Results 121 to 130 of about 1,866 (199)

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)

open access: yesActa 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   +2 more
doaj  

Analysis of the influence of tourism on nesting beaches for the Amazon turtle (Podocnemis expansa) on the Crixás-Açu river

open access: yesActa Scientiarum: Biological Sciences
Freshwater turtles play an important ecological and social role, with Podocnemis expansa (arrau turtle) being the largest freshwater Testudine in Latin America.
Lívia Schroder Memória Paiva   +5 more
doaj   +1 more source

[Morphologic study of the embryonic development of the Amazonian turtle Podocnemis expansa, Pelomedusidae].

open access: yesRevista brasileira de biologia, 1991
Two egg groups from four clutches of the Amazon turtle, Podocnemis expansa, were incubated at 32-34 degrees C and 35-38 degrees C, respectively. The incubation of the first group lasted approximately 47 days and the second 43 days. To standardize the stages, a series of 25 stages was recorded, based on observation of morphological evolution related to ...
T M, Danni   +2 more
openaire   +1 more source

Use of wild vertebrates for consumption and bushmeat trade in Brazil: a review. [PDF]

open access: yesJ Ethnobiol Ethnomed, 2023
Aragão Silva JA   +4 more
europepmc   +1 more source

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

open access: yes, 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   +4 more
core   +2 more sources

Contribución al conocimiento de la reproducción de Podocnemis Lewyana Dumeril (Reptilia: Quelonia: Pelomedusidae)

open access: yesCaldasia, 1986
En Colombia se encuentran 5 especies del Género Podocnemis : P. expansa, P. lewyana, P. sextuberculata , P. unifilis y P. vogli. De estas P. lewyana es la única que se encuentra en la zona Norte de nuestro país y es endémica para la región que abarca las
Castaño Mora Olga Victoria
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

open access: yesCaldasia, 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  

Hematological and blood chemistry parameters of a Podocnemis vogli and P. unifilis captive population in Colombia. [PDF]

open access: yesFront Vet Sci, 2022
Rodríguez-Almonacid C   +4 more
europepmc   +1 more source

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