Results 51 to 60 of about 265 (124)

Freshwater megafauna shape ecosystems and facilitate restoration

Biological Reviews, Volume 99, Issue 4, Page 1141-1163, August 2024.
ABSTRACT Freshwater megafauna, such as sturgeons, giant catfishes, river dolphins, hippopotami, crocodylians, large turtles, and giant salamanders, have experienced severe population declines and range contractions worldwide. Although there is an increasing number of studies investigating the causes of megafauna losses in fresh waters, little attention
Fengzhi He, Jens‐Christian Svenning, Xing Chen, Klement Tockner, Tobias Kuemmerle, Elizabeth le Roux, Marcos Moleón, Jörn Gessner, Sonja C. Jähnig   +8 more
wiley   +1 more source

Total Mercury Content in the Tissues of Freshwater Chelonium (Podocnemis expansa) and a Human Health Risk Assessment for the Amazon Population in Brazil. [PDF]

Int J Environ Res Public Health, 2023
Targino FJ, Ribeiro JDN, Simões JS, Carneiro CS, Lazzarini SM, Souza AR, Ferreira MDS, Mano SB, Mársico ET.   +8 more
europepmc   +1 more source

Biometria e parâmetros hematológicos em tartarugas da Amazônia de um criatório comercial de Rio Branco/AC

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO Com o objetivo de definir os valores biométricos e quantificar parâmetros hematológicos como hematócrito, concentração de proteínas plasmáticas totais e leucócitos totais de tartarugas da espécie Podocnemis expansa, coletou-se um mililitro de ...
M.E.P. Morselli, F.S.E.D.V. Faria, V.M.F. Ribeiro, M.N.S. Viana, A.F. Parente, L.J. Baginski, C. Jardim, D.B.V. Reis   +7 more
doaj   +1 more source

Morphology and immunolocalization of intertubular steroidogenic cell in mesonephros of Podocnemis expansa during gonadal differentiation. [PDF]

Anim Reprod, 2022
de Macêdo LB, Magalhães MDS, Dias LC, Lemos KKA, Borges RSM, Saraiva MVA, de Oliveira MF, de Assis AC, de Moura CEB.   +8 more
europepmc   +1 more source

Habitat, population structure and community consume of Podocnemis unifilis and P. expansa (testudines: podocnemididae ) turtles in Curare-Los ingleses reserve, La Pedrera, Amazonas, Colombia

Mundo Amazónico, 2014
Habitat, population structure and consume of these resources by indigenous communities are determining factors for management and conservation of amazonian chelonians.
Ilba Carolina Figueroa, Augusto Fachín-Terán, Santiago Roberto Duque   +2 more
doaj  

Associations between dietary energy and protein levels and reproductive indices of Podocnemis expansa females in Amazonian farms: a long-term observational study [PDF]

Brazilian Journal of Biology
The present study evaluated the possible associations between gross energy (GE) and crude protein (CP) levels in the diet and the reproductive indices of Podocnemis expansa females maintained in captivity in the state of Amazonas, Brazil.
R. D. Melo, P. C. M. Andrade, J. R. Garcez, T. S. Lopes, G. B. Viana-Filho, J. A. M. Duarte, R. R. de Nunes Junior, A. K. L. de Lima, L. M. Ferreira, J. P. F. Rufino   +9 more
doaj   +2 more sources

Computed tomography for evaluation of the normal lung in adult male terrapins of five captive species

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Data on the tomographic characteristics of lung parenchyma in terrapins are rare. The objective of this study was to describe the tomographic anatomy of the lung parenchyma in five species of terrapins and estimate the normal CT attenuation values of the
I.C.C. Silva, L.C. R. Albuquerque, A.S. Oliveira, W.A. Silva, T.H.T. Fernandes, F.S. Costa   +5 more
doaj   +1 more source

Selección de locales de nidificación y sobrevivencia de los nidos de las tortugas podocnemis del bajo rio purus, amazonas, Brasil.

Revista Colombiana de Ciencia Animal Recia, 2009
Este estudio fue realizado en las playas Del rio Abufari que hace parte de la Reserva Biológica de Abufari, situada en El bajo rio Purus, Amazonas, Brasil. El estudio se condujo en los períodos secos (agosto/diciembre) desde 1998 hasta 2004.
Jackson PANTOJA-LIMA, C.B PEZZUTI, S TEIXEIRA, D FÉLIX-SILVA, H REBÊLO, S MONJELÓ, A KEMENES   +6 more
doaj   +1 more source

Morfometria do trato digestório da tartaruga-da-Amazônia (Podocnemis expansa) criada em sistema comercial

Revista Brasileira de Zootecnia, 2003
Estudos de parâmetros morfométricos do trato gastrointestinal (TGI) são necessários para o conhecimento dos processos digestórios dos alimentos no organismo animal e indicar a preferência alimentar de uma espécie.
Vera Lúcia Ferreira Luz, José Henrique Stringhini, Yeda Soares de Lucena Bataus, Wesley Assis de Paula, Michel Neto Novais, Isaías José dos Reis   +5 more
doaj  

Prevalence and parasitemia of Haemogregarina sp. in Podocnemis expansa (Testudines: Podocnemididae) from the Brazilian Amazon

Revista Brasileira de Parasitologia Veterinária
Seventy-five turtles Podocnemis expansa in the Brazilian Amazon were examined for the presence of ectoparasites and hemoparasites. Samplings were performed in three study areas in the state of Tocantins, Brazil.
Amanda Maria Picelli, Aluísio Vasconcelos de Carvalho, Lúcio André Viana, Adriana Malvasio   +3 more
doaj   +1 more source