Olayemi et al., 2012; Reisser et al., 2012). Since the head contains the brain, major sensory organs ..... The efficacy of the vaginal plug formation after mating for pregnancy diagnosis and embryonic resorption in utero in the greater cane rat (Thryonomys swinderianus Temminck). J. Trop. Anim. Health Pro., 32: 1-10 Kluwer.
Mar 31, 2015 ... Objective: Ticks play a significant role in the transmission of pathogenic agents to animals. In Côte d'Ivoire, ..... dog, grasscutter constitute the new host for adults of this tick species in ... among West African rodent, Thryonomys.
Organochlorine pesticide residues have been determined in the muscle, liver and kidney tissues from a total of 45 grasscutter (Thryonomys swinderianus) meat samples obtained from the Gomoa district, a vegetable farming area in the Central Region of Ghana. All samples were analyzed for their residue content of the following organochlorine pesticides; DDT, DDE, hexachlorocyclohexane isomers, lindane (γ-HCH) and δ-HCH, dieldrin, aldrin, endrin, endrin aldehyde, endrin ketone, alpha endosulfan, endosulfan sulfate, chlordane, heptachlor and methoxychlor. The results indicated that all the analyzed samples were contaminated with the studied organochlorine pesticides. Aldrin and heptachlor were the principal contaminants in all the samples. The muscle had the highest pollutant load. All organochlorine pesticides investigated were detected in the muscle tissues of the grasscutter at the following mean concentrations; aldrin 1.833μg /kg, heptachlor 0.695μg /kg, γ-HCH 0.283μg /kg, δ-HCH 0.108μg /kg, dieldrin 0.040 μg /kg, p,p'-DDT 0.019μg /kg. p,p'-DDE 0.014μg /kg, endrin 0.018μg /kg, endrin aldehyde 0.090μg /kg, endrin ketone 0.340μg /kg, α-endosulfan 0.162μg /kg, endosulfan sulfate 0.183μg /kg, gamma-chlordane 0.174μg /kg and methoxychlor 0.101μg /kg wet weight. The organochlorine pesticide residues were detected in the liver tissues at the following mean concentrations; aldrin 1.315μg /kg, heptachlor 0.530μg /kg, dieldrin 0.050μg /kg, γ-HCH 0.233μg /kg, δ-HCH 0.070μg /kg, p,p'-DDT 0.123μg /kg. p,p'-DDE 0.043μg /kg endrin aldehyde 0.110μg /kg, endrin ketone 0.115μg /kg, gamma-chlordane 0.093μg /kg and methoxychlor 0.128μg /kg wet weight. No endrin was however detected in the liver. The highest concentrations of γ-HCH, δ-HCH, endrin ketone and endrin aldehyde were measured in the kidney. The mean concentrations of γ-HCH and δ-HCH in the kidney were 0.435μg /kg and 0.107μg /kg respectively. Endrin aldehyde was detected at 0.135μg /kg in
In South Africa, little is known about the reproduction of the cane rat ... Africa where organized cane rat husbandry has been success- ... Sex ratio data could also not be ..... possibility of stress amongst the pups by removing her too soon.
Full Text Available Introduction: Sexual dimorphisms in biological structures such as brain and behaviour have been widely recognized in animals and humans. The purpose of this study was to examine whether there are sex differences in the size of the cerebellum with other body traits, such as the head, tail and brain.Methods:Twelve grasscutters comprising of 6 males and 6 females were used in this study. Each brain was extracted from the skull by standard procedures and the mean values of the weights, dimensions and volumes of the brain, cerebellum, head and tail were compared in male and female using quantitative analytical statistical method.Results:The results showed that the absolute mean brain weight and volume obtained in the male was slightly higher than that of the female, while the cerebellar mean weight was slightly higher in the female; although these values were not statistically significant (P> 0.05. The mean cerebellar lengths and widths did not differ between the two sexes (> 0.05, but the mean cerebellar circumference in the male was statistically higher than in the female (P< 0.05. The female cerebellar length was positively correlated with the length of the brain, head, body and tail.Discussion:In conclusion, the brain weight was slightly higher in the male than female, while the cerebellar weight was higher in the female than male. The significantly higher value of the cerebellar circumference in the male may partly be responsible for the big round head seen in the live male grasscutter.
Grass cutter (Thryonomys swinderianus) is cherished by many people but, its conservation status is at risk hence, the quest for domestication. An investigation into the domestication process of this rodent in four farms in Oyo and Osun States was carried out. Sixty structured questionnaires were administered to fifteen ...
The essence of grasscutter domestication was mainly for protein supplementation and income generation, but the low adoption of existing grasscutter farming technology in Nigeria particularly among the unemployed and poor has generated much concern. This study was therefore carried out to evaluate the problems and ...
Saharan Africa. There are very limited ecological studies on the grasscutter despite its importance as a protein resource. The objective of this study was to apply novel microsatellite markers to determine the genetic structure and diversity of ...
Feb 27, 2013 ... but also in Ivory Coast and sixteen other countries in West and Central Africa Azéhoun-Pazou et al. 2004a ... sex. To our knowledge, on the evaluation of ano- genital distance, no publication is dedicated, to age ... This work.
Mustapha, OA. Vol 35, No 3 (2014) - Articles Morphometric Study of the Skull of the Greater Cane Rat (Thryonomys swinderianus, Temmnick) Abstract PDF · Vol 36, No 2 (2015) - Articles Anatomical Studies on the Spinal Cord of the Greater Cane Rat (Thryonomys swinderianus, Temminck) I: Gross Morphometry
Aug 31, 2011 ... E. coli and 0.31 mg/ml against S. aureus, S. sonei, P. pestis and Y. enterocolitica. The results provide an evidence for the traditional use of C. religiosa for the treatment of infective diseases of T. swinderianus. Temminck. Key words: Crataeva religiosa, Thryonomys swinderianus Temminck, ethnomedicine, ...
INTRODUCTION In the archives of the Rijksmuseum van Natuurlijke Historie in Leiden there is a map with three letters written by Alexander von Humboldt (17691859) to the first director of the Museum, Coenraad Jacob Temminck (1778-1858). The map, the hard cover of John Gould's "Synopsis of the birds
Mian Kouadio ETTIAN
Full Text Available This research aims to evaluate the physicochemical and energetic quantity of succulent and sweet taste forage grasses, Panicum maximum and Pennisetum purpureum (Poaceae incorporated in the feed of grasscutters growing (GG, fattening (FG and maintenance (MG. This study is set to determine the chemical and energetic composition of three levels of green fodder (50, 75 and 85% incorporated into the diets of grasscutters and compare it to nutrient intake and energy consumption of feed resources used normally in the ration by farmers. The three experimental diets were: 75% fodder and 25% of food complement (diet T25; 50% of fodder and 50% of food complement (diet T50; 85% of fodder and 15% of food complement (diet T15. The results showed that the green fodder used contains important sources of proteins, lipids, carbohydrates and minerals. Dry matter content of Panicum maximum (13.4 to 22.9% and Pennisetum purpureum (10.9 to 18.6% provide energy needs as calories needed of grasscutters. Food ingredients consisting of minerals and organic matter provide the energy potential in the form of calories for maintenance and production feed needs of grasscutters. A positive and highly significant effect (p<0.01 of the T15 was observed. These results suggest that the nutritional and energy values consumed can be used for grasscutters growing (GG, fattening (GF and maintenance (GM.The intake of energy and functional foods into a controlled diet stimulates the appetite of farmed animals. Panicum maximum and Pennisetum purpureum grasses that were used as a substitute for the main staple feed, and which are highly sought after in the natural environment by grasscutters, are recommended for grasscutter raising. Green forages with succulent sweet-tasting stems, incorporated into food rations as 15% of food supplements, are more stable and perform better in food rations for grasscutters. Active nutrients are balanced, varied, moderate and necessary for the proper functioning of the organism of grasscutters.
The zoological collections made in Japan by P. F. von Siebold and Dr. Burger between the years 1823 and 1830 are described by Siebold in his Fauna Japonica (1844). The title page announces the collaboration of C. J. Temminck and H. Schlegel for that part of the work devoted to the vertebrates, but
Het gewoonlijk als „Discours préliminaire" aangeduide artikel van Temminck heeft nimmer die aandacht van dierkundigen getrokken, die het, wegens zijn systematisch belang, verdient. Ten dele vindt dit stellig zijn oorzaak in de betrekkelijke zeldzaamheid van het werk, ten dele ook in het feit dat het
A new subspecies of Accipiter virgatus (Temminck) is described from Flores (Lesser Sunda Islands). In addition some notes are given on the distribution of A. virgatus in south-eastern Burma and adjacent parts of Thailand, supplementary to an earlier paper (Mees, 1981).
Groves, C.P.; Smeenk, C.
The type material of Cervus nippon Temminck, 1836, present in the Leiden museum, is re-examined ; a lectotype is chosen, and a new description of lectotype and paralectotypes is given. In an attempt to determine the exact type locality or localities, the type series is compared with published
The floor housing, open-cage and closed-cage housing systems for rearing grasscutters in captivity were respectively used to evaluate the performance of the grasscutter (Thryonomys swinderianus Temmnick, 1827) in the humid tropics of southern Nigeria. There was no significant difference (P>0.05) in the average initial ...
The greater cane rat, Thryonomys swinderianus, utilizes high fibrous plant material and is an important meat source in West Africa. An insight in its digestive physiology will enhance our understanding of its feeding habits. Digestibility coefficients of the food were determined during two seasons before the animals were ...
Aspects of the anatomy and histology of the alimentary canal of Thryonomys swinderianus were studied to gain a better understanding of this animal's ability to digest large quantities of fibre. Morphometric measurements of the gut regions were taken with the aid of light, transmission and scanning electron microscopy.
Blanco Gonzalez, Enrique; Aritaki, Masato; Knutsen, Halvor; Taniguchi, Nobuhiko
Large-scale hatchery releases are carried out for many marine fish species worldwide; nevertheless, the long-term effects of this practice on the genetic structure of natural populations remains unclear. The lack of knowledge is especially evident when independent stock enhancement programs are conducted simultaneously on the same species at different geographical locations, as occurs with red sea bream (Pagrus major, Temminck et Schlegel) in Japan. In this study, we examined the putative effects of intensive offspring releases on the genetic structure of red sea bream populations along the Japanese archipelago by genotyping 848 fish at fifteen microsatellite loci. Our results suggests weak but consistent patterns of genetic divergence (F(ST) = 0.002, p Red sea bream in Japan appeared spatially structured with several patches of distinct allelic composition, which corresponded to areas receiving an important influx of fish of hatchery origin, either released intentionally or from unintentional escapees from aquaculture operations. In addition to impacts upon local populations inhabiting semi-enclosed embayments, large-scale releases (either intentionally or from unintentional escapes) appeared also to have perturbed genetic structure in open areas. Hence, results of the present study suggest that independent large-scale marine stock enhancement programs conducted simultaneously on one species at different geographical locations may compromise native genetic structure and lead to patchy patterns in population genetic structure.
Full Text Available Habitat preference of the meridional serotine bat Eptesicus isabellinus (Temminck, 1840 in semiarid Mediterranean landscapes Several molecular studies have recently reported the presence of a second species of the genus Eptesicus in the Iberian peninsula, the meridional serotine bat, E. isabellinus. This species is present in the south of Iberia and it seems to have an allopatric distribution with its twin species, E. serotinus. Ecological studies are now needed to understand the biology of E. isabellinus in southeast Spain. In this study, we used presence–only data for E. isabellinus to perform an ecological niche factor analysis (ENFA and to create a habitat suitability map (HSM. Our results show that the species has a low marginality index, suggesting it is well adapted to the semiarid conditions of the study area. The main habitats used by E. isabellinus are water courses, scrublands, and zones with high primary productivity. The species avoids non–irrigated cropland and shows no preference for human settlements or irrigated cropland. This study provides information about the ecology of E. isabellinus in southeast Spain and allows us to discuss relevant aspects for its conservation.
João Aldair Menegheti
Full Text Available In the presente study on the mating of Nothura maculosa (Temminck, 1815 the tertiary and quaternary sex ratios were joined together The sex ratio was 1:1 or when deviated, favouring females When such deviations occur, they are probably due to quaternary sex ratio The inversion of sexual rôles could be responsible for the larger number of females, since males are more exposed to mortality risks The mating system in the Tinamidae is simultaneous poliginy for the male and sequential poliandry for the female, Emlen & Oring, 1977 Such complexity in the mating system results in a greater share among all individuals in the reproduction effort in relation to poliginy The sexual inativity of males for at least around 24 days after the begining of incubation, allows new males to participate in the reproductive effort The assumption that some of the females wuld be excluded from the reproductive effort when sex ratio is deviated in their favour, probably can not be held as true Bump & Bump, 1969, reported that 95% of the eggs examined (114 eggs, were fertile There are reasons to believe that neariy all females will successfully copulate under these circunstances
Full Text Available The study on food habits of the Spotted Owlet, Athene brama (Temminck, 1821 in Tropical Forest Research Institute campus, Jabalpur, Madhya Pradesh, India was conducted in June 2011 to May 2012 by analyzing their regurgitated pellets. The insect order Coleoptera with three dung beetle species, Onitis philemon, Onitis virens, Onitis brahma and two orders and five species of small mammals, Mus booduga, Vandeleuria oleracea, Millardia meltada, Suncus etruscus and Suncus murinus were recorded from the pellets. The other insect taxa found in the pellets include Carabidae and Hydrophilidae beetles and Earwigs in the order Dermaptera. This is for the first time food habits of the spotted owlets, being reported from the state of Madhya Pradesh, which further provides identifying key characters of the dung beetles along with illustrations, obtained from the pellet materials. The study on the feeding habits of the owlet species is very important not only for its significance in conservation but also for their predatory potential, as they are the main predators of insects and non insect pests (rodents of forestry and agricultural importance.
contrôle ou les mesures de traitement des maladies des aulacodes en captivité dont la prévalence bien que influencée par la saison, est la principale contrainte à l'amélioration du cheptel, à l'intensification de la production et aux pratiques de gestion. Bulletin of Animal Health and Production in Africa Vol. 54 (4) 2006: pp.
Veiga, José Pablo; Polo, Vicente; Carrascal, Luis M.; Salvador Milla, Alfredo
Aves - Orden Passeriformes - Familia Sturnidae en la Enciclopedia Virtual de Vertebrados Españoles, http://www.vertebradosibericos.org/. Versiones anteriores: 20-06-2003; 9-02-2007; 7-03-2008; 28-10-2011; 14-11-2011
de Oliveira, C A; Mahecha, G A
Cloacae of male Nothura maculosa (spotted tinamous) were dissected and studied with routine histological and histochemical techniques. In the cloaca of this species the following cranio-caudally oriented regions can be recognized: the coprodeum, the urodeum and the proctodeum, separated by the coprourodeal and the uroproctodeal folds respectively. The coprodeum is an abrupt dilatation of the rectum which receives the ureters, contrary to other birds in which they open into the urodeum. The urodeum is the smallest compartment of the cloaca. Its wall presents the paracloacal vascular bodies and the ductus deferens receptacles which open into the ejaculatory fossa through a pair of papillae. The ejaculatory fossa forms the ventral floor of the urodeum and is characterized by the presence of a secretory epithelium and a lamina propria showing rich vascularization. The proctodeum is connected to the exterior through the cloacal opening and ventrally it presents the phallic structures and the proctodeal lamella. Its dorsolateral wall forms the cloacal bursa, its mucosa shows morphological variations depending on the degree of regression. Enclosing the uroproctodeal wall are the cloacal sphincter muscle and the skin.
The whereabouts of the salamander types described by Temminck & Schlegel in the Fauna Japonica (1838) are discussed and lectotypes are selected from the syntypes for the following nominal species : Salamandra naevia Temminck & Schlegel, S. unguiculata Temminck & Schlegel, S. subcristata Temminck &
McNamara, J; Kusimi, J M; Rowcliffe, J M; Cowlishaw, G; Brenyah, A; Milner-Gulland, E J
Landscapes in many developing countries consist of a heterogeneous matrix of mixed agriculture and forest. Many of the generalist species in this matrix are increasingly traded in the bushmeat markets of West and Central Africa. However, to date there has been little quantification of how the spatial configuration of the landscape influences the urban bushmeat trade over time. As anthropogenic landscapes become the face of rural West Africa, understanding the dynamics of these systems has important implications for conservation and landscape management. The bushmeat production of an area is likely to be defined by landscape characteristics such as habitat disturbance, hunting pressure, level of protection, and distance to market. We explored (SSG, tense) the role of these four characteristics in the spatio-temporal dynamics of the commercial bushmeat trade around the city of Kumasi, Ghana, over 27 years (1978 to 2004). We used geographic information system methods to generate maps delineating the spatial characteristics of the landscapes. These data were combined with spatially explicit market data collected in the main fresh bushmeat market in Kumasi to explore the relationship between trade volume (measured in terms of number of carcasses) and landscape characteristics. Over time, rodents, specifically cane rats (Thryonomys swinderianus), became more abundant in the trade relative to ungulates and the catchment area of the bushmeat market expanded. Areas of intermediate disturbance supplied more bushmeat, but protected areas had no effect. Heavily hunted areas showed significant declines in bushmeat supply over time. Our results highlight the role that low intensity, heterogeneous agricultural landscapes can play in providing ecosystem services, such as bushmeat, and therefore the importance of incorporating bushmeat into ecosystem service mapping exercises. Our results also indicate that even where high bushmeat production is possible, current harvest levels may
Full Text Available Despite repeated references to the species in Paraguay, the status of the Dusky-legged Guan Penelope obscura in the country has been the subject of much debate. In an attempt to clarify the available data, a thorough review of literature records is provided and details of new and previously unpublished records that confirm that the nominate subspecies is present in Paraguay are given. With the species limits in the obscura complex poorly defined, we provide a brief discussion of the potential importance of Paraguayan populations for the conservation of the species.
Raveendran, T.V.; Harada, E.
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The mugilid fish Liza haematocheila (syn. Mugil soiuy), native to the Western North Pacific, provides opportunities to examine the changes of its parasite fauna after its translocation to the Sea of Azov and subsequent establishment in the Black Sea. However, the information on macroparasites of this host in both ranges of its current distribution comes from isolated studies published in difficult-to-access literature sources. Data from 53 publications, predominantly in Chinese, Russian and Ukrainian, were compiled from an extensive search of the literature and the Host-Parasite Database maintained up to 2005 at the Natural History Museum, London. The complete checklist of the metazoan parasites of L. haematocheila throughout its distributional range comprises summarised information for 69 nominal species of helminth and ectoparasitic crustacean parasites, from 45 genera and 27 families (370 host-parasite records in total) and includes the name of the parasite species, the area/locality of the host capture, and the author and date of the published record. The taxonomy is updated and the validity of the records and synonymies are critically evaluated. A comparison of the parasite faunas based on the records in the native and introduced/invasive range of L. haematocheila suggests that a large number of parasite species was 'lost' in the new distributional range whereas an even greater number was 'gained'. Although the present checklist provides information that will facilitate future studies, the interesting question of macroparasite faunal diversity in L. haematocheila in its natural and introduced/invasive ranges cannot be dealt with the current data because of unreliability associated with the large number of non-documented and questionable records. This stresses the importance of data quality analysis in using host-parasite database and checklist data.
Full Text Available Abstract Background The mugilid fish Liza haematocheila (syn. Mugil soiuy, native to the Western North Pacific, provides opportunities to examine the changes of its parasite fauna after its translocation to the Sea of Azov and subsequent establishment in the Black Sea. However, the information on macroparasites of this host in both ranges of its current distribution comes from isolated studies published in difficult-to-access literature sources. Materials and methods Data from 53 publications, predominantly in Chinese, Russian and Ukrainian, were compiled from an extensive search of the literature and the Host-Parasite Database maintained up to 2005 at the Natural History Museum, London. Results The complete checklist of the metazoan parasites of L. haematocheila throughout its distributional range comprises summarised information for 69 nominal species of helminth and ectoparasitic crustacean parasites, from 45 genera and 27 families (370 host-parasite records in total and includes the name of the parasite species, the area/locality of the host capture, and the author and date of the published record. The taxonomy is updated and the validity of the records and synonymies are critically evaluated. A comparison of the parasite faunas based on the records in the native and introduced/invasive range of L. haematocheila suggests that a large number of parasite species was 'lost' in the new distributional range whereas an even greater number was 'gained'. Conclusion Although the present checklist provides information that will facilitate future studies, the interesting question of macroparasite faunal diversity in L. haematocheila in its natural and introduced/invasive ranges cannot be dealt with the current data because of unreliability associated with the large number of non-documented and questionable records. This stresses the importance of data quality analysis in using host-parasite database and checklist data.
Arai, Nobuaki; Sakamoto, Wataru
PIXE analysis was applied to estimate mineral concentration in red sea bream otoliths without cutting or polishing. Detected elements include Sr, Fe, Mn and Zn, which are commonly found in the otoliths in marine fishes. Strontium-Calcium concentration ratio is calculated by means of combined X-ray yields. The ratio doesn't indicate clear correlaion with mean reared seawater temperature. It is caused by the diffraction error induced by rough topographies of the otoliths surface. (author)
Saha, Anik; Feeroz, Mohammed Mostafa; Hasan, Md Kamrul
Rhinolophus pusillus is a common species of India and Nepal in South Asia. Here, we report a new record of this bat captured in the mixed evergreen forest in Rangamati, southeastern part of Bangladesh. The identification was based on external morphology along with cranio-dental measurements. Roost counts was conducted through direct observation.
Full Text Available Thirty-two specimens of Columbina picui (picui ground-dove were examined, and a collection of arthropods was made by washing the external surface of the body and the nasal cavity. The species in the order Phthiraptera found and their respective prevalences, mean abundance and mean intensity were: Columbicola passerinae (84.4%; 10.3; 12.2, Hohorstiella passerinae (21.9%; 0.7; 3.1 and Physconelloides eurysema (3.1%; 0.1; 2. The gamasid mites found in the birds and their respective prevalences, mean abundance and mean intensity were: Pellonyssus marui (31.3%; 1.2; 3.9, Ornithonyssus bursa (15.6%; 0.2. ;1.2 and Mesonyssus sp. (6.3%; 0.1; 1. Columbicola passerinae, H. passerinae, P. eurysema, O. bursa, P. marui and Mesonyssus sp. were recorded for the first time infecting C. picui in Brazil. Except for O. bursa, the other species are reported for the first time in the state of Rio Grande do Sul, Brazil.
Xiao, Yongshuang; Ma, Daoyuan; Xu, Shihong; Liu, Qinghua; Wang, Yanfeng; Xiao, Zhizhong; Li, Jun
Oplegnathus fasciatus (rock bream) is a commercial rocky reef fish species in East Asia that has been considered for aquaculture. We estimated the population genetic diversity and population structure of the species along the coastal waters of China using fluorescent-amplified fragment length polymorphisms technology. Using 53 individuals from three populations and four pairs of selective primers, we amplified 1 264 bands, 98.73% of which were polymorphic. The Zhoushan population showed the highest Nei's genetic diversity and Shannon genetic diversity. The results of analysis of molecular variance (AMOVA) showed that 59.55% of genetic variation existed among populations and 40.45% occurred within populations, which indicated that a significant population genetic structure existed in the species. The pairwise fixation index F st ranged from 0.20 to 0.63 and were significant after sequential Bonferroni correction. The topology of an unweighted pair group method with arithmetic mean tree showed two significant genealogical branches corresponding to the sampling locations of North and South China. The AMOVA and STRUCTURE analyses suggested that the O. fasciatus populations examined should comprise two stocks.
Rizki Kurnia Tohir
Full Text Available Conflict between human and elephants in Tesso Nilo National Park encourages WWF to establish the Flying Squad. Related to the function of the sumatran elephants in Flying Squad as the patrol team, it is necessary to conduct a proper management to ensure animal welfare. This study aims to examine the aspects of welfare management and asses the level of welfare of sumatran elephants in Flying Squad. The research methodology used for this study are literature review, interviews and field observation. Data analyzed by describing the suitability of management and tabulating the assessment. The management of cages, feed, health and reproduction requires some improvements such as the type, number and equipment of the cages, natural feed adequacy, medical infrastructure and reproduction management. The 76,98% percentage rate of sumatran elephant welfare, which is relatively good, is because there are only 14 priority components of 43 components of animal welfare assessment that need improvements and enhanced management. Keywords: animal welfare, flying squad, the patrol elephant
QUEIROZ, Sandra Aidar de; COOPER, Ross Gordon
The red-wing tinamou (Rhynchotus rufescens) is economically important as food. The current study investigated the limb and trunk characteristics in age-matched [year-of-hatch (yoh) 2004 and 2005], gender segregated birds, and determined differences in stride between cocks and hens. The locomotion trial was completed in a corridor of 0.6 × 2.36 m dimension. The girth was significantly higher in cocks than in hens, while body weight was slightly higher in hens. Cocks had a greater height than h...
de Queiroz, Sandra Aidar [UNESP; Cooper, Ross Gordon
The red-wing tinamou (Rhynchotus rufescens) is economically important as food. The current study investigated the limb and trunk characteristics in age-matched [year-of-hatch (yoh) 2004 and 2005], gender segregated birds, and determined differences in stride between cocks and hens. The locomotion trial was completed in a corridor of 0.6 x 2.36 m dimension. The girth was significantly higher in cocks than in hens, while body weight was slightly higher in hens. Cocks had a greater height than h...
Full Text Available One specimen of red seabream Pagrus major, 44.9 cm total length, was caught in the eastern middle Adriatic (Island Molat, Cape Bonaster by long-line hook at a depth of about 20 m on a hard rocky bottom on 25 September 2004. It is the first record of this species in the Adriatic Sea and Mediterranean area.
T. N. Thel
Full Text Available Abstract Guans are large frugivorous birds that inhabit Neotropical forests and play a fundamental role in seed dispersal and forest regeneration. Despite their ecological importance, the natural populations of these birds are increasingly threatened by deforestation and hunting pressure. The present study was conducted in the Araripe National Forest, Ceará (Brazil, with the objective of estimating population parameters (density and total population size in the Rusty-margined Guan (Penelope superciliaris and the White-browed Guan (Penelope jacucaca, as well as providing data on their feeding ecology, including seasonal variation and fruit morphology. The study was based on the monthly collection of data between November, 2011, and October, 2012. Population parameters were estimated using line transect surveys, while feeding ecology was studied by direct observation, and the collection of plant and fecal samples. The estimated population density of P. superciliaris was 19.17 individuals/km2 (CV=13.98%, with a mean of 0.13 sightings per 10 km walked. Penelope jacucaca was not encountered during the surveys. A total of 14 plant species were recorded in the diet of P. superciliaris, 12 by direct observation, and two from fecal samples. Fruit diameter varied from 6.3±1.35 mm (Miconia albicans to 29.9±1.7 mm (Psidium sp.. Yellow was the most frequent fruit color (41.6%, n=5, with two species each (16.6% providing black, green, and red fruits. Fleshy fruits of the baccate (50.0%, n=6 and drupe (33.3%, n=4 types were the most consumed. The data on population parameters and feeding ecology collected in the present study provide an important database for the development of effective management strategies by environmental agencies for the conservation of the populations of the two guan species.
Elsa Inés Altamirano
Full Text Available Con la finalidad de caracterizar el ciclo reproductivo anual de Columbina picui se realizó el análisis estructural y cuantitativo de los ovarios de ejemplares adultos recolectados entre los años 2005—2006 en la Sierra de Macha (Totoral, Córdoba, Argentina. Durante la fase de recrudescencia gonadal (junio a marzo, se determinaron tres valores máximos; el primero en junio, resultado de la ovipostura de las hembras subadultas (plumaje de adultos y vestigios de la Bursa de Fabricius; los restantes valores se registraron uno en septiembre y el otro en enero correspondiendo al de las hembras adultas. La regresión ovárica se inició a partir de la incubación de los huevos y el reposo gonadal de la mayoría de las aves entre abril y mayo. Se identificaron dos tipos atresia folicular: a no bursting, la pared folicular se mantiene intacta, comprende a la lipoidal (ovocitos primordiales y a la lipoglandular (folículos previtelogénicos y vitelogénicos pequeños, ambos procesos se visualizaron durante todo el ciclo reproductivo y b bursting las paredes foliculares se rompen, afecta a los folículos vitelo- génicos menores de 800 μm y sólo fue detectada posterior a la ovipostura. El ciclo reproductivo de C. picui se caracterizo por alta frecuencia de hembras con capacidad de reproducirse durante la mayor parte del año y la prolongada fase de recrudescencia gonadal.
Gu, Jiayin; Yu, Lan; Hua, Yan; Ning, Yao; Heng, Bao; Qi, Jinzhe; Long, Zexv; Yao, Mingyuan; Huang, Chong; Li, Zhilin; Lang, Jianming; Jiang, Guangshun; Ma, Jianzhang
A small, isolated Amur tiger population is living at the southwest Primorskii Krai in Russia and Hunchun in China region. Many of them with "dual nationality" cross the border frequently. Formulating effective conservation strategies requires a clear understanding of tiger food requirements in both Russia and China sides, while Russia side already have clear results of it. We used scat analysis combined with data on the abundance of four prey species to estimate Amur tiger diet and prey preferences in Hunchun. We examined 53 tiger samples from 2011-2016 and found that tigers preyed on 12 species (11 species in winter), four of which were domestic animals with 33.58% biomass contribution, and got the first record that Amur tiger eat lynx in this area. Tigers showed a strong preference for wild boar (Jacobs index: +0.849), which were also the most frequently consumed prey, and a strong avoidance to roe deer (Jacobs index: -0.693). On the Russian side, domestic animals (just dog) were rarely found in tiger scat, and tiger did not show strong avoidance to roe deer, but to sika deer. We also found red deer footprints during winter surveys and that tigers ate red deer on the Chinese side, while there was no record of red deer on the Russian side. Reducing or eliminating human disturbance, such as grazing, is essential to recovering tiger prey and habitat in this area and the Sino-Russia joint ungulate annual survey is indispensable for prey estimates of this small, isolated Amur tiger population. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.
Park, Hyun Suk; Kim, Choong-Gon; Kim, Sung; Park, Yong-Joo; Choi, Hee-Jung; Xiao, Zhizhong; Li, Jun; Xiao, Yongshuang; Lee, Youn-Ho
The rock bream, Oplegnathus fasciatus, is a common rocky reef game fish in East Asia and recently has become an aquaculture species. Despite its commercial importance, the population genetic structure of this fish species remains poorly understood. In this study, 163 specimens were collected from 6 localities along the coastal waters of Korea and China and their genetic variation was analyzed with mtDNA COI sequences. A total of 34 polymorphic sites were detected which determined 30 haplotypes. The genetic pattern reveals a low level of nucleotide diversity (0.04 ± 0.003) but a high level of haplotype diversity (0.83 ± 0.02). The 30 haplotypes are divided into two major genealogical clades: one that consists of only Zhoushan (ZS, East China Sea) specific haplotypes from the southern East China Sea and the other that consists of the remaining haplotypes from the northern East China Sea, Yellow Sea, Korea Strait, and East Sea/Sea of Japan. The two clades are separated by approximately 330 435 kyBP. Analyses of AMOVA and F st show a significant population differentiation between the ZS sample and the other ones, corroborating separation of the two genealogical clades. Larval dispersal and the fresh Yangtze River plume are invoked as the main determining factors for this population genetic structure of O. fasciatus. Neutrality tests and mismatch distribution analyses indicate late Pleistocene population expansion along the coastal waters of Korea and China approximately 133-183 kyBP during which there were periodic cycles of glaciations and deglaciations. Such population information needs to be taken into account when stock enhancement and conservation measures are implemented for this fisheries species.
Full Text Available Abstract Frugivorous birds are important seed dispersers and influence the recruitment of many plant species in the rainforest. The efficiency of this dispersal generally depends on environment quality, bird species, richness and diversity of resources, and low levels of anthropogenic disturbance. In this study, we compared the sighting number of dusky-legged guans (Penelope obscura by km and their movement in two areas of Serra do Japi, one around the administrative base (Base where birds received anthropogenic food and a pristine area (DAE with no anthropogenic resource. We also compared the richness of native seeds in feces of birds living in these two areas. Although the abundance of P. obscura was higher in the Base, these individuals moved less, dispersed 80% fewer species of plants and consumed 30% fewer seeds than individuals from DAE. The rarefaction indicated a low richness in the frugivorous diet of birds from the Base when compared to the populations from DAE. We conclude that human food supply can interfere in the behavior of these birds and in the richness of native seeds dispersed.
Systematic and pathologic study of Paratanaisia bragai (Santos, 1934 Freitas, 1959 (Digenea, Eucotylidae infestation in ruddy ground dove Columbina talpacoti (Temminck, 1811 Estudo da sistemática e da patologia de Paratanaisia bragai (Santos, 1934 Freitas, 1959 (Digenea, Eucotylidae em rolinha-caldo-de-feijão, Columbina talpacoti (Temminck, 1811
Full Text Available This is the first report of the digenetic trematode Paratanaisia bragai infestation in a ruddy ground dove Columbina talpacoti, captured in a suburban area of Rio de Janeiro, Brazil. Although with a low prevalence (10%, the intensity of infection was high, considering that 116 worms were recovered from one of the kidneys. Gross lesions were not observed and histopathological analysis showed very dilated renal collecting ducts with destruction and flattening of the lining epithelial cells, without inflammatory reaction. The pathological findings were compared to those previously reported for P. bragai in other hosts, since the proposal of the species in 1934.O trematódeo digenético Paratanaisia bragai é referido pela primeira vez parasitando a rolinha-caldo-de-feijão, Columbina talpacoti, proveniente de área suburbana do Rio de Janeiro, Brasil. Embora com baixa prevalência (10%, a intensidade de infecção foi alta, considerando que 116 exemplares do parasito foram obtidos de um dos rins. Não foram observadas lesões macroscópicas. A análise histopatológica demonstrou grande dilatação dos dutos coletores renais, com destruição e achatamento das células epiteliais de revestimento, sem reação inflamatória. Os achados patológicos foram comparados aos anteriormente relatados para P. bragai em outros hospedeiros, desde a proposição da espécie em 1934.
Sayako, N.; Dickinson, E.C.
A copy of the reported 1850 impression of the “Nouveau recueil de planches coloriées” that has recently come to light suggests that bound copies would be virtually indistinguishable from the first edition (1820-1839) despite the different publisher. In spite of clear statements by the publisher, we
Age-dependent change in the morphology of nucleoli and methylation of genes of the Nucleolar Organizer Region in Japanese quail Coturnix japonica) model (Temminck and Schlegel, 1849) (Galliformes: Aves).
Andraszek, Katarzyna; Gryzińska, Magdalena; Wójcik, Ewa; Knaga, Sebastian; Smalec, Elżbieta
Nucleoli are the product of the activity of nucleolar organizer regions (NOR) in certain chromosomes. Their main functions are the formation of ribosomal subunits from ribosomal protein molecules and the transcription of genes encoding rRNA. The aim of the study was to determine the shape of nucleoli and analyse methylation in the gene RN28S in the spermatocytes of male Japanese quail (Coturnixjaponica) in two age groups. Nucleoli were analysed in cells of the first meiotic prophase. Their number and shape were determined and they were classified as regular, irregular or defragmented. In the cells of the young birds no defragmented nucleoli were observed, with regular and irregular nucleoli accounting for 97% and 3%, respectively. In the cells of older birds no regular nucleoli were observed, while irregular and defragmented nucleoli accounted for 37% and 67%, respectively. MSP (methylation-specific PCR) showed that the gene RN28S is methylated in both 15-week-old and 52-week-old quails. In recent years an association has been established between nucleolus morphology and cellular ageing processes.
Toute la faune sauvage des bois sacrés est considérée comme menacée de disparition. On peut citer en priorité. Trionomys swinderianus,. Varanus exanthematicus,. Varanus niliticus, Python sebae, Dendrohyrax dorsalis, Manis tricuspide, Ourebia ourebi,. Cercopithecus chlorocebus, Aethiops tantalus,. Colobus vellerosus ...
The identity of an old female specimen of Pseudocheirus peregrinus (Boddaert, 1785) in the National Museum of Natural History, Leiden, is discussed and the early descriptions and nomenclatural history of the species are reviewed. The assumption by Temminck (1824) and Jentink (1888) that the animal
All previous behavioural studies of Temminck's ground pangolins (Smutsia temminckii) have focused on populations in mesic regions. We examined home range size, activity periods, habitat selectivity and refuge site selection of 13 individuals over three years in the Kalahari Desert of South Africa, near the western edge of ...
In the P. Z. S. L. of the year 1852, p. 99, we find a description of a new Hyrax from Fernando-Po by Fraser. This new species, Hyrax dorsalis, is rather insufficiently described and the figures (Plate XXXIII) have no value at all. In the following year, 1853, Temminck published his »Esquisses
Sciuropterus setosus, collected by Horner in the neighborhood of Padang (Sumatra) and described by Temminck in the »Fauna japonica”, seems to be such an extremely rare animal, that the type-specimen — an adult female — is the only individual hitherto observed by collectors and naturalists. Mr.
Mutafchiev, Yasen; Mariaux, Jean; Georgiev, Boyko B
Quazithelazia rostrata n. sp. from Ceyx erithaca (L.) (type-host) and Alcedo euryzona Temminck (Coraciiformes, Alcedinidae) and Q. alata n. sp. from Enicurus ruficapillus Temminck (Passeriformes, Muscicapidae) are described from vicinities of Gombak Biological Station, Selangor, Malaysia; both species are parasitic under the koilin lining of the gizzard. Paratypes of Schistogendra pelargopsis Nandi, De & Majumdar, 1985, a parasite of Pelargopsis capensis (L.) (Alcedinidae) from India, are redescribed and the species is recognised as a junior synonym of the type-species of Quasithelazia, Q. tenuis Maplestone, 1932 (new synonymy), a species originally described from Halcyon smyrnensis (L.) (Alcedinidae) in India. An amended diagnosis of the genus Quasithelazia Maplestone, 1932 is proposed. Currently, this genus includes eight species occurring in the Old World, six of them parasitic in kingfishers (Alcedinidae) and two species parasitic in flycatchers (Muscicapidae). These include, inter alia, Q. halcyoni n. comb. for Viktorocara halcyoni Ryzhikov & Khokhlova, 1964 from Halcyon smyrnensis and H. pileata (Boddaert) in Vietnam and the Russian Far East, Q. microcordonis n. comb. for Rusguniella microcordonis Schmidt & Kuntz, 1971 from Halcyon coromanda major (Temminck & Schlegel) in Taiwan and Q. multipapillata n. comb. for Schistogendra multipapillata Zhang, 1993 from Tarsiger cyanurus (Pallas) (Muscicapidae) in China. Comparative morphological data for Quasithelazia spp. are presented. Schistogendra oligopapillata Zhang & An, 2002 from domestic ducks in China is considered a species incertae sedis.
Drazo, Nicaise Amundala; Kennis, Jan; Leirs, Herwig
We conducted a survey on rodent crop damage among farmers in the hinterland of Kisangani (Democratic Republic of Congo). We studied the amount of crop damage, the rodent groups causing crop damage, the growth stages affected and the control techniques used. We conducted this survey in three...... municipalities using a standard questionnaire form translated into local languages, between November 2005 and June 2006 and during July 2007. We used the Quotas method and interviewed 70 households per municipality. Farmers indicated rodent groups implicated in crop damage on color photographs. Two types...... of survey techniques were used: individual and focus-group surveys. The sugar cane rat, Thryonomys sp. and Lemniscomys striatus caused most damage to crops, but inside granaries, Rattus rattus was the primary pest species eating stored food supplies and causing damage to stored goods. Cassava and maize were...
Hesham M Sallam
Full Text Available BACKGROUND: Gaudeamus is an enigmatic hystricognathous rodent that was, until recently, known solely from fragmentary material from early Oligocene sites in Egypt, Oman, and Libya. Gaudeamus' molars are similar to those of the extant cane rat Thryonomys, and multiple authorities have aligned Gaudeamus with Thryonomys to the exclusion of other living and extinct African hystricognaths; recent phylogenetic analyses have, however, also suggested affinities with South American caviomorphs or Old World porcupines (Hystricidae. METHODOLOGY/PRINCIPAL FINDINGS: Here we describe the oldest known remains of Gaudeamus, including largely complete but crushed crania and complete upper and lower dentitions. Unlike younger Gaudeamus species, the primitive species described here have relatively complex occlusal patterns, and retain a number of plesiomorphic features. Unconstrained parsimony analysis nests Gaudeamus and Hystrix within the South American caviomorph radiation, implying what we consider to be an implausible back-dispersal across the Atlantic Ocean to account for Gaudeamus' presence in the late Eocene of Africa. An analysis that was constrained to recover the biogeographically more plausible hypothesis of caviomorph monophyly does not place Gaudeamus as a stem caviomorph, but rather as a sister taxon of hystricids. CONCLUSIONS/SIGNIFICANCE: We place Gaudeamus species in a new family, Gaudeamuridae, and consider it likely that the group originated, diversified, and then went extinct over a geologically brief period of time during the latest Eocene and early Oligocene in Afro-Arabia. Gaudeamurids are the only known crown hystricognaths from Afro-Arabia that are likely to be aligned with non-phiomorph members of that clade, and as such provide additional support for an Afro-Arabian origin of advanced stem and basal crown members of Hystricognathi.
Full Text Available Salmonella enterica serovar Napoli (S. Napoli is an emerging serovar in Italy. It accounts for 2-4% of all serovars isolated from human infections. The zoonotic origin of this serovar is still unknown and this makes difficult to apply any control intervention. We report here the isolation of S. Napoli from a river nightingale (Cettia cetti, Temminck 1820 which represents the first description of this serovar from wild birds. This finding adds knowledge to the ecology of S. Napoli and addresses further studies aimed to assess the epidemiologic link between S. Napoli isolated from wild birds, food, environmental sources and human infections.
Pankov, Plamen; Gibson, David I; Kostadinova, Aneta
This paper presents the first documented record of four species of Saturnius Manter, 1969 in Liza haematocheila (Temminck & Schlegel) in its invasive Pontic range. S. papernai Overstreet, 1977, S. dimitrovi Blasco-Costa, Pankov, Gibson, Balbuena, Raga, Sarabeev & Kostadinova, 2006, S. minutus Blasco-Costa, Pankov, Gibson, Balbuena, Raga, Sarabeev & Kostadinova, 2006 and Saturnius sp. are described and compared with existing data by means of multivariate morphometric analysis. The morphological and morphometric similarities between the specimens of Saturnius sp. from L. haematocheila and a small form of S. papernai from L. aurata indicate the possible existence of another, cryptic species. Although having acquired at least three species of Saturnius since its establishment in the Black Sea region, there is no evidence that a Pacific congener has been introduced with this fish. This is the first report of S. minutus from the Black Sea.
Leonardo F. França
Full Text Available The identification of predators of birds' nests, crucial to a better understanding of predator-prey interactions, remains poorly known. Here we provide evidence that birds, and especially passerines, may depredate birds' nests in the Cerrado (Neotropical Savannah of Central Brazil. Data was collected primarily in a Conservation Unit (Estação Ecológica de Águas Emendadas during the breeding season, between 2003 and 2007. We report and discuss details on 14 events of nest predation, 12 of which by passerines, mostly by curl-crested jays - Cyanocorax cristatellus (Temminck, 1823. The results of our study suggest that the role of birds as nest predators in the Cerrado has been underestimated and needs to be further investigated.
Full Text Available Minilivestock, village development and the role of BEDIM.Minilivestock encompasses all animals of small site, and little-known in terras of production but usable as food, feed or revenues if not eaten. Sustainable breeding becomes possible, and should progressively replace uncontrolled gathering in the wild. Amongst vertebrates, an important meat supply is based on edible rodents like Thryonomys, Cricetomys, Xerus, Atherurus, Tenrec; Hydrochoerus, Dasyprocta, Myocastor, Capromys, Dolichotis, Agouti, etc. The saine applies to the guinea-pig Cavia porcellus and to frogs. Invertebrates farming is also practised through breeding of maggots, termites, butterflies (pupae and adults for consumption or sale; giant snails are also highly appreciated in many African countries. Minilivestock development is usually a back-yard activity, hence its interest as it relies on local species, substrates and raw materials for infrastructure. The demand for minilivestock product is high but there is still reluctance often from the official authorities, unfortunately. However minilivestock is not an utopia, and a country like Papua-New-Guinea, which bas officially adopted minilivestock production as a tool to help to develop remote villages, is an excellent example of success
Full Text Available Lagoa Santa, a small town in southeastern Brazil where naturalist Peter Lund lived, is regarded nowadays as an important historical site for the biological sciences. From 1847 to 1855, J.T. Reinhardt, hosted by Lund, collected 343 bird species. This material is an outstanding reference for many modern ornithological studies. The present paper reports the occurrence of some rare and threatened birds for the region of Lagoa Santa between 1998 and 2005. In this account I list the Rusty-margined Guan Penelope superciliaris Temminck, 1815; the Roseate Spoonbill Platalea ajaja Linnaeus, 1758; the Maguari Stork Ciconia maguari (Gmelin, 1789; the Wood Stork Mycteria americana Linnaeus, 1758; the Black Hawk-eagle Spizaetus tyrannus (Wied, 1820 and the Turquoise-fronted Parrot Amazona aestiva (Linnaeus, 1758. It is also reported the southernmost record for the Blue-and-yellow Macaw Ara ararauna (Linnaeus, 1758 and the range extension of the Crowned Slaty flycatcher Griseotyrannus aurantioatrocristatus (d'Orbigny and Lafresnaye, 1837. These data can be used as a baseline for studies of colonization and extinction.Lagoa Santa, cidade onde viveu Peter Lund é um dos sítios de maior importância histórica para as ciências biológicas. Durante os anos de 1847 e 1855, J.T. Reinhardt, a convite de Lund, coletou 343 espécies de aves que são hoje referência para vários estudos ornitológicos. O presente artigo relata a ocorrência de algumas aves raras e/ou ameaçadas para a região de Lagoa Santa, entre 1998 e 2005. A lista de espécies inclui a jacupemba Penelope superciliaris Temminck, 1815, o colhereiro Platalea ajaja Linnaeus, 1758, a maguari Ciconia maguari (Gmelin, 1789, a cabeça-seca Mycteria americana Linnaeus, 1758, o gavião-pega-macaco Spizaetus tyrannus (Wied, 1820; e o papagaio-verdadeiro Amazona aestiva (Linnaeus, 1758. Relata-se também a ocorrência mais meridional da arara-canindé Ara ararauna (Linnaeus, 1758, e a expansão da distribui
Full Text Available Foi conduzido um levantamento de espécies de aves do Vale do alto Rio Cipó durante o período de maio de 1998 a novembro de 2002. A região está totalmente inserida em uma das unidades de conservação mais importantes do sudeste do Brasil, o Parque Nacional da Serra do Cipó, em Minas Gerais. O método utilizado foi o de observação direta ao longo de 'transectos', captura com redes e identificação a partir do uso de vocalizações. A riqueza de espécies foi estimada usando-se o método de 'jackknife'. Foram registradas 226 espécies de aves pertencentes a 43 famílias. Isso corresponde cerca de 27% das 837 espécies já registradas para o bioma do Cerrado. Foram capturados 2.249 indivíduos num total de 4.486,82 horas-rede, onde foram amostradas 119 espécies pertencentes a 23 famílias. A riqueza foi estimada em 239 ± 5 espécies. Constam nesta lista seis espécies endêmicas do Cerrado: Augastes scutatus (Temminck, 1824 (Trochilidae, Hylocryptus rectirostris (Wied-NeuWied, 1821 (Furnariidae, Antilophia galeata (Lichtenstein, 1832 (Pipridae, Cyanocorax cristatellus (Temminck, 1823 (Corvidae, Charitospiza eucosma (Oberholser, 1905, Saltator atricollis (Vieillot, 1817, e Porphyrospiza caerulescens (Wied-Neuwied, 1830 (Emberizidae. Ocorrem também três espécies quase-ameaçadas de extinção: Sarcoramphus papa (Linnaeus, 1758 (Cathartidae, Cypsnagra hirundinacea (Lesson, 1831 e Charitospiza eucosma (Emberizidae. O Vale do Rio Cipó abriga uma porção significativa da avifauna do Cerrado. Alguns dos habitat encontrados no Vale estão se tornando cada vez mais raros na região do Cerrado de todo o Brasil, como as matas ciliares e o sistema de lagoas temporárias ao longo dos rios. Mesmo as cachoeiras, habitat importante para várias espécies, vêm desaparecendo em outras regiões do Brasil. Nesse sentido, a região do Vale do Rio Cipó dentro Parque consolida um dos seus objetivos que é a conservação da biodiversidade.It is
Sandra Maria das Graças Maruch
Full Text Available Known as "domestic dove", the Columba livia (Gmelin, 1789 is a columbidae species widely distributed in Brazil, whose reproductive biology has been studied by many researchers. The testes of 12 Columba livia males were collected and prepared for histologic examination under an optical microscope, the results of which were analysed and photographed. The tunica albuginea that covers the testes consists of a thick, not very cellular layer of dense connective tissue. Groups of interstitial cells with typical morphological appearance and surrounded by loose, well vascularized connective tissue are observable within the organ, between the seminiferous tubules. The seminiferous tubules are thick, intensely wound and, when seen in cross section, show Sertoli cells and spermatogenic lineage cells in different stages of development. These include spermatogonia (type A, clear; type A, dark; and type B, spermatocytes I and II, spermatids, and a large number of spermatozoons. Similarities are found between the histological findings described and those reported for the testes of Columbina talpacoti (Temminck, 1811.
Katahira, Hirotaka; Nagasawa, Kazuya
A parasitic nematode from the stomach of Japanese eel Anguilla japonica Temminck et Schlegel in western Japan, previously identified as Heliconema longissimum (Ortlepp, 1922), was morphologically re-examined and compared with the previous descriptions. In addition, the third-stage larva of this nematode is described, based on the specimens of encapsuled larvae found in musculature of two crabs, Hemigrapsus sp. and Perisesarma bidens (De Haan), caught from the upper-intertidal zone of the same locality. As a result of the morphological observation, seven pairs of postcloacal papillae in adult males are confirmed. This matches with the character of H. longissimum, but the shape of the fifth postcloacal papillae differs between the present material and H. longissimum; the former possesses pedunculate papillae in the fifth pair whereas the latter has sessile papillae. Since the pedunculate papillae can be found in the original description and the syntype specimens of H. anguillae Yamaguti, 1935 that has been synonymised with H. longissimum, we thus here resurrect H. anguillae as an accepted species. For the life-cycle of the present nematode, littoral crabs, including the two infected species, are likely to be the source of infections for Japanese eels, acting as intermediate hosts.
Iwasaki, T; Inoue, S; Tanaka, K; Sato, Y; Morikawa, S; Hayasaka, D; Moriyama, M; Ono, T; Kanai, S; Yamada, A; Kurata, T
Oita virus 296/1972 was isolated from the blood of a wild horseshoe bat, Rhinolophus cornutus (Temminck) in 1972. We investigated the pathogenicity of this virus in mice in relation to its histological, immunohistochemical and ultrastructural characteristics and the entire sequence of nucleoprotein gene. This virus caused lethal encephalitis in mice through intracerebral route. This susceptibility of mice was until 3 weeks of age. Immunohistochemical analysis using the convalescent sera obtained from survived adult mice after intracerebral inoculation revealed that many neurons were positive in the cytoplasm, besides no cross reactivity with normal and rabies virus-infected mouse brain tissues to this anti-sera. Ultrastructural analysis disclosed many bullet-shaped and enveloped virions in neurons. These morphological characteristics of the virions are consistent of that of viruses in the family Rhabdoviridae. Budding from endoplasmic membrane suggests that this virus has a similarity with lyssaviruses. Molecular analysis of cDNA coding a tentative nucleoprotein sequence revealed homology with those of viruses in the family Rhabdoviridae. Distance matrix analysis of this gene sequence with those of other rhabdoviruses isolated from mammals disclosed the discrete position of this virus in the phylogenic tree of rhabdoviridae infecting mammals and we renamed this virus as Oita rhabdovirus.
Liu, Chunlong; Xian, Weiwei; Liu, Shude; Chen, Yifeng
Resources of Japanese anchovy ( Engraulis japonicus Temminck & Schlegel, 1846) are undergoing dramatic recessions in China as the consequence of intensifying anthropogenic activities. Elucidating the influences of local-scale environmental factors on early life history traits is of great importance to design strategies conserving and restoring the declining anchovy resources. In this research, we studied hatching date and early growth of anchovy in the Yangtze River Estuary (YRE) using information obtained from otolith microstructure. Onset of hatching season and growth rates of anchovy was compared to populations in Japan and Taiwan. In YRE, the hatching date of anchovy ranged from February 26th to April 6th and mean growth rate ranged from 0.27 to 0.77 mm/d. Anchovies hatching later had higher growth rates than individuals hatching earlier before the 25th day. Among populations, hatching onsets of anchovy from the higher latitude were later than populations in the lower latitude, and growth rates of anchovy in YRE were much lower than populations in Japan and Taiwan. Variations in hatching onsets and early growth patterns of anchovy thus provide important knowledge on understanding the adaptation of anchovy in YRE and designing management strategies on conserving China's anchovy resources.
Full Text Available Mortality of Juvenile So-iuy Mullet, Liza haematocheilus (Teleostei, Mugilidae, in the Sea of Azov Associated with Metacercariae (Digenea. Sarabeev, V. - Age-dependent patterns, including yearly variations of digenean metacercariae infestations of the introduced species, Liza haematocheilus (Temminck & Schlegel, 1845, were studied. We evaluated the impacts of three metacercaria species, Timoniella imbutiforme (Molin, 1859 Brooks, 1980, Diplostomum spp. and Ascocotyle (Phagicola longa Ransom, 1920, on juvenile fish in age from one month to 2+ years old from the Molochny Estuary and neighboring waters of the Sea of Azov by applying Croft on’s negative binomial truncation technique, epidemiologic and aggregation indices. Parasite surveys executed in 1997-2014 revealed significant yearly differences in the infection dynamics of studied metacercariae in juvenile fish of L. haematocheilus. Metacercariae were absent or fish harboured several times less parasites in 2005-2013 than in 1997-1999. T. imbutiforme infection exhibits a convex that was observed in a decline of the parasite load aft er an initial increase. The infection load of Diplostomum spp. increased asymptotically with the fish age reaching maximum value in two years old juveniles. Both the abundance and the prevalence of A. (P. longa were low in juveniles of two month and two years old but relatively high and more or less constant during the rest of the juvenile period. Results of the present study suggest that metacercariae, especially, T. imbutiforme, are associated with mortality of juvenile Liza haematocheilus.
Skoracki, Maciej; Unsoeld, Markus; Marciniak, Natalia; Sikora, Bozena
The quill mite fauna of the family Syringophilidae (Acari: Prostigmata: Cheyletoidea) associated with owls (Aves: Strigiformes) is reviewed. A new genus is proposed, Neobubophilus Skoracki & Unsoeld gen. nov. It differs from closely related Bubophilus (Bubophilus Philips and Norton, 1978) by the absence of leg setae vsII in the both sexes. In addition, four new species are described: (1) Neobubophilus cunicularius Skoracki & Unsoeld sp. nov. from Athene cunicularia (Molina, 1782) (Strigidae) from Paraguay; (2) Neobubophilus atheneus Skoracki & Unsoeld sp. nov. from Athene noctua (Scopoli, 1769) and Athene brama (Temminck, 1821) (Strigidae), both from India; (3) Bubophilus tytonus Skoracki & Unsoeld sp. nov. from Tyto alba affinis (Blyth, 1862) (Tytonidae) from Cameroon, and (4) Megasyringophilus dalmas Skoracki & Unsoeld sp. nov. from Megascops choliba (Vieillot, 1817) (Strigidae) from Venezuela. The following new host species are given: Bubo bubo (Linnaeus, 1758) (Strigidae) from Nepal for Bubophilus ascalaphus (Philips and Norton 1978) and Strix woodfordii (Smith, 1834) (Strigidae) from Tanzania for Bubophilus aluconis (aluconis Nattress and Skoracki 2009). A key for syringophilid genera and species associated with owls is constructed. The host-parasite relationships of syringophilid mites and owls are discussed. © The Authors 2016. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: email@example.com Version of Record, first published online May 24, 2016 with fixed content and layout in compliance with Art. 220.127.116.11 ICZN.
Full Text Available The overabundance of large herbivores is now recognized as a serious ecological problem. However, the resulting ecological consequences remain poorly understood. The ecological effects of an increase in sika deer, Cervus nippon Temminck (Cervidae, on three insect groups of beetles was investigated: ground beetles (Carabidae, carrion beetles (Silphidae, and dung beetles (Scarabaeidae and Geotrupidae on Nakanoshima Island, Hokkaido, northern Japan. We collected beetles on Nakanoshima Island (experimental site and lakeshore areas (control site and compared the species richness, abundance, diversity index, and community composition of beetles between the sites. Results showed that although both species diversity and abundance of carabid beetles were significantly higher at the lakeshore site, those of dung and carrion beetles were higher at the island site. It was additionally observed that abundance of larger carabid beetles was higher at the lakeshore site, whereas that of small-sized carabid beetles did not differ between the lakeshore and island sites. For dung beetles, abundance of smaller species was higher at the island site, whereas that of large species did not differ between the lakeshore and island sites. Abundance of two body sizes (small and large of carrion beetles were both higher at the island site. Overall, the findings of this study demonstrated that an increase in deer population altered the insect assemblages at an island scale, suggesting further changes in ecosystem functions and services in this region.
van Beurden, S J; Voorbergen-Laarman, M A; Roozenburg, I; van Tellingen, J; Haenen, O L M; Engelsma, M Y
Anguillid herpesvirus 1 (AngHV1) causes a haemorrhagic disease with increased mortality in wild and farmed European eel, Anguilla anguilla (L.) and Japanese eel Anguilla japonica, Temminck & Schlegel). Detection of AngHV1 is currently based on virus isolation in cell culture, antibody-based typing assays or conventional PCR. We developed, optimized and concisely validated a diagnostic TaqMan probe based real-time PCR assay for the detection of AngHV1. The primers and probe target AngHV1 open reading frame 57, encoding the capsid protease and scaffold protein. Compared to conventional PCR, the developed real-time PCR is faster, less labour-intensive and has a reduced risk of cross-contamination. The real-time PCR assay was shown to be analytically sensitive and specific and has a high repeatability, efficiency and r(2) -value. The diagnostic performance of the assay was determined by testing 10% w/v organ suspensions and virus cultures from wild and farmed European eels from the Netherlands by conventional and real-time PCR. The developed real-time PCR assay is a useful tool for the rapid and sensitive detection of AngHV1 in 10% w/v organ suspensions from wild and farmed European eels. © 2015 John Wiley & Sons Ltd.
