Results 11 to 20 of about 286 (141)

Avaliação de padrão irregular dos escudos do casco em Podocnemis expansa e Podocnemis unifilis (Testudines, Podocnemididae) Evaluation of irregular pattern of the shell scutes in Podocnemis expansa and Podocnemis unifilis (Testudines, Podocnemididae)

open access: yesActa Amazonica, 2009
O casco de Podocnemis expansa (tartaruga-da-amazônia) e Podocnemis unifilis (tracajá), os maiores quelônios de água doce da América do Sul, é uma estrutura única que diferencia esse grupo dos vertebrados atuais e está associado a alguns padrões ...
Giovanni Salera-Junior   +2 more
doaj   +2 more sources

Avaliação da predação de Podocnemis expansa e Podocnemis unifilis (Testudines, Podocnemididae) no rio Javaés, Tocantins Evaluation of predation in Podocnemis expansa and Podocnemis unifilis (Testudines, Podocnemididae) in the Javaés River, Tocantins

open access: yesActa Amazonica, 2009
Podocnemis expansa e P. unifilis são animais de vida longa, com uma demorada maturação sexual, o que influencia uma baixa taxa de substituição de indivíduos.
Giovanni Salera Junior   +2 more
doaj   +2 more sources

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

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

Variation and development of the turtle chondrocranium, with a description of the common musk turtle (Sternotherus odoratus, Kinosternidae, Cryptodira, Testudines). [PDF]

open access: yesAnat Rec (Hoboken)
Abstract Based on histological cross‐sections, the chondrocranium of the common musk turtle (Sternotherus odoratus) was reconstructed, described, and compared with other turtles. It differs from that of other turtle chondrocrania by possessing elongated, slightly dorsally orientated nasal capsules with three dorsolateral foramina, which might be ...
Leicht L, Zhang Z, Werneburg I.
europepmc   +2 more sources

Parasitic macrofauna of Podocnemis unifilis from the Tocantins and Javaés Rivers, Eastern Amazon, Brazil

open access: yesPesquisa Veterinária Brasileira, 2023
: The parasitic fauna of Podocnemididae species is of great relevance to understanding the ecological relationships of the organisms in this genus. The parasites can have a symbiotic relationship with their hosts; however, environmental imbalances may ...
Ana Beatriz N. Ribeiro   +6 more
doaj   +3 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

Shell characterization of the youngest valid species of the European Eocene genus Neochelys (Pleurodira, Podocnemididae): The Spanish Bartonian Neochelys salmanticensis. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract The freshwater pleurodiran turtle Neochelys is the best‐represented member of Podocnemididae in the European record, being known by eight Eocene species. The youngest of them is the Bartonian (middle Eocene) Neochelys salmanticensis, from the Duero Basin (Salamanca Province, Central Spain).
Pérez-García A   +3 more
europepmc   +2 more sources

Interdependencies between Indigenous peoples, local communities, and freshwater systems in a changing Amazon. [PDF]

open access: yesConserv Biol
Abstract Globally, Indigenous peoples and local communities (IPs and LCs) are fighting for the recognition of their knowledge and decision‐making authority in freshwater conservation. In the Amazon, decision‐making around freshwater management and conservation has often overlooked Indigenous and local knowledge (ILK) and the connections between ...
Athayde S   +8 more
europepmc   +2 more sources

Laparoscopic Anatomy of the Coelomic Cavity Organs in Female Red-Eared Slider (<i>Trachemys scripta Elegans</i>). [PDF]

open access: yesVet Med Int
Background: Turtles are one of the oldest reptiles and have evolved about 200 million years ago. One of them is the red‐eared slider (Trachemys scripta). These freshwater turtles are native to the southern United States and northern Mexico. However, they have become popular pets in Iran and many countries around the world. Due to being non‐native, they
Pedram S   +7 more
europepmc   +2 more sources

Home - About - Disclaimer - Privacy