BEA

    2015-06-01

    Full Text Available Se presenta el análisis, mediante nuevas técnicas de documentación, de dos de los conjuntos rupestres con figuras de bóvidos levantinas más destacadas de la Sierra de Albarracín: Ceja de Piezarrodilla y Cerrada del Tío Jorge. Pasados más de 30 años desde el último estudio exhaustivo realizado sobre estos conjuntos, el tratamiento digital de la imagen nos ha permitido no sólo documentar mejor las representaciones, sino ofrecer una nueva lectura relativa a la conservación de las pinturas en determinados motivos, apuntando al crecimiento de agentes bióticos sobre los pigmentos del toro de Ceja de Piezarrodilla.El reestudio de los conjuntos rupestres de la zona, junto al realizado sobre nuevos abrigos recientemente descubiertos, ha permitido establecer paralelos temáticos y estilísticos que subrayan la conformación en la Sierra de Albarracín de un verdadero núcleo rupestre con particularidades que poco tienen que ver con el arte levantino propio de otras áreas geográficas.

  19. Del Derecho laboral al Derecho del trabajo

    OpenAIRE

    Jaramillo Jassir, Ivan Daniel

    2011-01-01

    El Derecho Laboral hijo de la revolución industrial, calificado como el acontecimiento jurídico del siglo XX, reduce su ámbito de estudio al trabajo subordinado. Los cambios del sistema de producción superan la centralidad del contrato de trabajo subordinado a tiempo indeterminado, situación que demanda ampliación del ámbito de aplicación subjetivo y objetivo de la materia, dando paso al Derecho del Trabajo que se ocupa del trabajo en todas sus modalidades como fuente de ingreso para satisfac...

  20. Talento y facilismo

    Directory of Open Access Journals (Sweden)

    Míriam Cotes Benítez

    2003-09-01

    Full Text Available Apuntes de errancia. Cristina Toro. Ediciones La Pluma del Águila, Medellín, 2000, 84 págs. La humedad del fuego. Cristina Toro. Ediciones La Pluma del Águila, Medellín, 2001, 47 págs.

  1. AVALIAÇÃO CLÍNICO-ANDROLÓGICA EM TOUROS NELORE E TESTES DE VIABILIDADE ESPERMÁTICA, INTEGRIDADE DE ACROSSOMA E FRAGMENTAÇÃO DE CROMATINA AO LONGO DE TRÊS ESTAÇÕES REPRODUTIVAS BREEDING SOUDNESS EXAMINATION IN NELORE ZEBU BULLS AND SPERM VIABILITY, ACROSSOME AND CHROMATIN INTEGRITY ASSAY FOR THREE BREEDING SEASONS EVALUACIÓN CLÍNICA ANDROLÓGICA DE TOROS NELORE Y TESTS DE VIAVILIDAD ESPERMÁTICA, INTEGRIDAD DE ACROSOMA Y FRAGMENTACIÓN DE CROMATINA A LO LARGO DE TRES ESTACIONES DE MONTA

    Directory of Open Access Journals (Sweden)

    Leonardo Marçal da Silva

    2009-12-01

    ísticas físicas, morfológicas y de integridad espermática y el desempeño reproductivo del  rebaño fueron bajas y no significativas (P>0,05. En toros sexualmente maduros la integridad de la membrana plasmática, acrosoma e fragmentación de cromatina nuclear no fueron los problemas mas frecuentes de la da morfología espermática

  2. Precios y oferta para el culantro castilla (Coriandrum sativum L. entre los principales mercados mayoristas de Costa Rica y Panama

    Directory of Open Access Journals (Sweden)

    Alexis Villalobos Monge

    2012-05-01

    Full Text Available Este artículo muestra los resultados del análisis compa- rativo de precios y volúmenes ofertados del culantro de castilla en los principales mercados mayoristas de Costa Rica y Panamá. Como antecedente se tiene la ejecución de una gira de prospección realizada en el 2009 a Ciudad de Panamá por parte de los colaboradores del proyecto “Investigación de mercados agrícolas” de la Estación Ex- perimental Fabio Baudrit de la Universidad de Costa Rica. En esta gira se detectó que el culantro castilla presentaba interesantes oportunidades de mercado gracias al precio y a la calidad del producto ofertado, razón por la cual se definió, como línea de trabajo, profundizar en aspectos de esta índole para determinar las particularidades de los principales mercados mayoristas de cada país en el caso de este alimento. Se llevó a cabo una revisión de series de tiempo para datos de precio y oferta emitidos por las fuentes encargadas de cada mercado, con los que se reali- zaron comparaciones de estadísticos y análisis de tenden- cia por regresión lineal, los cuales permitieron dimensionar las diferencias entre ambos sitios para enmarcar el com- portamiento del culantro castilla como potencial agrone- gocio, relacionado con el consumo a nivel de cada país. Entre los principales hallazgos, se puede mencionar que en Costa Rica históricamente ha existido un mayor con- sumo de esta hortaliza en comparación con Panamá, sin embargo, la tendencia detectada en Panamá, en cuanto a precios y volúmenes ofertados, está creciendo a mayor velocidad en este último mercado. Las diferencias prome- dio de precios pagados en Panamá superan por más del 100% a los pagados en Costa Rica por la misma unidad de comercialización según series mensuales para un periodo de 4 años, razón por la que se afinó la observación y se analizaron las plazas de comercialización para un total de 246 plazas mayoristas, donde se encontró que en el 94% de las veces

  3. Spatially controlled Fe and Si isotope variations: an alternative view on the formation of the Torres del Paine pluton

    Science.gov (United States)

    Gajos, Norbert A.; Lundstrom, Craig C.; Taylor, Alexander H.

    2016-11-01

    We present new Fe and Si isotope ratio data for the Torres del Paine igneous complex in southern Chile. The multi-composition pluton consists of an approximately 1 km vertical exposure of homogenous granite overlying a contemporaneous 250-m-thick mafic gabbro suite. This first-of-its-kind spatially dependent Fe and Si isotope investigation of a convergent margin-related pluton aims to understand the nature of granite and silicic igneous rock formation. Results collected by MC-ICP-MS show a trend of increasing δ56Fe and δ30Si with increasing silica content as well as a systematic increase in δ56Fe away from the mafic base of the pluton. The marginal Torres del Paine granites have heavier Fe isotope signatures (δ56Fe = +0.25 ± 0.02 2se) compared to granites found in the interior pluton (δ56Fe = +0.17 ± 0.02 2se). Cerro Toro country rock values are isotopically light in both Fe and Si isotopic systems (δ56Fe = +0.05 ± 0.02 ‰; δ30Si = -0.38 ± 0.07 ‰). The variations in the Fe and Si isotopic data cannot be accounted for by local assimilation of the wall rocks, in situ fractional crystallization, late-stage fluid exsolution or some combination of these processes. Instead, we conclude that thermal diffusion or source magma variation is the most likely process producing Fe isotope ratio variations in the Torres del Paine pluton.

  4. SEROPREVALENCIA DEL VIRUS DE LA LEUCOSIS VIRAL BOVINA EN ANIMALES CON TRASTORNOS REPRODUCTIVOS DE MONTERÍA

    Directory of Open Access Journals (Sweden)

    César Betancur H

    2008-04-01

    Full Text Available Objetivo. Determinar la seroprevalencia de Leucosis Viral Bovina (LVB en animales con trastornos reproductivos. Materiales y métodos. Se recolectaron 137 muestras de sangre de hembras con antecedentes de infertilidad, pertenecientes a 28 fincas distribuidas en el municipio de Montería; adicionalmente, se obtuvieron muestras al azar de 26 toros pertenecientes a las mismas fincas que fueron analizadas para anticuerpos contra LVB. La técnica serológica empleada fue la prueba de ELISA. Se realizó un análisis descriptivo tabulando la información con datos de seropositividad y seronegatividad obtenidos de cada animal; los resultados se interpretaron de acuerdo a las variables: raza, edad, sexo, zona, tipo de explotación y evento o problema reproductivo detectado. Para determinar la asociación entre seropositividad y cada una de las variables se utilizó la prueba de c2. Resultados. Las pruebas arrojaron una seroprevalencia del 21% para LVB. No se encontraron diferencias significativas de prevalencia asociadas a las variables raza, edad o estado reproductivo de los animales (p³0.05, pero si entre la presencia de anticuerpos contra LVB y las variables zona, tipo de explotación y sexo. Conclusiones. Se demuestra la circulación del virus de la LVB en Montería, (Colombia. Se confirma la importancia de implementar un programa de control y prevención de la diseminación de la infección, con el fin de evitar las pérdidas económicas asociadas, y dentro de lo posible, la eliminación de los especímenes seropositivos para lograr la erradicación de la infección en esta zona del país.

  5. del cambio

    Directory of Open Access Journals (Sweden)

    Alejandro Canales

    2006-01-01

    Full Text Available El artículo analiza las propuestas y los compromisos en materia de cobertura y de financiamiento en el periodo 2000-2006. En particular, revisa las modificaciones y los ajustes de los tres principales documentos en los que se expresaron las iniciativas: el de la Asociación Nacional de Universidades e Instituciones de Educación Superior, el del equipo de la transición y el programa sectorial. Los resultados muestran que las cifras de atención a la demanda educativa e inversión quedaron lejos de las metas autoimpuestas por el gobierno federal y que será necesario realizar mayores esfuerzos para atender tales desafíos.

  6. Aproximación a la obra de Picasso a través de la representación del ejercicio físico. De Málaga a Guernica=An approach to Picasso's work through his representation of physical exercise. From Málaga to Guernica

    Directory of Open Access Journals (Sweden)

    Teresa González Aja

    2013-03-01

    Full Text Available Una de las constantes en la obra de Pablo Ruiz Picasso es el tratamiento, diverso, del ejerciciofísico e incluso, en algunas ocasiones, del juego y del deporte. Además, muestra diversasinfluencias de épocas y estilos artísticos y de algunos de sus pintores favoritos, a la hora deinterpretar algunas de las actividades físico-deportivas que aparecen en su obra. Este textopresenta el estudio de tales actividades -bañistas, caballos, boxeadores, toros, incluso algúnautorretrato-en la primera etapa del pintor que aquí se concluye con la llegada de la GuerraCivil.------------------------------------------------------------------------------One of the constant features in Pablo Ruiz Picasso's work is the treatment of physical exerciseand occasionally even of sport and play. Besides, when interpreting some of the sport andphysical activities appearing in his work he is greatly influenced by various artistic periods andstyles and by some of his favourite painters. This text provides a study of such activities -bathers, horses, boxers, bulls, even some self-portraits- in the painter's first period, finishingwith the outbreak of the Civil War.

  7. LA POLITICA SOCIAL DEL "GOBIERNO DEL CAMBIO"

    OpenAIRE

    Laura Mota Díaz

    2002-01-01

    El artículo se centra en la política social del actual sexenio foxista , la cual se ha definido como incluyente y equitativa dentro del marco de un gobierno autodenominado del cambio, no sólo por lo que se refiere a la alternancia política del poder, sino porque además pretende ser un gobierno con una visión más amplia del desarrollo. Todo ello se traduce en nuevas estrategias para alcanzar la democracia, la equidad, la justicia social y el bienestar general de la población. El ob...

  8. Cruise Report; RV Moana Wave cruise M1-01-GM; the bathymetry and acoustic backscatter of the mid shelf to upper slope off Panama City, Florida, northeastern Gulf of Mexico; September 3, through October 12, 2001, Panama City, FL to Panama City, FL

    Science.gov (United States)

    Gardner, James V.; Mayer, Larry A.; Hughes-Clarke, John E.; Dartnell, Peter; Sulak, Kenneth J.

    2001-01-01

    A zone of deep-water reefs is thought to extend from the mid and outer shelf south of Mississippi and Alabama to at least the northwestern Florida shelf off Panama City, Florida (Figure 1, 67kb). The reefs off Mississippi and Alabama are found in water depths of 60 to 120 m (Ludwick and Walton, 1957; Gardner et al., in press) and were the focus of a multibeam echosounder (MBES) mapping survey by the U.S. Geological Survey (USGS) in 2000 (Gardner et al., 2000; in press). If this deep-water-reef trend does exist along the northwestern Florida shelf, then it is critical to determine the accurate geomorphology and type of the reefs that occur because of their importance as benthic habitats for fisheries. Precisely georeferenced high-resolution mapping of bathymetry is a fundamental first step in the study of areas suspected to be critical habitats. Morphology is thought to be critical to defining the distribution of dominant demersal plankton/planktivores communities. Fish faunas of shallow hermatypic reefs have been well studied, but those of deep ahermatypic reefs have been relatively ignored. The ecology of deep-water ahermatypic reefs is fundamentally different from hermatypic reefs because autochthonous intracellular symbiotic zooxanthellae (the carbon source for hermatypic corals) do not form the base of the trophic web in ahermatypic reefs. Instead, exogenous plankton, transported to the reef by currents, serves as the primary carbon source. Thus, one of the principle uses of the morphology data will be to identify whether any reefs found are hermatypic or ahermatypic in origin. Community structure and trophodynamics of demersal fishes of the outer continental of the northeastern Gulf of Mexico presently are the focus of a major USGS reseach project. A goal of the project is to answer questions concerning the relative roles played by morphology and surficial geology in controling biological differentiation. Deep-water reefs are important because they are fish

  9. Primer registro de miasis por Sarcophagidae (Diptera: Oestroidea en Hyalinobatrachium fleischmanni (Anura: Centrolenidae de Panamá First record of myiasis by Sarcophagidae (Diptera: Oestroidea in Hyalinobatrachium fleischmanni (Anura: Centrolenidae from Panama

    Directory of Open Access Journals (Sweden)

    Daniel Medina

    2009-04-01

    Full Text Available Se registra por primera vez un caso de miasis por larva de Sarcophagidae sobre Halinobatrachium fleishmanni colectada en el Parque Nacional Soberanía (Panamá, siendo éste el primer registro de miasis en anuros de la familia Centrolenidae.We report the first record of myiasis by Sarcophagidae, on the glass frog Hyalinobatrachium fleishmanni collected in the Parque Nacional Soberanía (Panama, representing the first record of myiasis for Centrolenidae anurans.

  10. The begining of the institutionalized education between the Kuna of Panama El inicio de la educación institucionalizada entre los Kunas de Panamá

    Directory of Open Access Journals (Sweden)

    Gaspar Félix CALVO POBLACIÓN

    2013-09-01

    Full Text Available When Panama and Colombia split up, the Panama Government tried everything they could, to strengthen their borders and specially those that shared with their former ally. The Kunas lined in that region and the efforts of the government focused on the naturalization of this region occupied by native people. From the first laws passed, the Government tried to civilice that people. Education was a way to getting what they wanted. The Government offered grants to the population so that they could study in the capital; so, those students would help the Goverment to change the ideas of all the native population, some of those who helped the Goverment were killed. The Catholic and Protestant missions also played an important role above all until the first schools in that region were set up in i9i5. Education as was understood by the Goverment caused divisions and clashes, there was even a revolution in 1925 that tried to stop the outrage of those who wanted to civilize the native population.Cuando Panamá y Colombia se separaron a comienzos de este siglo, el gobierno panameño intentó reforzar sus fronteras, utilizando los puestos escolares y policiales como medida. Los kunas precisamente habitaban esta línea fronteriza entre los dos países. Las primeras leyes dictadas se encaminaron a la civilización de este pueblo. Y la educación estaba dirigida a conseguir el afianzamiento de la nación; y para ello se emplearon todos los medios: becas, creación de internados... pues los estudiantes iban a ayudar a los mandatarios a cambiar las ideas de los nativos, llegando incluso a perder la vida. Las misiones católicas y protestantes jugaron también un papel importante hasta el momento de la creación de la primera escuela en i9±5. Pero esta educación creó división entre los propios indios y se llegó hasta una revolución en 1925 que pretendía la separación de Panamá y frenar los abusos que se estaban cometiendo bajo la bandera de la civilización.

  11. EL DESCUBRIMIENTO DE UN CEMENTERIO DE ÉLITE EN EL CAÑO: INDICIOS DE UN PATRÓN FUNERARIO EN EL VALLE DE RÍO GRANDE, COCLÉ, PANAMÁ (The Discovery of an Elite Cemetery at El Caño: Traces of a Mortuary Pattern in Río Grande Valley, Coclé, Panama

    Directory of Open Access Journals (Sweden)

    Julia Mayo

    2013-11-01

    Full Text Available El Caño, situado en la provincia de Coclé (Panamá, es un yacimiento arqueológico conocido por su singular estilo escultórico y por contener estructuras arqueológicas de piedra. Recientemente se han descubierto en este lugar cuatro tumbas de personas de élite con ricos ajuares, fechadas entre el 700 y el 1000 d. C. Estas son coetáneas a las halladas en el cercano Sitio Conte, una necrópolis en la que se encontraron, hace más de ochenta años, las primeras evidencias arqueológicas de la complejidad de las sociedades precolombinas del istmo. La existencia en Sitio Conte y El Caño de elementos semejantes —basaltos columnarios dispuestos en hileras, calzadas y ricas tumbas— organizados además de forma similar, indica la posibilidad de la existencia de un patrón funerario en el valle de Río Grande. ENGLISH: El Caño, located in the Coclé province, Panama, is known for its unique stone sculptural style and stone structures. Recently four lavish burials have been discovered. Dated between 700 and 1000 AD, they are broadly coeval with similar mortuary features at nearby Sitio Conte, a cemetery which provided the first archaeological evidence for the sumptuous wealth of Panamanian chiefdoms more than eighty years ago. The existence in Sitio Conte and El Caño of similar elements—alignments of basalt columns, causeways and rich tombs—with a similar spatial organization, indicates the possibility of the existence of a mortuary pattern in Río Grande.

  12. Knowledge, Behavioral, and Sociocultural Factors Related to Human Papillomavirus Infection and Cervical Cancer Screening Among Inner-City Women in Panama.

    Science.gov (United States)

    Vamos, Cheryl A; Calvo, Arlene E; Daley, Ellen M; Giuliano, Anna R; López Castillo, Humberto

    2015-12-01

    Cervical cancer remains a leading cause of mortality in developing countries regardless of biomedical advances in prevention modalities. Specifically, Panama experiences one of the highest rates of cervical cancer worldwide. The objective of this study was to explore knowledge, behavioral, and sociocultural factors related to cervical cancer prevention among Panamanian women. A theory-guided, population-based quantitative survey following participatory processes was administered to a randomized sample of females (18-44 years) residing in a high-risk Panamanian community. Participants (n = 324) reported low knowledge regarding HPV, cervical cancer, and the purpose of the Pap test. Furthermore, low perceived susceptibility, high-risk sexual behaviors (e.g., low contraception and condom use) and adverse attitudes toward the Pap test (e.g., shame, fear) were identified. Television, newspapers/magazines, and relatives/friends/neighbors were common sources to receive health information. Significant gaps in knowledge and behavioral factors were identified, which may interfere with cervical cancer prevention efforts. Future strategies should reflect the sociocultural context, such as interpersonal relations, when developing and implementing cervical cancer programs, with the ultimate goal of decreasing the persistent burden among Latin American women.

  13. Three new species of Carychium O.F. Müller, 1773 from the Southeastern USA, Belize and Panama are described using computer tomography (CT (Eupulmonata, Ellobioidea, Carychiidae

    Directory of Open Access Journals (Sweden)

    Adrienne Jochum

    2017-05-01

    Full Text Available Three new species of the genus Carychium O.F. Müller, 1773, Carychium hardiei Jochum & Weigand, sp. n., Carychium belizeense Jochum & Weigand, sp. n. and Carychium zarzaae Jochum & Weigand, sp. n. are described from the Southeastern United States, Belize and Panama, respectively. In two consecutive molecular phylogenetic studies of worldwide members of Carychiidae, the North and Central American morphospecies Carychium mexicanum Pilsbry, 1891 and Carychium costaricanum E. von Martens, 1898 were found to consist of several evolutionary lineages. Although the related lineages were found to be molecularly distinct from the two nominal species, the consequential morphological and taxonomic assessment of these lineages is still lacking. In the present paper, the shells of these uncovered Carychium lineages are assessed by comparing them with those of related species, using computer tomography for the first time for this genus. The interior diagnostic characters are emphasized, such as columellar configuration in conjunction with the columellar lamella and their relationship in context of the entire shell. These taxa are morphologically described and formally assigned their own names.

  14. La Yeguada volcanic complex in the Republic of Panama: an assessment of the geologic hazards using 40ar/39ar geochronology

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    Karinne L. Knutsen

    2013-12-01

    Full Text Available Abstract: La Yeguada volcanic complex is one of three Quaternary volcanic centers in Panama. To assess potential geologic hazards, new samples were analyzed using argon analysis (40Ar/39Ar , and obtained the following: the most recent eruption occurred approximately 32,000 years ago at the Media Luna cinder cone; the youngest dated eruption from the main dome complex occurred 357 ± 19 ka, producing the Castillo dome unit; Cerro Picacho, a separate dacite dome 1.5 km east of the main complex is 4.47 ± 0.23 Ma; and the El Satro Pyroclastic Flow unit surrounds the northern portion of the volcanic complex is 11.26 ± 0.17 Ma. No Holocene (10,000 years ago to present activity is recorded at the La Yeguada volcanic complex and therefore, it is unlikely to produce another eruption. The main geologic hazard at the La Yeguada volcanic complex is from landslides coming off the many steep slopes.

  15. Sílidos (Syllidae: Polychaeta del Parque Nacional de Coiba (Pacífico, Panamá

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    María Teresa Aguado

    2006-09-01

    Full Text Available Durante un estudio sobre la fauna marina del Parque Nacional de Coiba (Panamá se identificaron 281 ejemplares de sílidos (Annelida: Polychaeta intersticiales pertenecientes a 19 especies. Dos son nuevas citas para el Pacífico, Exogone (Exogone arenosa Perkins, 1981 y Streptosyllis websteri Southern, 1914; cinco son nuevas citas para Panamá, E. (E. dispar (Webster, 1879, E. (E. longicornis Westheide, 1974, Salvatoria mediodentata (Westheide, 1974; Pionosyllis heterocirrata (Hartmann-Schröder, 1959 y Syllis glarearia (Westheide, 1974. Se describe un caracter no presente en la descripción original de E. Longicornis, la presencia de procesos triangulares subterminales en la primera pseudospinígera. Se describen ejemplares de la especie Syllis botosaneanui Hartmann-Schröder, 1973 con embriones en diverso estado de desarrollo en su interior, por lo que se trata de la primera referencia de esta especie como vivípara. Por último, se describe un ejemplar de Syllis sp., que se caracteriza fundamentalmente por la posesión de una larga faringe, dos lóbulos prostomiales dorsales y por sus sedas compuestas de artejos cortos y larga espinulación. Estas características diferencian a Syllis sp. de cualquier especie del género pero no se describe como especie nueva por disponerse únicamente de un solo ejemplar.Syllids (Syllidae: Polychaeta from Coiba National Park (Pacific of Panama. During a study carried out on soft bottoms from Coiba National Park (Panama, 218 specimens of syllids (Annelida: Polychaeta belonging to 19 interstitial species have been identified. Two species are new reports for the Pacific Ocean, Exogone (Exogone arenosa Perkins, 1981 and Streptosyllis websteri Southern, 1914; five are new for Panama, E. (E. dispar (Webster, 1879; E. (E. longicornis Westheide, 1974; Salvatoria mediodentata (Westheide, 1974; Pionosyllis heterocirrata (Hartmann-Schröder, 1959 and Syllis glarearia (Westheide, 1974. A characteristic not mentioned in

  16. Exploring the Y Chromosomal Ancestry of Modern Panamanians.

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    Viola Grugni

    Full Text Available Geologically, Panama belongs to the Central American land-bridge between North and South America crossed by Homo sapiens >14 ka ago. Archaeologically, it belongs to a wider Isthmo-Colombian Area. Today, seven indigenous ethnic groups account for 12.3% of Panama's population. Five speak Chibchan languages and are characterized by low genetic diversity and a high level of differentiation. In addition, no evidence of differential structuring between maternally and paternally inherited genes has been reported in isthmian Chibchan cultural groups. Recent data have shown that 83% of the Panamanian general population harbour mitochondrial DNAs (mtDNAs of Native American ancestry. Considering differential male/female mortality at European contact and multiple degrees of geographical and genetic isolation over the subsequent five centuries, the Y-chromosome Native American component is expected to vary across different geographic regions and communities in Panama. To address this issue, we investigated Y-chromosome variation in 408 modern males from the nine provinces of Panama and one indigenous territory (the comarca of Kuna Yala. In contrast to mtDNA data, the Y-chromosome Native American component (haplogroup Q exceeds 50% only in three populations facing the Caribbean Sea: the comarca of Kuna Yala and Bocas del Toro province where Chibchan languages are spoken by the majority, and the province of Colón where many Kuna and people of mixed indigenous-African-and-European descent live. Elsewhere the Old World component is dominant and mostly represented by western Eurasian haplogroups, which signal the strong male genetic impact of invaders. Sub-Saharan African input accounts for 5.9% of male haplotypes. This reflects the consequences of the colonial Atlantic slave trade and more recent influxes of West Indians of African heritage. Overall, our findings reveal a local evolution of the male Native American ancestral gene pool, and a strong but

  17. Consideraciones alrededor del Libro del Almismo, el Libro del Pensar.

    OpenAIRE

    MartaLucía Tamayo Fernandez

    1999-01-01

    La doctora MarthaLucía Tamayo comparte muchas inquietudes alrededor del Libro del Almismo, el Libro del Pensar; de dónde salió ese nombre; de juntar en medicina y en genética a tres escritores como lo son Jorge Luis Borges, Macedonio Fernández y Julio Cortázar. Su conferencia dice así:

    El término almismo fue ideado por Macedonio Fernández porque defendía mucho el ensimismamiento y el pensamiento hacia el interior, mirar hacia adentro; cada uno somos un “sí mismo” qu...

  18. La violencia y El otro lado del sueño de Pedro Luis Prados

    Directory of Open Access Journals (Sweden)

    Jaime Zambrano

    2013-08-01

    Full Text Available Es un análisis formal de los cuentos de El otro lado del sueño, de Pedro Luis Prados. El tema gira alrededor de la invasión de Panamá, por parte del ejército estadounidense, con la intención de deponer a Manuel Noriega en 1989. El estudio se centra en el tema de la violencia y en la forma como se incorpora en la ficción dándole un carácter peculiar, por el tratamiento histórico del tema que logra alejarse de la narración historicista. Aunque lo narrado tiene un carácter verosímil, la narrativa es una obra de ficción estéticamente lograda que descubre una nueva dimensión existencial y onírica del evento histórico. This is a formal analysis of short stories in El otro lado del sueño, by Pedro Luis Prados. The main theme is the invasion of Panama by the U.S. army, with the intention of deposing Manuel Noriega in 1989. The study focuses on the theme of violence and on how it is incorporated into the work of fiction, giving these short stories unique character, due to their treatment of history which distinguishes them from historic fiction. Although the narrations have a verisimilar essence, the stories become an esthetic work of fiction that exhibits a new oneiric and existential dimension of the historical events.

  19. Acerca del moho

    Science.gov (United States)

    El moho forma parte del medio ambiente natural. Afuera del hogar, el moho juega un papel en la naturaleza al desintegrar materias organicas tales como las hojas que se han caido o los arboles muertos. El moho puede crecer adentro del hogar cuando las espor

  20. Útiles de hueso del Neolítico final del sur de la Península Ibérica empleados en alfarería: placas curvas, biseles, placas y apuntados

    Directory of Open Access Journals (Sweden)

    Meneses Fernández, María Dolores

    1994-06-01

    Full Text Available This paper shows the study of a series of bone artefacts from a Late Neolithic site in the south of the Iberian Peninsula. This work intends to complete the morphological and metric descriptions using a technological approach (traceological method and functional perspective. The relationship between this set of bone tools and the pottery works was well-established according to (1st traceological observation, (2nd the results from experimental reproduction (manufacture and use principally, and (3rd the comparison between the morphology of certain pieces (curved plates and the ceramic one, associated in the same stratigraphic level. The particular features of the bone industry from El Toro Cave permitted us the identification of bone implements pertaining to the kit or case of instruments which prehistoric man needed for the manufacture of ceramic vases.

    [es] Presentamos el estudio de una serie de objetos de hueso del Neolítico final del Sur de la Península Ibérica, cuyo objetivo es completar la descripción morfométrica con una interpretación tecnológica, a través de la observación traceológica y la experimentación. Junto a éstas, la morfología y metría de cada pieza han sido consideradas en la identificación de sus usos; así, la adaptación de sus formas y dimensiones a determinadas actividades ha contribuido en la tarea de restituirlos al contexto tecnológico del que formaron parte. Se propone también un ejemplo de interdependencia entre el soporte óseo elegido por el artesano, los atributos técnicos de los artefactos manufacturados a partir de dichos soportes y las actividades a los que se destinaron. Todos los objetos proceden de la ocupación neolítica final de un mismo yacimiento, la Cueva de El Toro (provincia de Málaga, y presentan la particularidad común de estar relacionados con el trabajo de la arcilla. La buena conservación de la industria ósea de esta yacimiento ha permitido, pues, identificar algunos

  1. Del territorio del sujeto al emplazamiento del Común

    Directory of Open Access Journals (Sweden)

    Mariano Adrían Ferretti

    2016-01-01

    Full Text Available La construcción de lo público abarca una variedad de dinámicas que condicionan el resultado físico de los espacios donde actúan los individuos en sus necesidades de habitar, modificando su realidad desde la diferenciación y la singularización subjetiva del entorno que derivan en nuevas formas de territorialidad de lo público a partir de la dialéctica entre lo público y lo privado. Sin embargo, los resultados de tales representaciones entendidas como acciones colectivas –y por tanto comunes- no siempre explican los valores que desde lo simbólico partiendo del sujeto constituyan un estatus diferente de lo público en los procesos de territorialización. Se propone una aproximación que aborde de manera teórica cuestiones tales como: los vínculos del individuo con los procesos de acumulación material y transformación del territorio y las implicaciones que dichos fenómenos tienen en la posibilidad de constitución de un sujeto que trascendiendo al individuo sea capaz de conformar un nuevo estatus del sujeto o, dicho de otro modo, un emplazamiento del Común.

  2. Historia del genoma humano

    OpenAIRE

    Castaño Valencia, Óscar

    2006-01-01

    En 1990 el Doctor Charles de Lisi presentó el proyecto del GENOMA HUMANO en asocio del Instituto de Salud Americano, el Instituto Whithead de Cambridge, la Universidad de Washingtong, el Colegio Médico de Baylor y el Instituto del Genoma Humano, de California.Estos organismos han venido actuando desde esa época, contando con la financiación de los gobiernos del Japón, Alemania, Francia, China y naturalmente del americano.En sus fases iniciales fue orientado por el Dr. James Watson quien contó...

  3. Los nudos del sistema

    OpenAIRE

    2000-01-01

    Pieza central del antiguo régimen; pacto, acuerdo o trato con algunos actores decisivos del sistema político susceptible de ser revisado; forma cultural de relaciones de poder o de intercambio; pirámide de organizaciones o estructura sectorial: ¿qué tan invisible sigue siendo, qué tan montada sigue estando la pirámide del corporativismo mexicano antes y después del 2 de julio de 2000? Este fenómeno constituye el eje central de las reflexiones del presente ensayo. En torno al mismo, se pres...

  4. MORBIMORTALIDAD EN LA UNIDAD DE CUIDADOS INTENSIVOS PEDIÁTRICOS DEL HOSPITAL INFANTIL UNIVERSITARIO DE MANIZALES DURANTE LOS AÑOS 2006 Y 2007 Morbidity and mortality in pediactric intensive care unit of Child Hospital Manizales University during 2006 and 2007

    Directory of Open Access Journals (Sweden)

    Paula Andrea Botero-González

    2010-01-01

    Full Text Available Antecedentes. La Unidad de Cuidados Intensivos Pediátricos del Hospital Infantil de la Cruz Roja "Rafael Henao Toro" de la ciudad de Manizales, Colombia, se ha convertido en referencia para esta zona del país. No se cuenta con estudios en los que se analice la epidemiología de esta unidad, datos que podrían ser importantes en varios sentidos. Objetivo. Realizar un estudio epidemiológico de la población que ingresa a la Unidad de Cuidados Intensivos Pediátricos en el Hospital Infantil Universitario de Manizales (Colombia, años 2006, 2007. Material y métodos. Estudio de corte transversal. Las variables empleadas fueron: edad, fecha de ingreso y egreso, género, procedencia, seguridad social, causa de ingreso, tiempo de estancia, procedimientos utilizados, causa de egreso, destino de alta y causas de mortalidad. Resultados. Se presenta una serie de 341 pacientes pediátricos críticos cuya edad media fue 6.8 años, género masculino 61%, de aéreas rurales 56.2%. Las enfermedadesResumen Antecedentes. La Unidad de Cuidados Intensivos Pediátricos del Hospital Infantil de la Cruz Roja "Rafael Henao Toro" de la ciudad de Manizales, Colombia, se ha convertido en referencia para esta zona del país. No se cuenta con estudios en los que se analice la epidemiología de esta unidad, datos que podrían ser importantes en varios sentidos. Conclusiones. Con la investigación realizada se logró la identificación de las causas más frecuentes de ingreso a la Unidad de Cuidados Intensivos Pediátricos, tales como enfermedades infecciosas y generales. Se establecieron las enfermedades que incidían en una alta mortalidad en dicha Institución, como se representó en la relación entre causa de ingreso y egreso, observándose mayor mortalidad en las enfermedades infecciosas.Background. The Pediatric Intensive Care Unit of the "Hospital Infantil Universitario de la Cruz Roja Rafael Henao Toro" in Manizales (Colombia, has become a reference center for

  5. Human uses of forested watersheds and riparian corridors: hazard mitigation as an ecosystem service, with examples from Panama, Puerto Rico, and Venezuela

    Science.gov (United States)

    Larsen, M. C.

    2015-12-01

    Humans have long favored settlement along rivers for access to water supply for drinking and agriculture, for transport corridors, and for food sources. Additionally, settlement in or near montane forests include benefits such as food sources, wood supply, esthetic values, and high quality water resources derived from watersheds where upstream human disturbance and environmental degradation is generally reduced. However, the advantages afforded by these riparian and montane settings pose episodic risks for communities located there as floods, landslides, and wildfires cause loss of life, destroy infrastructure, and damage or destroy crops. A basic understanding of flood probability and magnitude as well as hillslope stability by residents in these environments can mitigate these risks. Early humans presumably developed some degree of knowledge about these risks by means of their long periods of occupation in these environments and their observations of seasonal and storm rainfall patterns and river discharge, which became more refined as agriculture developed over the past 10,000 years. Modern global urbanization, particularly in regions of rapid economic growth, has resulted in much of this "organic" knowledge being lost, as rural populations move into megacities, many of which encroach on floodplains and mountain fronts. Moreover, the most likely occupants of these hazardous locations are often economically constrained, increasing their vulnerabity. Effective stewardship of river floodplains and upstream montane forests yields a key ecosystem service, which in addition to the well-known services, ie. water, hydroelectric energy, etc., provides a risk mitigation service, by reducing hazard and vulnerability. Puerto Rico, Panama, and Venezuela illustrate a range of practices and results, providing useful examples for planners and land use managers.

  6. Concentration and accumulation of nutrients in the aerial biomass of teak plantations 3 to 18 old, in the Panama Canal watershed.

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    Rafael Murillo

    2015-11-01

    Full Text Available Tissue samples from aerial biomass compartments (bark, wood, primary and secondary branches, and foliage were taken from 16 dominant trees of teak in plantations of the Panama Canal watershed, whose volume yield ranged between 9.4 and 13.3 m3 ha-1. year-1 at ages 3 and 18 years, respectively, growing in clayey, red, and acid Ultisols. Wet and dry weight of the different tissues was measured and subsamples taken to be analyzed for macronutrients (N, K, Ca, Mg, P and S and micronutrients (Fe, Mn, Zn, Cu and B. Regression analyses allowed to relate nutrients accumulation with tree age. Dry biomass of the wood was 59.6% (C.V. 5% of total dry biomass, while primary branches, bark, foliage, and secondary branches represented 16.6, 9.4, 7.9, and 6.5, respectively. Larger concentrations of macronutrients were Ca (2.01% found in the bark, and N in the foliage (1.98%. As for micronutrients, larger concentrations were found in the bark, in the order of Fe (767 mg.kg-1, Mn (60 mg.kg-1 and Zn (50 mg.kg-1. At 18 years of age accumulation of macronutrients was 15.9 kg. tree-1 (7.3 kg Ca, 3.9 kg N, 2.6 kg K, 1.0 kg Mg, 0.7 kg P and 0.4 kg S and 124 g of micronutrients (89 g Fe, 18 g Zn, 9 g B, 5 g Mn and 3 g Cu.

  7. Linking National Parks with its Gateway Communities for Tourism Development in Central America: Nindiri, Nicaragua, Bagazit, Costa Rica and Portobelo, Panama

    Directory of Open Access Journals (Sweden)

    Aguirre G., J. A.

    2006-01-01

    Full Text Available Protected areas and national parks are becoming one of the most important forms of land use in Central America. All the projections made by the World Tourism Organization seems to agree that by 2010 Central America, maybe receiving between eight and ten millions tourists, a figure that is almost twice what the region is receiving today. A study was conducted base on 369 direct field surveys conducted in three Central American communities: Bagazit gateway community to Palo Verde National Park, Costa Rica, Nindiri, gateway community to Volcan Masaya National Park, Nicaragua and Portobelo, gateway community to Por-tobelo National Park, Panama. The study found that relative to the socio-demographic variables, that there were no significance differences at the 95% probability level in all four variables, age, sex, education and monthly income of the family. Educational level seems to be the socio-demographic variables affecting more the state of relations. The perception variable being has taken into account in the decision that affects the communities and responsibility to help with community problems are present in two of the three models. The perception variables related to tourism, feel trained to take care of the tourist and existence of businesses that can caters to tourist seem to be key elements in the community perception about the state of relation. Tourism related economic activities and community participation in park decisions are today and will be in the future essential elements in the shaping of community/park relations in Central America as tourism becomes a major economic sector in the region economy.

  8. Genetic polymorphism and forensic parameters of nine short tandem repeat loci in Ngöbé and Emberá Amerindians of Panama.

    Science.gov (United States)

    Castro, Edgardo A; Trejos, Diomedes E; Berovides-Alvarez, Vicente; Arias, Tomás D; Ramos, Carlos W

    2007-10-01

    Nine STR loci (CSF1PO, TPOX, TH01, F13A01, FESFPS, VWA, D16S539, D7S820, and D13S317) were analyzed in unrelated Ngöbé and Emberá Amerindians of Panama. The chi-square test demonstrated statistically significant differences (P linguistic stock [Chibchan (Ngöbé) and Chocoan (Emberá)], both retain strong similarities in their allele-frequency distributions. Three loci (TPOX, VWA, and F13A01) in the Ngöbé and two loci (TH01 and TPOX) in the Emberá departed from Hardy-Weinberg equilibrium. The analysis of the STR markers demonstrates that, despite their low levels of genetic polymorphisms, most of them could be informative for forensic purposes, showing a combined power of discrimination of 0.9999 for both Amerindian populations. However, powers of exclusion in the Ngöbé were very low, particularly at the TH01 (0.04) and FESFPS (0.08) loci. The combined powers of exclusion were 0.9338 and 0.9890 for the Ngöbé and the Emberá, respectively. Furthermore, the combined typical paternity index in the Ngöbé was considerably low (2.58), and in the Emberá it was 40.44, which is also very low. The low genetic polymorphism levels suggest that theuse of additional loci supplementing the battery of the nine loci is recommended for paternity and forensic tests in both populations, particularly for the Ngöbé.

  9. The importance of wood nutrient storage in tropical forest nitrogen and phosphorus cycles: Insights from a sapling defoliation experiment in Panama

    Science.gov (United States)

    Heineman, K.; Dalling, J. W.

    2015-12-01

    The availability of soil nutrients limits productivity and influences tree species distribution in tropical forests. Given the scarcity of soil resources, trees in tropical forests should be under selection to store nutrients for periods when nutrient demand exceeds supply. However, little is known about the capacity of trees to remobilize nutrients from long-lived woody biomass in tropical forests, despite wood sequestering a large proportion of bioavailable nutrients in tropical ecosystems. We evaluated nitrogen (N) and phosphorus (P) remobilization from woody biomass via experimental defoliation of saplings from four widely distributed genera of tropical trees in Panama. Focal saplings were sampled in high and low fertility habitats in both montane and lowland forests to maximize contrast in the availability and identity of limiting nutrients. N and P concentrations of stem wood were measured before defoliation and after subsequent re-foliation response to calculate wood remobilization efficiency. Initial wood P concentrations differed significantly within taxa between low and high fertility habitats, whereas initial wood N differed significantly within taxa between lowland and montane forests, but not among soil fertility habitats. In three of four genera studied, wood P concentrations declined after refoliation at both elevations, and the proportion of wood P remobilized was greater on low fertility compared to high fertility sites. In contrast, significant N remobilization was restricted to the low fertility montane site, where nitrogen is most likely to limit plant growth. These findings provide evidence that a significant fraction of N and P in woody biomass is can be remobilized in response to asymmetry in nutrient supply and demand, as opposed consisting primarily of recalcitrant structural material. Furthermore, variation in remobilization responses of species to defoliation provides additional evidence that multiple nutrient-limitation in tropical

  10. El caso de la hacienda ‘El Novillero’ o ‘La Dehesa de Bogotá’ de 1834. El tránsito del derecho colonial al derecho republicano

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    Gonzalo Andrés Ramírez Cleves

    2014-07-01

    Full Text Available El artículo analiza la ley de 10 de julio de 1824 que extingue “los mayorazgos, vinculaciones y sustituciones existentes al tiempo de promulgación”, ley implementada en el caso del mayorazgo de la Hacienda ‘El Novillero’ o ‘La Dehesa de Bogotá’. En este caso, fallado por un Tribunal de Árbitros en mayo de 1834, se comprueba el tránsito de las prácticas y formas jurídicas coloniales a las republicanas con la mixtura de leyes, precedentes judiciales y dogmática jurídica coloniales y republicanas. Del mismo modo, el estudio del caso evidencia las argumentaciones jurídicas utilizadas por los abogados de las partes, Vicente Azuero y Ramón Ortiz, como referencias a diccionarios jurídicos, a las Leyes de Toro de 1505 o a los textos de Jeremías Bentham, al igual que el uso de principios jurídicos como la vigencia de la ley en el tiempo o el tratamiento de las sucesiones con relación a las mujeres y la eliminación del derecho de agnación por la libre voluntad de los mayorazguistas. Finalmente el artículo constata la necesidad que se tiene en la República de proscribir las antiguas formas de propiedad de carácter estamental y dar lugar al libre comercio y enajenación de tierras para su mayor aprovechamiento y producción económica.

  11. El caso de la hacienda ‘El Novillero’ o ‘La Dehesa de Bogotá’ de 1834. El tránsito del derecho colonial al derecho republicano

    Directory of Open Access Journals (Sweden)

    Gonzalo Andrés Ramírez Cleves

    2014-06-01

    Full Text Available El artículo analiza la ley de 10 de julio de 1824 que extingue “los mayorazgos, vinculaciones y sustituciones existentes al tiempo de promulgación”, ley implementada en el caso del mayorazgo de la Hacienda ‘El Novillero’ o ‘La Dehesa de Bogotá’. En este caso, fallado por un Tribunal de Árbitros en mayo de 1834, se comprueba el tránsito de las prácticas y formas jurídicas coloniales a las republicanas con la mixtura de leyes, precedentes judiciales y dogmática jurídica coloniales y republicanas. Del mismo modo, el estudio del caso evidencia las argumentaciones jurídicas utilizadas por los abogados de las partes, Vicente Azuero y Ramón Ortiz, como referencias a diccionarios jurídicos, a las Leyes de Toro de 1505 o a los textos de Jeremías Bentham, al igual que el uso de principios jurídicos como la vigencia de la ley en el tiempo o el tratamiento de las sucesiones con relación a las mujeres y la eliminación del derecho de agnación por la libre voluntad de los mayorazguistas. Finalmente el artículo constata la necesidad que se tiene en la República de proscribir las antiguas formas de propiedad de carácter estamental y dar lugar al libre comercio y enajenación de tierras para su mayor aprovechamiento y producción económica.