Ândrio Z. da Silva
Full Text Available Necrophagous Diptera associated with wild animal carcasses in southern Brazil. The aim of this study was to acquire a better knowledge concerning the diversity of necrophagous Diptera that develop on wild animal carcasses. For this purpose, the decomposition of six wild animal carcasses was observed in order to collect and identify the main species of necrophagous flies associated with the decomposition process. The carcasses were found on highways near the cities of Pelotas and Capão do Leão in the initial stage of decomposition, with no significant injuries or prior larval activity. Four wild animal models were represented in this study: two specimens of Didelphis albiventris Lund, 1840; two Tupinambis merianae Linnaeus, 1758; one Nothura maculosa Temminck, 1815; and one Cerdocyon thous Linnaeus, 1766. A total of 16,242 flies from 14 species were reared in the laboratory, where Muscidae presented the greatest diversity of necrophagous species. Overall, (i carcasses with larger biomass developed a higher abundance of flies and (ii the necrophagous community was dominated by Calliphoridae, two patterns that were predicted from published literature; and (iii the highest diversity was observed on the smaller carcasses exposed to the lowest temperatures, a pattern that may have been caused by the absence of the generalist predator Chrysomya albiceps (Wiedemann, 1819. (iv An UPGMA analysis revealed a similar pattern of clusters of fly communities, where the same species were structuring the groupings.
Hayes, Floyd E; RodrÍguez, Oscar; Thalman, Erika R; Castellanos, Emily A; Sterling, John
The Chaco Nothura Nothura chacoensis Conover is endemic to the Chaco of western Paraguay. Originally described as a subspecies of the Spotted Nothura N. maculosa (Temminck), it has been regarded by many authorities as a distinct species based on alleged sympatry with N. maculosa. However, an earlier study revealed no differences in cytochrome b sequences between the two taxa. We reanalyzed the geographic distribution and morphological variation of N. chacoensis and N. maculosa in western Paraguay based on museum specimens. There is no locality where specimens of both taxa were collected, thus there is no evidence for sympatry. Morphologically the two taxa did not differ in any size or shape variable. Plumage characters overlapped in a few specimens. We recorded vocalizations from at least four individuals of N. chacoensis within its known range. Its typical territorial song was a very rapid, relatively monotone trill that was virtually identical with the most frequent territorial song of N. maculosa in length, number of notes, rate of notes, and emphasized frequency, and differed substantially from the songs of other species of Nothura. Based on distributional, morphological, biochemical, and especially vocalization data, we conclude that N. chacoensis should be regarded as a subspecies of N. maculosa.
Luo, Damin; Guo, Shulin; Fang, Wenzhen; Huang, Heqin
During a helminthological examination of marine fishes from south of the Minnan-Taiwan Bank Fishing Ground, Taiwan Strait, Fujian, China, a new cucullanid nematode, Dichelyne (Cucullanellus) jialaris n. sp., was removed from the intestine of the red seabream, Pagrus major (Temminck & Schlegel, 1834). The new species differs from its congeners mainly in the following characters: body size medium but with relative long spicules of 1.01 mm (0.97-1.06) in length or 20.0% (18.21-21.8%) of the body length; proximal end of spicules somewhat expanded and distal end rounded; gubernaculum I-shaped, slightly narrow in the middle part, both ends rounded; both anterior and posterior cloaca lips round or oval, prominent and unequal in size. The anterior cloaca lip is at least 2 times larger than the posterior one. There is a conspicuous papilliform structure within the central of anterior and posterior cloacal lip. Vulva of female is not prominent, slightly postequatorial; distance from vulva to anterior end of body is 4.3 (3.0-5.5) mm or 58.0% (54.0-62.0%) of the body length. Considering the result of comparing the structure of so-called unpaired median papilla with the 10 pairs of caudal petiolated papillae in the body of the same individual. the papilliform structures are just a backstop for the cloacal lips, this new species represents the first record of a nematode of the Dichelyne, subgenus Cucullanellus in marine fishes of China Sea.
André de Mendonça-Lima
Full Text Available Few studies have related the effects of silviculture practices to the behavior of bird species in the Neotropics. The present study examined the foraging behavior of Phylloscartes ventralis (Temminck, 1824 in a native forest and in silviculture areas of Pinus elliotti and Araucaria angustifolia with different structures and ages. We tested two general hypotheses: (1 areas of commercial forest plantation change the foraging behavior of P. ventralis in relation to native forest, and (2 the foraging behavior of P. ventralis in silviculture areas with understories (complex structures is different from its behavior in areas without understory. The results showed that P. ventralis changed its foraging behavior depending on the type of forest, and on the presence of an understory in silviculture areas. Main changes involved the height and angle of substrate where the prey was captured. Phylloscartes ventralis showed the same set of attack maneuvers, with more maneuvers type in young Pinus planted without understory. The frequency of use of attack maneuvers was more similar in areas of silviculture with understory and in the native forest. The results highlight the importance of an understory structure and the utilization of native plant species in silviculture practices, to the foraging behavior of native bird species.
Bodkin, James L.
Seven species of pigeons and doves were cultured for yeasts in the upper digestive tract. The following list gives the isolation rate for each columbid species and the yeasts cultured from them: feral pigeon Columba Livia (Gmelin) 95% -Candida albicans (Robin) Berkhout, C. tropicalis (Castellani) Berkhout, C. krusei (Cast.) Berkhout, C. guilliermondii (Cast.) Langeron et Guerra, Torulopsis glabrata (Anderson) Lodder et De Vries, Saccharomyces telluris Van der Walt, and Geotrichum sp.; white-crowned pigeon (C. leucocephala Linnaeus) 56% -- S. telluris; mourning dove (Zenaidura rnacroura Linnaeus) 24% -- C. albicans, C. tropicalis, C. guilliermondii, and Geotrichurn sp.; passerine ground dove (Collumbigallina passerina Linnaeus) 20% -- C. parapsilosis (Ashford) Langeron et Talice, Kloeckera apiculata (Reess Emend. Klocker) Janke; zenaida dove (Zenaida aurita Temminck) 16% -- C. albicans, C. guilliermondii, and T. glabrata; one moustasche dove (Geotrygon mystacea Gosse) -- C. guillierrnondii; ringed turtle dove (Streptopelia rizoria Linnaeus) 14% -- C. albicans and Geotrichurn sp. No signs of disease could be seen in the 139 birds that were examined, and it was concluded that these yeasts comprise a part of the columbid's normal microbial flora.
Polo, Vicente; Veiga, José P
1. The use of behavioural traits by females in signalling condition has been practically ignored in evolutionary theory. However, females may also exhibit ornaments and behavioural displays, although less elaborated than those of males. 2. In this study we suggest that the carrying of feathers by spotless starlings Sturnus unicolor Temminck females to decorate the nest represents an elaborated and costly behaviour that is displayed in response to a courtship male behaviour: the carrying of nest green plants. 3. By experimentally increasing the amount of green plants in the nests, to give the appearance that highly attractive males defended them, we induced females to increase their feather carrying rates. 4. The amount of feathers carried to the nest was correlated to female reproductive experience and laying date, two variables correlated with female body condition. These results suggests that this behaviour may work as an honest indicator of female quality. 5. We conclude that male carrying plants and female carrying feathers can be viewed as two sex-specific functionally related signalling behaviours involved in mutual courtship or status signalling.
Full Text Available We studied hummingbirds and their food plants in an area of caatinga vegetation. We specifically examined their seasonal use of this habitat, migratory and non-migratory status, their foraging strategies and community roles The study was conducted in an area of arboreal-shrub caatinga, located in the Serra do Pará, municipality of Santa Cruz do Capibaribe, state of Pernambuco in northeastern Brazil. Field work was undertaken during 12 expeditions on a monthly basis between June, 2007 and May, 2008. Five species of hummingbirds were recorded visiting flowers in the community studied. Three were considered residents: Chlorostilbon lucidus (Shaw, 1812, Eupetomena macroura (Gmelin, 1788, and Heliomaster squamosus (Temminck, 1823. Hummingbirds visited 31 species of plants, of which only five presented attributes related to ornithophily. C. lucidus visited 29 plant species, including all ornithophilous species, and it was the most aggressive, defending territories. Among hummingbirds, C. lucidus may be considered the principal pollinator. Hummingbirds may also be acting as pollen vectors for some of the plant species not identified as ornithophilous. The hummingbird guilds varied among the plant species used as floral resources, as well as in their frequency of visits. Differences in plant species abundance, hummingbird preference, competitive exclusion or flowering seasonality are factors likely to influence those variations.
Las-Casas, F M G; Azevedo Júnior, S M; Dias Filho, M M
We studied hummingbirds and their food plants in an area of caatinga vegetation. We specifically examined their seasonal use of this habitat, migratory and non-migratory status, their foraging strategies and community roles The study was conducted in an area of arboreal-shrub caatinga, located in the Serra do Pará, municipality of Santa Cruz do Capibaribe, state of Pernambuco in northeastern Brazil. Field work was undertaken during 12 expeditions on a monthly basis between June, 2007 and May, 2008. Five species of hummingbirds were recorded visiting flowers in the community studied. Three were considered residents: Chlorostilbon lucidus (Shaw, 1812), Eupetomena macroura (Gmelin, 1788), and Heliomaster squamosus (Temminck, 1823). Hummingbirds visited 31 species of plants, of which only five presented attributes related to ornithophily. C. lucidus visited 29 plant species, including all ornithophilous species, and it was the most aggressive, defending territories. Among hummingbirds, C. lucidus may be considered the principal pollinator. Hummingbirds may also be acting as pollen vectors for some of the plant species not identified as ornithophilous. The hummingbird guilds varied among the plant species used as floral resources, as well as in their frequency of visits. Differences in plant species abundance, hummingbird preference, competitive exclusion or flowering seasonality are factors likely to influence those variations.
Nguyen, T L; Lim, Y J; Kim, D-H; Austin, B
Streptococcus parauberis is an increasing threat to aquaculture of olive flounder, Paralichthys olivaceus Temminck & Schlegel, in South Korea. We developed a real-time polymerase chain reaction (PCR) method using the TaqMan probe assay to detect and quantify S. parauberis by targeting the gyrB gene sequences, which are effective for molecular analysis of the genus Streptococcus. Our real-time PCR assay is capable of detecting 10 fg of genomic DNA per reaction. The intra- and interassay coefficient of variation (CV) values ranged from 0.42-1.95%, demonstrating that the assay has good reproducibility. There was not any cross-reactivity to Streptococcus iniae or to other streptococcal/lactococcal fish pathogens, such as S. agalactiae and Lactococcus garvieae, indicating that the assay is highly specific to S. parauberis. The results of the real-time PCR assay corresponded well to those of conventional culture assays for S. parauberis from inoculated tissue homogenates (r = 0.957; P < 0.05). Hence, this sensitive and specific real-time PCR is a valuable tool for diagnostic quantitation of S. parauberis in clinical samples. © 2014 John Wiley & Sons Ltd.
Sallam, Hesham M; Seiffert, Erik R
The Fayum Depression of Egypt has yielded fossils of hystricognathous rodents from multiple Eocene and Oligocene horizons that range in age from ∼37 to ∼30 Ma and document several phases in the early evolution of crown Hystricognathi and one of its major subclades, Phiomorpha. Here we describe two new genera and species of basal phiomorphs, Birkamys korai and Mubhammys vadumensis, based on rostra and maxillary and mandibular remains from the terminal Eocene (∼34 Ma) Fayum Locality 41 (L-41). Birkamys is the smallest known Paleogene hystricognath, has very simple molars, and, like derived Oligocene-to-Recent phiomorphs (but unlike contemporaneous and older taxa) apparently retained dP(4)∕4 late into life, with no evidence for P(4)∕4 eruption or formation. Mubhammys is very similar in dental morphology to Birkamys, and also shows no evidence for P(4)∕4 formation or eruption, but is considerably larger. Though parsimony analysis with all characters equally weighted places Birkamys and Mubhammys as sister taxa of extant Thryonomys to the exclusion of much younger relatives of that genus, all other methods (standard Bayesian inference, Bayesian "tip-dating," and parsimony analysis with scaled transitions between "fixed" and polymorphic states) place these species in more basal positions within Hystricognathi, as sister taxa of Oligocene-to-Recent phiomorphs. We also employ tip-dating as a means for estimating the ages of early hystricognath-bearing localities, many of which are not well-constrained by geological, geochronological, or biostratigraphic evidence. By simultaneously taking into account phylogeny, evolutionary rates, and uniform priors that appropriately encompass the range of possible ages for fossil localities, dating of tips in this Bayesian framework allows paleontologists to move beyond vague and assumption-laden "stage of evolution" arguments in biochronology to provide relatively rigorous age assessments of poorly-constrained faunas. This
Hesham M. Sallam
Full Text Available The Fayum Depression of Egypt has yielded fossils of hystricognathous rodents from multiple Eocene and Oligocene horizons that range in age from ∼37 to ∼30 Ma and document several phases in the early evolution of crown Hystricognathi and one of its major subclades, Phiomorpha. Here we describe two new genera and species of basal phiomorphs, Birkamys korai and Mubhammys vadumensis, based on rostra and maxillary and mandibular remains from the terminal Eocene (∼34 Ma Fayum Locality 41 (L-41. Birkamys is the smallest known Paleogene hystricognath, has very simple molars, and, like derived Oligocene-to-Recent phiomorphs (but unlike contemporaneous and older taxa apparently retained dP4∕4 late into life, with no evidence for P4∕4 eruption or formation. Mubhammys is very similar in dental morphology to Birkamys, and also shows no evidence for P4∕4 formation or eruption, but is considerably larger. Though parsimony analysis with all characters equally weighted places Birkamys and Mubhammys as sister taxa of extant Thryonomys to the exclusion of much younger relatives of that genus, all other methods (standard Bayesian inference, Bayesian “tip-dating,” and parsimony analysis with scaled transitions between “fixed” and polymorphic states place these species in more basal positions within Hystricognathi, as sister taxa of Oligocene-to-Recent phiomorphs. We also employ tip-dating as a means for estimating the ages of early hystricognath-bearing localities, many of which are not well-constrained by geological, geochronological, or biostratigraphic evidence. By simultaneously taking into account phylogeny, evolutionary rates, and uniform priors that appropriately encompass the range of possible ages for fossil localities, dating of tips in this Bayesian framework allows paleontologists to move beyond vague and assumption-laden “stage of evolution” arguments in biochronology to provide relatively rigorous age assessments of poorly
The Fayum Depression of Egypt has yielded fossils of hystricognathous rodents from multiple Eocene and Oligocene horizons that range in age from ∼37 to ∼30 Ma and document several phases in the early evolution of crown Hystricognathi and one of its major subclades, Phiomorpha. Here we describe two new genera and species of basal phiomorphs, Birkamys korai and Mubhammys vadumensis, based on rostra and maxillary and mandibular remains from the terminal Eocene (∼34 Ma) Fayum Locality 41 (L-41). Birkamys is the smallest known Paleogene hystricognath, has very simple molars, and, like derived Oligocene-to-Recent phiomorphs (but unlike contemporaneous and older taxa) apparently retained dP4∕4 late into life, with no evidence for P4∕4 eruption or formation. Mubhammys is very similar in dental morphology to Birkamys, and also shows no evidence for P4∕4 formation or eruption, but is considerably larger. Though parsimony analysis with all characters equally weighted places Birkamys and Mubhammys as sister taxa of extant Thryonomys to the exclusion of much younger relatives of that genus, all other methods (standard Bayesian inference, Bayesian “tip-dating,” and parsimony analysis with scaled transitions between “fixed” and polymorphic states) place these species in more basal positions within Hystricognathi, as sister taxa of Oligocene-to-Recent phiomorphs. We also employ tip-dating as a means for estimating the ages of early hystricognath-bearing localities, many of which are not well-constrained by geological, geochronological, or biostratigraphic evidence. By simultaneously taking into account phylogeny, evolutionary rates, and uniform priors that appropriately encompass the range of possible ages for fossil localities, dating of tips in this Bayesian framework allows paleontologists to move beyond vague and assumption-laden “stage of evolution” arguments in biochronology to provide relatively rigorous age assessments of poorly-constrained faunas
Full Text Available Foi estudada a avifauna de quatro fragmentos florestais em uma área de cultivo de cana-de-açúcar na região de Campos dos Goytacazes, norte do estado do Rio de Janeiro. A dieta básica e a estrutura das guildas tróficas foi determinada. O estudo foi realizado de outubro de 2000 a julho de 2001, utilizando-se capturas com redes ornitológicas, registros visuais e auditivos e análise de fezes. Quarenta e quatro espécies foram registradas e agrupadas em oito guildas tróficas (insetívoros, granívoros, carnívoros, frugívoros, piscívoros, nectarívoros, onívoros e detritívoros. Estas espécies foram também subdivididas em guildas mais específicas, associadas a seus hábitats. Algumas espécies apenas sobrevoaram os fragmentos, como Egretta thula (Molina, 1782, enquanto outras foram consideradas residentes, como Manacus manacus (Linnaeus, 1766. Algumas, como Amazona amazonica (Linnaeus, 1766, somente utilizaram os fragmentos para repouso noturno. Espécies pequenas de sub-bosque provavelmente não se deslocaram entre fragmentos, dada a relativa grande distância entre eles. Predadores como Rupornis magnirostris (Gmelin, 1789 utilizaram tanto os fragmentos quando as áreas abertas e canaviais em seu entorno. Estes fragmentos estão em situação crítica, abrigando principalmente espécies generalistas e/ou especialistas de bordas; porém ainda são utilizados de alguma forma por espécies de interesse ecológico, como Rhynchocyclus olivaceus (Temminck, 1820 e A. amazonica.Birds of four forest fragments in areas of extensive sugar-cane plantation were studied in Campos dos Goytacazes, northern Rio de Janeiro State, Brazil, from October 2000 to July 2001. The basic diet of sampled species and their trophic guild allocation were determined. The study was carried out by means of capture with mist nets, visual and auditive records and analysis of faeces. Forty-four species were recorded and grouped in eight trophic guilds (insectivores
Full Text Available Background/Aims: This study measured the effect of Sika deer (Cervus nippon Temminck antler protein (SDAPR, glycoproteins (SDAG, and polysaccharides (SDAPO on cisplatin-induced cytotoxicity in HEK 293 cells, and investigated the effect of SDAPR against cisplatin-induced nephrotoxicity in mice. Methods: Cell viability was measured by MTT assay. ICR mice were randomly divided into five groups: control, cisplatin with vehicle, and cisplatin with SDAPR at three concentrations: 5, 10, or 20 mg/kg, p.o., 10 d. Cisplatin was injected on 7th day (25 mg/kg, i.p.. Renal function, oxidative stress, levels of inflammatory factors, and expression of apoptosis-related proteins were measured in vivo. Renal tissues were stained with TUNEL and H&E to observe renal cell apoptosis and pathological changes. Results: Pretreatment with SDAPR (125-2000 µg/mL significantly improved cell viability, with an EC50 of approximately 1000 µg/mL. SDAPR also ameliorated cisplatin-induced histopatholo- gic changes, and decreased blood urea nitrogen (BUN and creatinine (Cr (P < 0.05. Western blotting analysis showed SDAPR clearly decreased expression levels of cleaved-caspase-3 and Bax, and increased the expression level of Bcl-2 (P < 0.01. Additionally, SDAPR markedly regulated oxidative stress markers and inflammatory cytokines (P<0.05. TUNEL staining showed decreased apoptosis after SDAPR treatment (P < 0.01. Conclusions: These results indicate that SDAPR can be an effective dietary supplement, to relieve cisplatin-induced nephrotoxicity by improved antioxidase activity, suppressed inflammation, and inhibited apoptosis in vivo.
Letice C. França
Full Text Available The Cerrado is still one of the most important ecosystems in Brazil, even though more than 50% of its area has been altered or converted to pastureland and plantations. Despite its intense degradation, few ecological processes that might affect its biodiversity have been evaluated. The goal of this study was to test the edge effect on the predation rates at natural and artificial nests, at the Ecological Station of Águas Emendadas, Federal District, Brazil. Natural nests were found and monitored every three to four days from September to December of 2004 in the interior and at the edge of the reserve. Artificial nests were placed at four distances from the edge (0, 500, 1000 and 2000 m in three spatial replicates in September and again in December of 2004. Each nest received one Japanese Quail and one plasticine egg and was monitored every five days, for 15 days. There was no difference between the rates of predation either in the natural nests or in the artificial nests between treatments. For one bird species, Elaenia chiriquensis (Lawrence, 1865, Tyrannidae, daily survival rates in the incubation and in the hatchling period had opposite values between the edge and the interior. Marks on plasticine eggs suggest that birds are the main predators. Estimates of the abundance of two potential nest predators, Cyanocorax cristatellus (Temminck, 1823, Corvidae and Canis familiaris (Linnaeus, 1758, Canidae, revealed no relationship with distance to the edge, nor with predation rates. Brood parasitism of natural nests was similar between the interior (0% and the edge (3.8% of the nests. The results described here do not support the edge effect hypothesis for nest predation rates on either natural or artificial nests, nor for brood parasitism rates.
Gilmar F. Vita
Full Text Available Resumo:O objetivo foi testar in vitro e in vivo a eficácia da planta medicinal Chenopodium ambrosioidesLinnaeus, 1786 (erva-de-santa-maria, nas formas fitoterápica e homeopática, como meios alternativos para o controle de endoparasitos de Coturnix japonica Temminck & Schlegel, 1849 (codorna japonesa, um sério problema que afeta a criação e desempenho de aves domésticas, ocasionando morte quando muito intenso, retardo de crescimento, redução de índice de conversão alimentar e aumento na suscetibilidade às doenças infecciosas. As metodologias utilizadas foram preconizadas por Coles et al. (1992, creditada pela World Association for the Advancement of Veterinary Parasitology (WAAVP. A pesquisa evidenciou a presença dos gêneros Ascaridiae Eimeria. O ensaio in vitro demonstrou alta taxa de redução na inibição de eclosão de ovos de Ascaridiasp. (100,00% e significativa taxa de redução na destruição de oocistos de Eimeriasp. (47,06%. O ensaio in vivodemonstrou alta taxa de redução na contagem de ovos de Ascaridiasp. nas fezes (100,00% e expressiva taxa de redução na contagem de oocistos de Eimeriasp. nas fezes (60,33%. Chenopodium ambrosioides mostrou em certos momentos superioridade frente ao produto tradicional (Thiabendazole/Mebendazole e índices superiores aos preconizados pelo Ministério da Agricultura do Brasil e Organização Mundial da Saúde como indicativos de eficácia.
Luiz Carlos Machado
Full Text Available Com a presente pesquisa, objetivou-se estudar a digestibilidade da energia em rações para codornas e determinar a energia metabolizável da farinha das folhas de mandioca (FFM e do feno do terço superior da rama da mandioca (FTSRM, com e sem tratamento alcoólico. Foram utilizadas 224 codornas em postura (Coturnix coturnix Temminck & Schlegel, 1849, distribuídas em quatro tratamentos com quatro repetições cada, utilizando 14 aves em cada parcela experimental, sendo uma ração-referência e três em que o alimento-teste substituiu essa ração em 17,2%. Para tratamento alcoólico do FTSRM, foi utilizada uma mistura 50% v/v de álcool etílico hidratado com água, na qual foram submersos 1,5 kg do FTSRM, previamente moído, em 3 imersões consecutivas. Foi observado que a inclusão dos ingredientes fibrosos piorou a digestibilidade da energia das rações (P<0,05 em razão do maior nível de fibra dessas rações. A FFM e o FTSRM sem tratamento e o tratado com solução alcoólica apresentaram, respectivamente, 1497,61, 1539,61 e 1909,57 kcal EM/kg MS, havendo aumento considerável na energia metabolizável a partir do tratamento da rama com solução alcóolica. São necessárias novas pesquisas para maior elucidação do efeito do tratamento alcoólico sobre a melhoria do valor nutricional de ingredientes fibrosos.
Carlos Alexandre Rey Matias
Full Text Available Abstract The illegal wildlife trade may increase the risk of infectious disease transmission, and it may not only cause disease outbreaks in humans but also threaten livestock, native wild populations, and ecosystems' health. Bird species may act as carriers in the transmission of enteric pathogens. However, epidemiological studies on zoonotic bacteria in wild birds are rare in Brazil. From March 2011 to March 2012, we investigated the frequency of Enterobacteriaceae in cloacal swab samples from 109 birds of the passerine and Psittacidae families. These birds were recovered from illegal trade in Rio de Janeiro, Brazil, and sent to a rehabilitation center. Gram-negative bacteria were isolated from 86 wild birds (78.9%. A mean (±SD of 1.68 (±1.30 different bacterial species were isolated per bird, with a maximum of five bacterial species from three bird species. The most frequently isolated bacteria were Escherichia coli, followed by Enterobacter spp., Klebsiella pneumoniae and other enteric bacteria. Salmonella ser. Typhimurium was isolated from a Temminck's seedeater (Sporophila falcirostris, and two Salmonella ser. Panama were isolated from two specimens of chestnut-capped blackbird (Chrysomus ruficapillus. Of the 70 selected bacterial isolates, 60 exhibited antibiotic resistance. The resistance patterns varied from one to nine of the antibiotics tested. Resistance to ceftiofur was the most prevalent, followed by ampicillin and ceftriaxone. The dissemination potential of resistant strains in situations typically seen in the management of captive birds may become a problem for the conservation of natural bird populations and for public health.
Limited phylogeographic signal in sex-linked and autosomal loci despite geographically, ecologically, and phenotypically concordant structure of mtDNA variation in the Holarctic avian genus Eremophila.
Sergei V Drovetski
Full Text Available Phylogeographic studies of Holarctic birds are challenging because they involve vast geographic scale, complex glacial history, extensive phenotypic variation, and heterogeneous taxonomic treatment across countries, all of which require large sample sizes. Knowledge about the quality of phylogeographic information provided by different loci is crucial for study design. We use sequences of one mtDNA gene, one sex-linked intron, and one autosomal intron to elucidate large scale phylogeographic patterns in the Holarctic lark genus Eremophila. The mtDNA ND2 gene identified six geographically, ecologically, and phenotypically concordant clades in the Palearctic that diverged in the Early-Middle Pleistocene and suggested paraphyly of the horned lark (E. alpestris with respect to the Temminck's lark (E. bilopha. In the Nearctic, ND2 identified five subclades which diverged in the Late Pleistocene. They overlapped geographically and were not concordant phenotypically or ecologically. Nuclear alleles provided little information on geographic structuring of genetic variation in horned larks beyond supporting the monophyly of Eremophila and paraphyly of the horned lark. Multilocus species trees based on two nuclear or all three loci provided poor support for haplogroups identified by mtDNA. The node ages calculated using mtDNA were consistent with the available paleontological data, whereas individual nuclear loci and multilocus species trees appeared to underestimate node ages. We argue that mtDNA is capable of discovering independent evolutionary units within avian taxa and can provide a reasonable phylogeographic hypothesis when geographic scale, geologic history, and phenotypic variation in the study system are too complex for proposing reasonable a priori hypotheses required for multilocus methods. Finally, we suggest splitting the currently recognized horned lark into five Palearctic and one Nearctic species.
A. B. Chaplygina
Full Text Available The study is based on taxonomic and quantitative analysis of feed ration of nestlings and structure of nidikolas of collared flycatcher (Ficedula albicollis (Temminck, 1815. Ecological features and consortium relations of flycatchers and their specific feeding behavior were analyzed. Materials were collected in May – July 2009–2014 on the transformed territories of North-Eastern Ukraine. Functioning of trophic structure of biogeocenosis with the participation of flycatcher as a heterotrophic core of big autotrophic group was studied. Spatial and trophic relations of flycatcher with the woody vegetation and insect-phytophages (leaf beetles, leafhoppers, and barbels have been described. In the feed ration of flycatcher nestlings the prevalence is given to representatives of Hexapoda (83%, including Lepidoptera (16 families, 24%, Hymenoptera (12 families, 23% and Coleoptera (40 families, 15%. We characterize trophic groups of arthropods in the consortium of flycatchers: phytophages (33%, zoophages (45%, parasites, bloodsuckers, saprophages (16%, necrophages (4%, coprophages, keratophages. Fauna of arthropods of collared flycatcher nests was analyzed. Nests of birds as a heterotrophic consortium is the habitat of invertebrates with 293 taxons belonging to the Hexapoda, Arachnida, Malacostraca and Myriaroda, sometimes Mollusca. In the trophic structure of the population of flycatcher the representatives of Hexapoda dominate (278 species, where the first place is given to zoophages (127 species, 45%, including parasites (Culicidae, Tabanidae, Mallophaga, Hippoboscidae, Aphaniptera. The second are phytophages (78 species, 28%, the third – decomposers (75 species, 27%, and the last presenting detritivores (48 species, 18% and necrophages (27 species, 10%. Constant ectoparasitic species of flycatchers are Ricinus sp. (Mallophaga, Ornithomyia avicularia L. (Diptera, Protocalliphora azurea chrysorrhea Mg. (Diptera, Ceratophyllus sp. (Aphaniptera
Full Text Available Increased number of eosinophils in the circulation and sputum is associated with the severity of asthma. The respiratory epithelium produces chemokine (C-C motif ligands (CCL which recruits and activates eosinophils. A chemically synthesized monoacetyl-diglyceride, PLAG (1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol is a major constituent in the antlers of Sika deer (Cervus nippon Temminck which has been used in oriental medicine. This study was aimed to investigate the molecular mechanism of PLAG effect on the alleviation of asthma phenotypes. A549, a human alveolar basal epithelial cell, and HaCaT, a human keratinocyte, were activated by the treatment of interleukin-4 (IL-4, and the expression of chemokines, known to be effective on the induction of eosinophil migration was analyzed by RT-PCR. The expression of IL-4 induced genes was modulated by the co-treatment of PLAG. Especially, CCL26 expression from the stimulated epithelial cells was significantly blocked by PLAG, which was confirmed by ELISA. The transcriptional activity of signal transducer and activator of transcription 6 (STAT6, activated by IL-4 mediated phosphorylation and nuclear translocation, was down-regulated by PLAG in a concentration-dependent manner. In ovalbumin-induced mouse model, the infiltration of immune cells into the respiratory tract was decreased by PLAG administration. Cytological analysis of the isolated bronchoalveolar lavage fluid (BALF cells proved the infiltration of eosinophils was significantly reduced by PLAG. In addition, PLAG inhibited the migration of murine bone marrow-derived eosinophils, and human eosinophil cell line, EoL-1, which was induced by the addition of A549 culture medium.
Full Text Available Se analizaron las variaciones estructurales y cuantitativas del ovario de Patagioenas maculosa (Temminck, 1813 durante el ciclo anual 2005 - 2006. Treinta y cinco hembras adultas se capturaron en el Departamento Río Primero (Córdoba, Argentina. Las gónadas se extrajeron, pesaron y fijaron en formol tamponado a pH 7.0 y procesaron de acuerdo a la técnica de inclusión en parafina. En la mayoría de las aves el análisis morfohistológico del ovario reveló un notorio desarrollo de la gónada desde mayo a febrero, observándose 4 ó 5 folículos vitelogénicos amarillos ≥ de 4 mm y folículos preovulatorios. El incremento del peso gonadal con un valor máximo en setiembre y octubre concordó con las características morfológicas de la fase de recrudescencia gonadal. Luego de la ovipostura, los escasos folículos en desarrollo y abundantes folículos postovulatorios y atrésicos indicaron el comienzo de la regresión ovárica. En los meses de marzo y abril, el ovario exhibió el aspecto del reposo gonadal con abundantes ovocitos primarios, folículos previtelogénicos y vitelogénicos blancos ≤ 2 mm, escasos folículos vitelogénicos amarillos ≥ 2 mm y folículos atrésicos pequeños. El peso mínimo fue registrado en marzo. De los resultados se infiere que P. maculosa ovipone durante la mayor parte del año y que la prolongada actividad gonadal de esta ave estaría relacionada con la gran disponibilidad de alimento en el área de muestreo.
Full Text Available ABSTRACT Bird-window collisions are a dramatic cause of bird mortality globally. In Latin America, statistics are generally very scarce and/or inaccessible so the frequency of such incidents is still poorly understood. Nevertheless, civilians have applied preventive methods (e.g. adhesive bird-of-prey decals sparsely but, to our knowledge, no study has evaluated their effectiveness in Brazil. Here, we estimated the mortality rate of bird-window collisions and tested the effectiveness of bird-of-prey decals at preventing such accidents. We undertook daily searches for bird carcasses, presumably resulting from window collisions, near all buildings on a university campus over seven months. Adhesive bird-of-prey decals were then applied to the two buildings with the highest mortality rates and surveys continued for over 12 more months. The mortality rates before and after the application of decals and between seasons were then compared using Friedman test. We recorded 36 collisions, 29 around the two buildings with the highest collision rates 19 prior and 10 after our intervention with associated collision rates of 0.08 and 0.04 collisions/day. Although mortality was reduced by almost half, this difference was not statistically significant. The Blue-black grassquit, Volatinia jacarina (Linnaeus, 1766, and Ruddy ground dove, Columbina talpacoti (Temminck, 1810 suffered the highest number of collisions, followed by the Rufous-collared sparrow, Zonotrichia capensis (P. L. Statius Müller, 1776. Our bird-of-prey decals and efforts were insufficient to prevent or dramatically reduce the number of bird-window collisions. Therefore, we recommend that different interventions be used and additional long-term studies undertaken on their efficacy.
Preferência por hospedeiro e estratificação de Culicidae (Diptera em área de remanescente florestal do Parque Regional do Iguaçu, Curitiba, Paraná, Brasil Host preference and Culicidae stratification in area of degradated inside forest of Regional do Iguaçu Park, Curitiba, Paraná, Brazil
Ana Cristina Tissot
Full Text Available A investigação das populações de Culicidae em áreas de remanescentes florestais inseridas em área urbana, podem fornecer subsídios para compreensão dos processos de utilização de habitats apresentando diferentes graus de interferência antrópica. Foram investigadas espécies potencialmente zoofílicas durante o período vespertino no interior de remanescente florestal, no espaço urbano de Curitiba, Paraná. Durante o período de setembro de 2000 a junho de 2001, foram realizadas cinco coletas por estação, com auxílio de armadilhas CDC-M instaladas em dois estratos verticais, a 1,5 m do solo e na copa das árvores (6 m. Como iscas foram utilizados mamíferos Cavia porcellus (Linnaeus, 1758 (Rodentia, Cavidae e aves Nothura maculosa (Temminck, 1815 (Tinamiformes, Tinamidae em cada um dos estratos, com revezamento das iscas animais. As armadilhas foram operadas no intervalo horário das 16:00 às 20:00 h, sendo retiradas amostras a cada intervalo de 30 minutos. Em 60 horas de operação das armadilhas CDC-M, foram capturados 1.407 exemplares de Culicidae, sendo 1.143 espécies identificadas, distribuídas em nove gêneros e 13 espécies. As espécies mais freqüentes foram Mansonia(Mansonia fonsecai (Pinto, 1932 e Mansonia (Mansonia pessoai (Barreto e Coutinho, 1944, destaca-se também a ocorrência de: Ochlerotatus (Ochlerotatus scapularis (Rondani, 1848; Psorophora (Janthinosoma ferox (Humboldt, 1819 e Aedes (Stegomyia albopictus (Skuse, 1894. Na área foram detectadas a presença de espécies com graus variados de importância epidemiológica e com tendência a explorar ambientes exófilos, florestais e peridomiciliares.Parks and plazas (green areas or vegetation islands within urban areas can provide conditions for the development of populations of mosquitoes, many species of which are very adaptable to a variety of environments. The species of mosquitoes in the family Culicidae with animal hosts, in a vegetation island within an
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