Results 121 to 130 of about 4,340 (218)

Population demography of an endangered lizard, the Blue Mountains Water Skink. [PDF]

, 2013
BACKGROUND: Information on the age structure within populations of an endangered species can facilitate effective management. The Blue Mountains Water Skink (Eulamprus leuraensis) is a viviparous scincid lizard that is restricted to < 40 isolated ...
Chevalley, M., Dehling, M.J., Dubey, S., Shine, R., Sinsch, U.   +4 more
core   +2 more sources

Vulnerability of Giant South American Turtle (Podocnemis expansa) nesting habitat to climate-change-induced alterations to fluvial cycles

, 2016
A change in seasonal flooding cycles in the Amazon may negatively impact nesting success of the Giant South American Turtle (Podocnemis expansa). Our aim was to devise a technique that could be replicated in the entire Amazon basin, for monitoring ...
C. C. Eisemberg, R. A. Machado Balestra, Shirley Famelli, F. F. Pereira, Virgínia Campos Diniz Bernardes, Richard Carl Vogt   +5 more
semanticscholar   +1 more source

Jaw musculature during the dawn of turtle evolution [PDF]

, 2018
Using a new approach to study muscle anatomy in vertebrates, the fully differentiated jaw musculature of 42 turtle species was studied and character mappings were performed. Soft tissue arrangements were correlated to the temporal openings (emarginations)
Werneburg, Ingmar
core  

Enterobacteria in free-living and captive Amazon turtles, Podocnemis expansa (Podocnemididae: Testudines)

, 2018
The turtle Podocnemis expansa is an important wildlife species from the Amazon rainforest of Brazil. This also represents an important resource for coastal communities, as it has been historically consumed as food. Nevertheless, besides the sustainability issues, recent concerns have been raised over the health of the animals and possible impacts on ...
Meyer Junior, Julio Cesar, Marinho, Marcia, Taparo, Cilene Vidovix, Costa, Joao Bosco da, Tavares Dias, Hilma Lucia   +4 more
openaire   +2 more sources

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  

Enzymes of energy metabolism in hatchlings of amazonian freshwater turtles (Testudines, Podocnemididae)

Brazilian Journal of Biology
The metabolic profiles of selected tissues were analyzed in hatchlings of the Amazonian freshwater turtles Podocnemis expansa, P. unifilis and P. sextuberculata.
WP. Duncan, JL. Marcon
doaj   +1 more source

A lengthy solution to the optimal propagule size problem in the large-bodied South American freshwater turtle, Podocnemis unifilis [PDF]

, 2018
In oviparous vertebrates lacking parental care, resource allocation during reproduction is a major maternal effect that may enhance female fitness. In general, resource allocation strategies are expected to follow optimality models to solve the energy ...
Adams, Dean, Adams, Dean, Escalona, Tibisay, Valenzuela, Nicole, Valenzuela, Nicole   +4 more
core   +2 more sources

On the diversity and biomass of the reptile fauna in the Central Amazonian rain forest near Manaus

, 1976
Auf einer 10 Hektar großen Untersuchungsfläche im Reqenwald des Reserva Florestal Ducke bei Manaus wurden vom 17. bis 30. Dezember 1964 und 11. bis 18. Januar 1965 40 Reptilienarten (13 Familien) gesammelt.
Müller, P.
core  

Ontogeny of the cranial bones of the giant amazon river turtle Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae) = Ontogenia dos ossos do crânio em tartaruga-da-amazônia Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae)

Acta Scientiarum: Biological Sciences, 2010
In order to determine the normal stages of formation in the sequence of ossification of the cranium of Podocnemis expansa in its various stages of development, embryos were collected starting on the 18th day of natural incubation and were subjected to ...
Lucélia Gonçalves Vieira, André Luiz Quagliatto Santos, Fabiano Campos Lima   +2 more
doaj  

Estudios adicionales sobre los Crocodylia y Testudinata del Alto Caquetá y Río Caguán Estudios adicionales sobre los Crocodylia y Testudinata del Alto Caquetá y Río Caguán

Caldasia, 1969
Se llevaron a cabo estudios adicionales sobre problemas de reproducción de la babilla (Caiman sclerops) y tres especies de tortugas (Podocnemis expansa, Podocnemis unifilis y Phrynops geoffroanus tuberosus).  Los resultados principales son los siguientes:
Medem Federico
doaj