  12. Três espécies novas de Lestrimelitta Friese (Hymenoptera, Apidae da Costa Rica, Panamá e Guiana Francesa Three new species of Lestrimelitta Friese (Hymenoptera, Apidae from Costa Rica, Panama and French Guiana

    Directory of Open Access Journals (Sweden)

    Favízia Freitas de Oliveira

    2005-03-01

    Full Text Available Três espécies novas de abelhas do gênero Lestrimelitta são descritas: L. danuncia sp. nov. (da Costa Rica e Panamá, L. mourei sp. nov. (da Costa Rica e L. glaberrima sp. nov. (da Guiana Francesa. Todas essas espécies foram identificadas anteriormente como Lestrimelitta limao Smith.Three new species of bees of the genus Lestrimelitta are described: L. danuncia sp. nov. (from Costa Rica and Panama, L. mourei sp. nov. (from Costa Rica and L. glaberrima sp. nov. (from French Guiana. All of these new species were previously identified as Lestrimelitta limao Smith.

  13. Algunas aclaraciones acerca del conocimiento del singular.

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    Carlos Llano Cifuentes

    2013-11-01

    Full Text Available Llano tries to explain the main purpose of El Conocimiento del Singular, showing how the individuals about which the book is concerned are basically human individuals: people as decision makers.

  14. Hallazgos de anticuerpos contra Leptospira sp., serovariedades Panama, Lai, Australis, Shermani y Patoc, en un grupo de monos rhesus (Macaca mulatta en condiciones de cautiverio Antibodies findings against Leptospira sp., of the serovars Panama, Lai, Australis, Shermani, and Patoc, in a group of rhesus monkeys (Macaca mulatta in conditions of captivity

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    A Ibáñez-Contreras

    2010-01-01

    Full Text Available La leptospirosis ha emergido como una importante enfermedad infecciosa, lo que ha ocurrido en diferentes entornos desde urbanos hasta medios naturales; los portadores son animales salvajes o domésticos. El objetivo fue evaluar la presencia de anticuerpos contra Leptospira en monos rhesus en condiciones de bioterio. Se utilizaron 59 monos de diferentes etapas fisiológicas. Se determinaron anticuerpos contra Leptospira a partir de la prueba de aglutinación microscópica (TAM, utilizando como antígenos 25 serovariedades de Leptospira. Se observó que de los 59 animales, únicamente el 30,50% reaccionaron contra una o más serovariedades de Leptospira. En este trabajo se determinaron anticuerpos contra cuatro serovariedades de Leptospira: Panama, Lai, Australis y Shermani, consideradas como patógenas, y once de las muestras reaccionaron contra la serovariedad Patoc, considerada no patógena y saprófita. Ninguno de los animales que resultaron positivos contra Leptospira presentó signos clínicos compatibles con leptospirosis.During the last decade leptospirosis has emerged as a worldwide and very important infectious disease, affecting different environments from urban to rural, with carriers usually being wild or domestic animals. The objective of this study was to evaluate the presence of antibodies against Leptospira in rhesus monkeys (Macaca mulatta in a Research Center. Fifty nine non-human primates of different physiological stages were studied. The animals were held in groups and in individual cages. Blood samples were obtained from the saphenous vein to determine the presence of antibodies through the microscopic agglutination test (MA, using twenty five serovars of Leptospira as antigens. It was observed that 18 out of the 59 monkeys (30.50% reacted against one or more serovars of Leptospira. In this study, antibodies of 4 serovars of Leptospira, (Panama, Lai, Australis, and Shermani were detected. All 4 serovars were considered

  15. Impacto del manejo del ecosistema del pastizal en la fertilidad natural y sostenibilidad del suelo

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    A. Senra

    2009-01-01

    Full Text Available Sobre la base de resultados, principalmente de Cuba, el objetivo del presente trabajo fue estudiar el impacto del manejo del ecosistema del pastizal, en condiciones del trópico estacional -en sistemas de explotación bovina- para conocer sus efectos en la sostenibilidad y eficiencia del pastizal y el suelo. Se discute el efecto del manejo del pastizal en la compactación, y el escurrimiento e infiltración del agua, así como la erosión pluvial de los suelos. Se señalan los impactos positivos de la inclusión de los árboles multipropósito en los pastizales y sus efectos en disminuir las radiaciones solares y evaporación en el suelo, así como suavizar el ambiente. Se indican índices fundamentales para el control sistemático de la sostenibilidad y eficiencia en los sistemas de explotación bovina con base de pastos; se enfatiza el papel decisivo del hombre en garantizar adecuadas tecnologías de manejo y su ajuste a las condiciones de explotación. Se llega a conclusiones y recomendaciones que podrán ayudar a la recuperación, sostenibilidad y eficiencia de la ganadería en nuestras condiciones.

  16. Facies del subfondo del canal Beagle, Tierra del Fuego

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    Gustavo Bujalesky

    2004-03-01

    Full Text Available El canal Beagle conecta los océanos Pacífico y Atlántico en el extremo meridional de Sudamérica y se ubica en el ambiente subantártico. Conforma una cuenca de unos 300 m de profundidad máxima y está separada del océano Atlántico por un umbral de 30 m de profundidad. El canal es un valle tectónico que fue completamente cubierto por el hielo glacial durante la última glaciación. Posteriormente, el canal fue ocupado por un lago glacial desde los 12.000 a los 8.000 años A.P., cuando fue invadido por el mar que alcanzó un nivel máximo entre los 6.000 y 5.000 años A.P. Con el objetivo de analizar las facies sedimentarias superficiales y del subfondo del canal se realizó un relevamiento geofísico con sonar de barrido lateral y un perfilador de 3,5 kHz. Sobre un basamento constituido por rocas metamórficas del Mesozoico, se identificaron depósitos de till y secuencias granodecrecientes que representan distintos estadios del retroceso glaciar, evidenciando hacia la sección superior facies lacustres y por encima depósitos de la transgresión marina del Holoceno. Además, se han identificado paleocauces y secuencias fluviales cubiertas por sedimentos marinos transgresivos.

  17. Las vitrinas del museo

    OpenAIRE

    2010-01-01

    Tanto las obras de arte como los animales nos ocultan información cuando se reúnen en un museo, pues quedan al margen del contexto espacial y temporal del que proceden. No obstante, el ojo avezado sabrá interpretar una parte de esa historia perdida. Del mismo modo, algunas especies vivas traslocadas conservan rasgos que nos ayudan a inferir las condiciones ambientales de su lugar de origen.

  18. Psicodrama del duelo.

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    José Antonio Espina Barrio

    1997-01-01

    Full Text Available La pérdida de rituales agrava y alarga la reacción del duelo. Se define el Psicodrama Antropológico y su intervención en el proceso del duelo. El Psicodrama Focal del Duelo es una psicoterapia breve centrada en el proceso de Duelo. Se comentan varios casos y resultados. Se concluye con un programa sencillo para el duelo en Atención Primaria.

  19. Psicodrama del duelo.

    OpenAIRE

    José Antonio Espina Barrio; Marisol Filgueira Bouza

    1997-01-01

    La pérdida de rituales agrava y alarga la reacción del duelo. Se define el Psicodrama Antropológico y su intervención en el proceso del duelo. El Psicodrama Focal del Duelo es una psicoterapia breve centrada en el proceso de Duelo. Se comentan varios casos y resultados. Se concluye con un programa sencillo para el duelo en Atención Primaria.

  20. Fractura triple del complejo suspensorio del hombro

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    Eraclio Delgado Rifá

    2015-06-01

    Full Text Available El complejo suspensorio del hombro es una estructura sumamente importante, compuesta por un anillo de huesos y tejidos blandos. Las lesiones aisladas de este complejo anatómico son frecuentes y no afectan su estabilidad. La interrupción doble conduce a la inestabilidad de esta estructura y usualmente requiere tratamiento quirúrgico. La triple interrupción, por su parte, es sumamente rara y es encontrada en casos de trauma de alta energía a menudo en asociación con otras lesiones. Se presenta una triple lesión del complejo suspensorio del hombro en un paciente de 46 años de edad, con una fractura de la glenoides, del acromion tipo III de Kuhn y de la coracoides tipo II de Ogawa. En este caso, la fractura del acromion fue tratada con fijación percutánea con alambres de Kirschner, por tener asociado lesiones de partes blandas que contraindicaron la reducción abierta. La fractura de la glenoides y de la apófisis coracoides fueron tratadas conservadoramente. Después de 6 meses de evolución, el paciente tuvo un resultado funcional aceptable, con una abducción de 90 grados, los 30 grados de rotación externa y 70 de rotación interna, además asintomático y consolidación de todas las fracturas. A pesar de ser catalogada de una lesión grave del cinturón escapular y estar asociada a otras lesiones se obtuvo un resultado satisfactorio al final del tratamiento.

  1. La unidualidad del hombre

    OpenAIRE

    Morin, Edgar

    1997-01-01

    Este art??culo acomete la cuesti??n de la definici??n y unidad del g??nero humano. Tras poner de manifiesto la doble conciencia de la que depende la noci??n de hombre, se ocupa de la afirmaci??n humanista de la unidad del hombre, mostrando los reversos de esta afirmaci??n (separaci??n del hombre de la naturaleza e ignorancia de la unidad biol??gica de la especie homo), as?? como de las distintas envestidas contra el humanismo cuestionadoras de la unidad del hombre lanzadas durante el siglo XX...

  2. Concepto del Derecho Mercantil

    OpenAIRE

    Morelli C., Francisco

    2014-01-01

    No existe nada más difícil en el campo del Derecho Mercantil que pretender dar un concepto orgánico del mismo. La razón fundamental de esta imposibilidad  estriba precisamente en la falta de concordancia entre el derecho mercantil y el derecho de comercio. Una definición que considera el derecho mercantil como la parte del derecho privado encargada de regular las relaciones que se derivan del comercio, como lo hacen todas las definiciones clásicas,  pecaría de un doble defecto que la harían i...

  3. A Description of Biremis panamae sp. nov., a New Diatom Species from the Marine Littoral, with an Account of the Phylogenetic Position of Biremis D.G. Mann et E.J. Cox (Bacillariophyceae.

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    Andrzej Witkowski

    Full Text Available Here we present a formal description of Biremis panamae Barka, Witkowski et Weisenborn sp. nov., which was isolated from the marine littoral environment of the Pacific Ocean coast of Panama. The description is based on morphology (light and electron microscopy and the rbcL, psbC and SSU sequences of one clone of this species. The new species is included in Biremis due to its morphological features; i.e. two marginal rows of foramina, chambered striae, and girdle composed of numerous punctate copulae. The new species also possesses a striated valve face which is not seen in most known representatives of marine littoral Biremis species. In this study we also present the relationship of Biremis to other taxa using morphology, DNA sequence data and observations of auxosporulation. Our results based on these three sources point to an evolutionary relationship between Biremis, Neidium and Scoliopleura. The unusual silicified incunabular caps present in them are known otherwise only in Muelleria, which is probably related to the Neidiaceae and Scoliotropidaceae. We also discuss the relationship between Biremis and the recently described Labellicula and Olifantiella.

  4. Panama Canal Navigation Requirements for Ship’s Outfitting & Electric Design%巴拿马运河对通航船舶舾装和电气设计的要求

    Institute of Scientific and Technical Information of China (English)

    张波; 朱文婷; 邵梅峰

    2014-01-01

    This article introduced the requirements of Panama Canal ,including the dimension limitation ,mooring arrangement,boarding facilities,awning,signal light arrangement and navigation bridge arrangement of the navigable vessels. In addition ,the mooring requirement from the new lock ,together with the drawings and files which should provide to Panama Canal Authority for approval,were also introduced,which could serve as reference for the outfitting&electric design of the navigable ship.%介绍了巴拿马运河对于通航船舶尺寸限制、系泊设备布置、登乘装置、引水员天幕、声光信号布置和驾驶室布置的要求,以及新航道对于系泊设备的布置新要求。另外,还介绍了需送审巴拿马当局的图纸情况,供通航巴拿马运河的船舶舾装和电气设计借鉴。

  5. Wild Bulls, Discarded Foreigners, and Brash Champions: US Empire and the Cultural Constructions of Argentine Boxers Toros salvajes, extranjeros descartados y campeones insolentes: Estados Unidos y la construcción cultural de los boxeadores argentinos

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    David Shenin

    2008-09-01

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    Con excepción de las películas de Hollywood, no ha habido un punto de contacto cultural entre Argentina y Estados Unidos más intenso que el boxeo. El artículo considera dos temas entrelazados. El primero es la construcción del imaginario sobre los boxeadores argentinos en Estados Unidos y la variedad de las experiencias inmigratorias de esos púgiles. En segundo lugar, este artículo sostiene que la presencia de boxeadores argentinos en Estados Unidos forjó la sensación en Argentina de que éstos eran protagonistas en la escena pugilística norteamericana. Esto, a su vez, dio forma a la cultura del boxeo argentino y a la imagen que éste se hacía de sí mismo.

  6. LA POLITICA SOCIAL DEL "GOBIERNO DEL CAMBIO"

    Directory of Open Access Journals (Sweden)

    Laura Mota Díaz

    2002-01-01

    Full Text Available El artículo se centra en la política social del actual sexenio foxista , la cual se ha definido como incluyente y equitativa dentro del marco de un gobierno autodenominado del cambio, no sólo por lo que se refiere a la alternancia política del poder, sino porque además pretende ser un gobierno con una visión más amplia del desarrollo. Todo ello se traduce en “nuevas” estrategias para alcanzar la democracia, la equidad, la justicia social y el bienestar general de la población. El objetivo es analizar las posibilidades y limitaciones de un verdadero cambio que contribuya a mejorar la calidad de vida de la población en su sentido más amplio, pues los retos son cada vez mayores dado el incremento en los niveles de pobreza, el creciente desempleo y la constante violación a los derechos humanos.

  7. Impact of elevated N input on soil N cycling and losses in old-growth lowland and montane forests in Panama.

    Science.gov (United States)

    Corre, Marife D; Veldkamp, Edzo; Arnold, Julia; Wright, S Joseph

    2010-06-01

    Nitrogen deposition is projected to increase rapidly in tropical ecosystems, but changes in soil-N-cycling processes in tropical ecosystems under elevated N input are less well understood. We used N-addition experiments to achieve N-enriched conditions in mixed-species, lowland and montane forests in Panama. Our objectives were to (1) assess changes in soil mineral N production (gross rates of N mineralization and nitrification) and retention (microbial immobilization and rapid reactions to organic N) during 1- and 9-yr N additions in the lowland forest and during 1-yr N addition in the montane forest and (2) relate these changes to N leaching and N-oxide emissions. In the old-growth lowland forest located on an Inceptisol, with high base saturation and net primary production not limited by N, there was no immediate effect of first-year N addition on gross rates of mineral-N production and N-oxide emissions. Changes in soil-N processes were only apparent in chronic (9 yr) N-addition plots: gross N mineralization and nitrification rates, NO3- leaching, and N-oxide emissions increased, while microbial biomass and NH4+ immobilization rates decreased compared to the control. Increased mineral-N production under chronic N addition was paralleled by increased substrate quality (e.g., reduced C:N ratios of litterfall), while the decrease in microbial biomass was possibly due to an increase in soil acidity. An increase in N losses was reflected in the increase in 15N signatures of litterfall under chronic N addition. In contrast, the old-growth montane forest located on an Andisol, with low base saturation and aboveground net primary production limited by N, reacted to first-year N addition with increases in gross rates of mineral-N production, microbial biomass, NO3- leaching, and N-oxide emissions compared to the control. The increased N-oxide emissions were attributed to increased nitrification activity in the organic layer, and the high NO3- availability combined with

  8. Microevolution in lower Central America: genetic characterization of the Chibcha-speaking groups of Costa Rica and Panama, and a consensus taxonomy based on genetic and linguistic affinity.

    Science.gov (United States)

    Barrantes, R; Smouse, P E; Mohrenweiser, H W; Gershowitz, H; Azofeifa, J; Arias, T D; Neel, J V

    1990-01-01

    There is evidence that Amerindians have continuously occupied the lower Central American Isthmus for as long as 10,000 years. There remains some doubt about the relationships of these original colonizers to the resident peoples of this zone at the time of European contact (approximately A.D. 1500). We present new genetic data for up to 48 genetic loci for 570 members of six Chibcha-speaking tribes of lower Central America--the Boruca, Bribri, Cabecar, and Guatuso of Costa Rica and the Kuna and Teribe of Panama--and delineate the genetic affinities among the various groups (these six tribes and the Guaymi and Bokota) of lower Central America. We convert standard genetic distance metrics into a form that is linear with the effective time since divergence, and we compare the genetic distances with linguistic distances for the same groups (r = .74, P less than .001). Geographic affinity accounts for some of the genetic divergence among groups (r = .49, P less than .084) and for some of the linguistic divergence (r = .53, P less than .037), but the correspondence between geographic position and taxonomic affinity is not high. We combine all of the genetic and linguistic data to construct a synthetic overview taxonomy of the lower Central American Chibcha. Both the genetic and linguistic data exhibit hierarchical organization of tribal groups, showing a general east-to-west pattern of grouping, with greater affinities between close neighbors. The presence of private genetic variants of some antiquity within the region and their absence outside the zone, coupled with the essential absence of the DI*A polymorphism of mongoloid origin that is widespread outside the zone, argue for a relatively isolated development of the Central American Chibcha. Our results do not support the old view of lower Central America as a frontier between more advanced cultures to the north and south. Any such explanation would require recent waves of migration from outside the region, migration

  9. Oportuna compilación

    Directory of Open Access Journals (Sweden)

    Darío Fajardo Montaña

    1986-01-01

    Full Text Available El problema social agrario en Colombia. El pensamiento liberal en la solución del problema agrario. Hernán Toro Agudelo. Ediciones Tercer Mundo, Bogotá, 1984. 435 págs. Orión Agudelo Toro , compilador. Prólogo de Gerardo Molina.

  10. La luz del origen del universo

    Directory of Open Access Journals (Sweden)

    Casas, Alberto

    2015-10-01

    Full Text Available Penzias and Wilson discovered the cosmic microwave background, a luminous echo of the Big Bang, in 1965. The amount of information encoded in this relic of the early universe is truly extraordinary. At present, the most precise data about the origin and structure of the universe comes from the study of this primordial light, the full potential of which has yet to be explored.En 1965 se descubrió el fondo de radiación de microondas, un eco luminoso de la Gran Explosión (Big Bang. La cantidad de información contenida en esta reliquia del universo primitivo es verdaderamente extraordinaria. En la actualidad los datos más precisos sobre el origen y estructura del universo provienen del estudio de esta luz primigenia, que aún no ha sido explorada en todo su potencial.

  11. Il dono del racconto

    DEFF Research Database (Denmark)

    Polito, Paola

    1998-01-01

    'importanza assunta nel romanzo dal piano dell'enunciazione come luogo privilegiato di manifestazione del soggetto quale esperiente una vicenda di maturazione. Il protagonista, qui, non solo si rappresenta in ciò che enuncia e riferisce, ma anche e soprattutto si svela nelle modalità specifiche del proprio discorso...

  12. Archivo del Duelo

    OpenAIRE

    Ferrera, Tamara

    2010-01-01

    Photos taken from the Archive of Mourning following the March 11 terrorist attacks El Archivo del Duelo. Creaci?n de un archivo etnogr?fico de los Atentados del 11 de marzo en Madrid. Ministerio de Educaci?n y Ciencia HUM2005-03490.

  13. del desarrollo sustentable

    Directory of Open Access Journals (Sweden)

    Ricardo Goñi

    2006-01-01

    Full Text Available Se sintetiza una concepción del desarrollo sustentable elaborada por los autores de este trabajo desde una perspectiva multidimensional (social, económica y ambiental, fundamentalmente signada por una impronta político-social y una visión crítica del "sustentabilismo" ecologista hegemónico.

  14. Usos alternativos del chocho.

    OpenAIRE

    Villacrés, Elena; Rubio, Armando; Egas, Luis; Segovia, Gabriela

    2006-01-01

    La valorización del chocho exige conocer tecnologías de transformación, técnicas para aumentar la vida útil, minimizar los riesgos y mejorar las propiedades nutritivas, funcionales y sensoriales, con el objeto de diversificar e incrementar la utilización y el consumo del grano…

  15. Il corpo del mostro: retoriche del neofantastico

    Directory of Open Access Journals (Sweden)

    Simona Micali

    2014-06-01

    Full Text Available Attraverso l’analisi di alcuni testi di Julio Cortázar e Tommaso Landolfi, l’articolo illustra alcune delle strategie retoriche attraverso le quali il fantastico del Novecento affronta la rappresentazione propriamente fisica del 'corpo mostruoso', e in particolare di quello femminile, portatore di un’alterità tanto più inconcepibile e inaccettabile quanto più si impone con la propria evidenza corporea nell’orizzonte di realtà in cui il testo è collocato.

  16. Elementos del sistema electoral del Congreso Mexicano

    OpenAIRE

    Aldo Medina García; Irina Cervantes Bravo

    2013-01-01

    El presente artículo es un estudio de los componentes del sistema electoral, diseñado por el legislador mexicano para integrar al parlamento federal. Estudio desarrollado a sabiendas de la importancia que reviste el sistema electoral como un medio que permite a los ciudadanos convertir su voto expresado en las urnas en escaños a favor de determinado candidato o partido. En dicho análisis tomamos en cuenta la evolución constitucional del sistema electoral mexicano, la participación de las fuer...

  17. Seroprevalencia de leptospirosis y características asociadas en agricultores de arroz de una región tropical del Perú

    Directory of Open Access Journals (Sweden)

    Jorge O Alarcón-Villaverde

    Full Text Available Objetivos . Estimar la seroprevalencia de leptospirosis en agricultores dedicados al cultivo de arroz del valle del Alto Mayo, región San Martín e identificar anticuerpos para los serovares circulantes y los factores asociados a la infección. Materiales y métodos. Se realizó un estudio transversal entre octubre y noviembre de 2010 en una muestra de 254 agricultores procedentes de las once comisiones de regantes del valle de Alto Mayo. Se recolectó una muestra de sangre y se aplicó un cuestionario que incluyó variables sociodemográficas, y características del hogar y del trabajo. Se determinó la presencia de anticuerpos contra leptospira usando la prueba de microaglutinación y ELISA IgM. Resultados. La seroprevalencia determinada por microaglutinación fue del 64,6% (IC 95%: 58,6-70,6. La prueba ELISA IgM fue reactiva en 15,0% (IC 95%: 10,5-19,5. Los tipos de serovar más frecuentes fueron Icterohaemorrhagiae, Autumnalis, Australis , Panama y Grippotyphosa. Los factores asociados independientemente fueron la manipulación de roedores (OR ajustado [ORa] de 7,9, IC 95%: 1,6-37,9, trabajar descalzo (ORa de 2,9, IC 95%: 1,2-6,8 y el sexo masculino (ORa de 4,5, IC 95%: 1,3-15,3. Conclusiones . El valle del Alto Mayo es un área hiperendémica de leptospirosis. Los factores asociados más importantes fueron la práctica de trabajar descalzo y la de manipular roedores en los campos de cultivo. En consecuencia, se recomienda implementar intervenciones que incidan en estos dos factores a fin de reducir el riesgo de infección en los cultivadores de arroz.

  18. Desarrollo del lenguaje

    Directory of Open Access Journals (Sweden)

    Silva Villena Omer

    2004-06-01

    Full Text Available

    E. Owens Robert (2003. Desarrollo del lenguaje. Madrid: Pearson Education, S.A. , 2003, (463 páginas. Estamos ante un texto destinado a entender el dominio o ámbito de la "psicolingüística del desarrollo" en el que terapeutas del lenguaje, psicólogos, profesores y lingüistas encontrarán información actualizada y amplia en lo que respecta a los avances que este campo ha experimentado en las dos últimas décadas. Tanto en las cinco ediciones en lengua inglesa desde 1998 a esta esperada edición en español, el propósito del autor es entregar una visión profunda de los procesos de adquisición y desarrollo del lenguaje.

  19. La crisi del diritto del lavoro

    Directory of Open Access Journals (Sweden)

    Alessandro Garilli

    2012-01-01

    Full Text Available Riassunto - L’Autore ripercorre in chiave critica l’evoluzione delle politiche legislative in materia di lavoro, alla luce dell’attuale fase di crisi economico finanziaria. Nell’esaminare i principali interventi normativi attuati da inizio secolo, l’Autore mette in evidenza le scelte di metodo e gli elementi di continuità che accomunano i vari provvedimenti, individuandoli nell’affannosa ricerca del punto di equilibrio tra flessibilità e garantismo. La riflessione si chiude con alcuni interrogativi sulle ultime linee di riforma del mercato del lavoro e con l’auspicio che, anche al cospetto delle imprescindibili ragioni dell’economia, il diritto del lavoro possa continuare a svolgere il proprio tradizionale ruolo di disciplina di tutela della persona.   Abstract - The author analyzes, with a critically oriented approach, the development of the employment law, in the light of the current economic and financial crisis. In examining the main regulatory measures implemented since the beginning of the century, the author highlights the methodological choices and the elements of continuity that unite the various measures, focusing them in a hard research of a point of balance between flexibility and security. The discussion concludes with some questions about the last lines of the reform of the labor market and with the hope that, even in the face of compelling reasons of economy, labor law can continue to play its traditional role of governing the protection of person.

  20. OBJETIVO DEL DESARROLLO DEL MILENIO 7

    Directory of Open Access Journals (Sweden)

    Margarita M. Pérez O.

    2013-10-01

    Full Text Available Los Objetivos de Desarrollo del Milenio, también conocidos como los Objetivos del Milenio, constituyeron las metas finales que aprobaron los dirigentes mundiales, 189 jefes de estado y de gobierno en la Cumbre del Milenio de las Naciones Unidas celebrada en Nueva York en el año 2000, en la cual los Estados miembros de la organización reafirmaron su compromiso de luchar por un mundo en el que el desarrollo sostenible y la eliminación de la pobreza tuvieran máxima prioridad1 . En la cumbre se definió la Declaración del Milenio, la cual detalla los objetivos, principios, valores, metas y acciones para erradicar la pobreza Mundial hacia el año 2015, todos ellos ratificados con alto interés y acción estratégica de carácter global, como marco para la medición de los progresos en materia de desarrollo.