Results 41 to 50 of about 1,866 (199)

Pivotal temperature and sexual dimorphism of Podocnemis expansa hatchlings (Testudines: Podocnemididae) from Bananal Island, Brazil

open access: yesZoologia (Curitiba), 2009
A common problem when trying to identify the sex of hatchling turtles is that juveniles are not obviously externally dimorphic and current techniques to identify sex are often invasive.
Adélio Lubiana   +1 more
doaj   +1 more source

Community-based population recovery of overexploited Amazonian wildlife [PDF]

open access: yes, 2017
The Amazon Basin experienced a pervasive process of resource overexploitation during the 20th-century, which induced severe population declines of many iconic vertebrate species.
Antunes, André P.   +4 more
core   +1 more source

Podocnemis expansa

open access: yes, 2011
Published as part of Gaffney, Eugene S., Meylan, Peter A., Wood, Roger C., Simons, Elwyn & De Almeida Campos, Diogenes, 2011, Evolution Of The Side-Necked Turtles: The Family Podocnemididae, pp. 1-237 in Bulletin of the American Museum of Natural History 2011 (350) on page 29, DOI: 10.1206/350.1, http://zenodo.org/record ...
Gaffney, Eugene S.   +4 more
openaire   +2 more sources

Nuevos registros de nemátodes parásitos de animales de vida silvestre en el Perú

open access: yesRevista Peruana de Biología, 2014
Se registran, por primera vez para el Perú, 4 especies de nemátodes: Dipetalonema graciliformis Freitas, 1964 parásito de Saguinus labiatus; Evaginuris branickii (McCiure, 1932) Quentín, 1973 de Dinomys branickii; Alaeuris caudatus (Lent & Freitas ...
Manuel Tantaleán
doaj   +1 more source

Avaliação da cavidade orofaríngea da tartaruga da Amazônia, Podocnemis expansa (Schweigger, 1812)

open access: yesPesquisa Veterinária Brasileira, 2015
Resumo: Os quelônios são importantes como fonte alimentar e econômica para as comunidades da região amazônica. Sendo assim, a caça, a pesca e a procura por ovos destes animais tem ocorrido frequentemente.
Thaís B. Silveira   +6 more
doaj   +1 more source

Checklist of chelonians from the upper Madeira River and the lower Madeira-Purus interfluvium (Brazilian Amazon), including a range expansion for Podocnemis sextuberculata Cornalia, 1849 [PDF]

open access: yesCheck List, 2016
We present data on occurrence of chelonians for the Madeira River (southwestern Amazon, Brazil). Sampling was undertaken along the BR-319 Highway in the Madeira-Purus interfluvium and along a 125‑km stretch of the upper Madeira River.
Claudia Keller   +3 more
doaj   +3 more sources

Morphological characterization of the blood cells in the endangered Sicilian endemic pond turtle,Emys trinacris(Testudines: Emydidae) [PDF]

open access: yes, 2014
In this study, measurements of morphological parameters, sizes and frequencies of peripheral blood cells (erythrocytes, leukocytes, thrombocytes) on blood smear preparation devices stained with May-Grünwald stain were evaluated for both sexes in 20 ...
Aguirre AA   +34 more
core   +1 more source

Monitoreo Participativo De La Caza De Quelonios (Podocnemididae) Por Ribereños En El Bajo Río Purús Y Protección De Lugares De Desova En La Rds Piagaçu-Purus, Brasil.

open access: yesRevista Colombiana de Ciencia Animal Recia, 2013
Entre septiembre de 2011 y abril de 2012, se registraron informaciones participativas sobre las áreas de anidación y de las especies de quelonios cazados para el consumo por ribereños comunitarios de tres sectores de La Reserva de Desarrollo Sostenible ...
Fabiano Waldez   +4 more
doaj   +1 more source

Two new pleurodiran turtles from the Portezuelo Formation (Upper Cretaceous) of northern Patagonia, Argentina [PDF]

open access: yes, 2003
Fil: De la Fuente, Marcelo Saúl. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo.
De la Fuente, Marcelo Saúl
core   +1 more source

Cytogenetic studies in Podocnemis expansa and Podocnemis sextuberculata (Testudines, Podocnemididae), turtles of the Brazilian Amazon [PDF]

open access: yesCaryologia, 2011
Cytogenetic studies were conducted with Podocnemis expansa and Podocnemis sextuberculata, tur- tles of the Brazilian Amazon, aimed at a better characterization of the chromosomes of these species. To obtain mitotic chromosomes, lymphocytes were grown in a culture medium for karyotypes (RPMI), and harvested cells were treated to obtain metaphase ...
Cleiton Fantin   +1 more
openaire   +3 more sources

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