Results 41 to 50 of about 314 (154)
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]
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
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
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
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
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
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
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
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
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

