Results 11 to 20 of about 4,340 (218)

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

open access: yesBrazilian Journal of Biology, 2010
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   +4 more sources

Yeasts Occurring in Surface and Mouth Cavity of Two Chelonian Species, Podocnemis expansa Schweigger and P. unifilis Troschel (Reptilia: Chelonia: Pelomedusidae), in the Javaés River Border of Araguaia National Park in Brazil [PDF]

open access: yesInternational Journal of Microbiology, 2010
Thirty-eight specimens of free-ranging Podocnemis expansa (Amazon turtle) and 22 of P. unifilis (Tracajá) were screened for yeast isolation from surface (plastron, skin, and nails), eye, and mouth cavity.
Paula Benevides de Morais   +4 more
doaj   +2 more sources

CARACTERIZAÇÃO DOS NINHOS E IDENTIFICAÇÃO SEXUAL DE PODOCNEMIS EXPANSA, TARTARUGA DA AMAZÔNIA

open access: yesDESAFIOS - Revista Interdisciplinar da Universidade Federal do Tocantins, 2022
As alterações climáticas e os impactos que o planeta vem sofrendo com as ações humanas, tornam os monitoramentos ecológicos e da biodiversidade imprescindíveis.
Ana Karla Gonçalves Kagueiama   +5 more
semanticscholar   +2 more sources

Uso de subprodutos e resíduos na elaboração de ração artesanal para filhotes de tartarugas (Podocnemis expansa) e tracajás (Podocnemis unifilis) em sistemas de criação comunitária no médio Juruá [PDF]

open access: yesRevista Agroecossistemas, 2022
A criação de quelônios tem sido estimulada no Amazonas como uma estratégia de conservação e em 2017, o Conselho Estadual de Meio Ambiente regulamentou a criação comunitária de filhotes de tartaruga (Podocnemis expansa) e tracajás (P.unifilis).
Ingrid Campos Castro   +4 more
semanticscholar   +4 more sources

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   +2 more sources

Refractometry as an alternative to the biuret method for measuring total serum proteins in Podocnemis expansa (Podocnemididae) and Phrynops geoffroanus (Chelidae) [PDF]

open access: yesActa Amazonica, 2017
Total serum protein is a significant indicator of health condition in animals. The aim of this study was to analyze the precision of the portable refractometer in determining the concentration of total serum proteins in Podocnemis expansa and Phrynops ...
Lourdes Marina Bezerra PESSOA   +8 more
doaj   +3 more sources

Trends in Urban Wild Meat Trade of Chelonians (Turtles and Tortoises) in the Peruvian Amazon [PDF]

open access: yesAnimals
Culturally, chelonians are important sources of nutrition and income for rural and urban people in tropical rainforests, but urban trade can cause declines in wild populations.
Pedro Mayor   +7 more
doaj   +2 more sources

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

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   +3 more sources

Morfometria e histologia das gônadas de machos e fêmeas recém-eclodidos de Podocnemis expansa e Podocnemis unifilis (Testudines, Podocnemididae)=Morphometry and histology of the gonads of males and females hatchlings of Podocnemis expansa and Podocnemis. unifilis (Testudines, Podocnemididae) [PDF]

open access: yesActa Scientiarum: Biological Sciences, 2012
Considerando a importância da técnica histológica na sexagem de quelônios e os poucos trabalhos direcionados para esta técnica, é proposto neste estudo caracterizar morfometricamente e histologicamente as gônadas de P. expansa e P. unifilis.
Adson Gomes de Ataídes   +4 more
doaj   +5 more sources

Evolutionary insights in Amazonian turtles (Testudines, Podocnemididae): co-location of 5S rDNA and U2 snRNA and wide distribution of Tc1/Mariner [PDF]

open access: yesBiology Open, 2020
Eukaryotic genomes exhibit substantial accumulation of repetitive DNA sequences. These sequences can participate in chromosomal reorganization events and undergo molecular cooption to interfere with the function and evolution of genomes.
Manoella Gemaque Cavalcante   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy