Results 41 to 50 of about 314 (154)

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

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

Mutagenic, genotoxic and morphotoxic potential of different pesticides in the erythrocytes of Podocnemis expansa neonates

open access: yesScience of The Total Environment, 2020
Despite the damaging effects of pesticides glyphosate (Gly), atrazine (Atra) and fipronil (Fip) on different organisms, the mutagenic, genotoxic and morphotoxic potential of testudine erythrocytes in freshwater remains unknown. Thus, the aim of the present study is to assess the toxicological potential of these compounds in Podocnemis expansa ...
José Silonardo Pereira de Oliveira   +10 more
openaire   +4 more sources

Nesting ecology of Podocnemis expansa (Schweigger, 1812) and Podocnemis unifilis (Troschel, 1848) (Testudines, Podocnemididae) in the Javaés River, Brazil

open access: yesBrazilian Journal of Biology
Nest site has influence on incubation duration and hatching success of two Neotropical turtles, the Giant Amazon River Turtle (Podocnemis expansa) and Yellow-Spotted Side-Neck Turtle (Podocnemis unifilis - "Tracajá").
PD. Ferreira Júnior, PTA. Castro
doaj   +1 more source

Turtles, indians and settlers: Podocnemis expansa exploitation and the Portuguese settlement in eighteenth-century Amazonia

open access: yesTopoi, 2020
During the eighteenth century, Portuguese settlers in Amazonia captured thousands of turtles and crushed millions of their eggs. These turtles, especially the Giant South American River Turtle (Podocnemis expansa), gave these settlers two essential ...
Christian Fausto Moraes dos Santos   +1 more
doaj   +1 more source

Avaliação de parâmetros bioquímicos séricos em Tartarugas-da-Amazônia (Podocnemis expansa) mantidas em cativeiro

open access: yesPesquisa Veterinária Brasileira
RESUMO: Amostras de sangue de Tartaruga-da-Amazônia mantidas em cativeiro foram analisadas com o propósito de avaliar os constituintes bioquímicos séricos e de relacionar ao que já foi relatado por outros pesquisadores, além de gerar mais informações ...
Leandro A. Fonseca   +5 more
doaj   +1 more source

Estandarización de protocol de extracción de adn genomico de Podocnemis expansa e testes con los marcadores rapd e issr

open access: yesRevista Colombiana de Ciencia Animal Recia, 2012
Este trabajo tuvo como objetivo comparar y estandarizar un protocolo eficiente para la extracción de ADN de fragmentos de tejido de Podocnemis expansa y evaluar el poder informativo de los marcadores moleculares RAPD e ISSR para el análisis de la ...
DEYLA PAULA OLIVEIRA   +4 more
doaj   +1 more source

Urbanization and food transition in the Brazilian Amazon: From wild to domesticated meat

open access: yesPeople and Nature, EarlyView.
Abstract Urbanization is expected to influence food transitions, resulting in a shift from wild foods to more domesticated foods. Concomitantly, food insecurity and urban demand for natural resources, including wildlife, are expected to increase overall, even when the per capita consumption is expected to decrease.
Willandia A. Chaves   +7 more
wiley   +1 more source

Crescimento ponderal de filhotes de tartaruga gigante da Amazônia (Podocnemis expansa) submetidos a tratamento com rações isocalóricas contendo diferentes níveis de proteína bruta Body growth of one-month giant Amazonian turtle (Podocnemis Expansa) fed isocaloric diet with different levels of crude protein concentration

open access: yesRevista Brasileira de Zootecnia, 2004
A criação de Podocnemis expansa, a tartaruga-da-amazônia, com finalidade comercial foi implantada no Brasil em 1992. Contudo, muitas questões acerca do manejo, da nutrição, da sanidade e, principalmente, da reprodução ainda são obscuras.
Vinicius Augusto Sá   +5 more
doaj   +1 more source

Environmental Contaminant Accumulation in Freshwater Turtles Inhabiting Three Rivers of the Permian Basin, New Mexico, USA

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Freshwater turtles are valuable sentinels of aquatic systems due to their long lifespans and resilience in environments impacted by contaminants. The Permian Basin, dominated by the oil and gas sector, spans western Texas and southeastern New Mexico, USA, including the Pecos River and its tributaries, the Delaware and Black Rivers.
Ana G. G. Sapp   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy