Results 31 to 40 of about 409 (139)

The conservation status of the herpetofauna of Honduras [PDF]

open access: yes, 2010
The conservation status of the members of the Honduran herpetofauna is discussed. Based on current and projected future human population growth, it is posited that the entire herpetofauna is endangered.
McCranie, James R., Wilson, Larry David
core  

A Survey of Organochlorine Pesticide Contamination in Costa Rican Wildlife [PDF]

open access: yes, 2000
Amphibians, turtles, rodents, and birds collected from a tropical conservation area in northwestern Costa Rica where pesticides are not directly applied were analyzed for organochlorine (OC) pesticide contamination.
Wieland \u2700, Mark
core   +1 more source

First green now blue: first case of axanthism in Smilisca baudinii (Duméril and Bibron, 1841) (Amphibia: Anura) [PDF]

open access: yes, 2020
Cases of pigmentary abnormalities have been documented in several amphibians and reptiles. These abnormalities have been classified as leucism, albinism, melanism and axanthism, among others.
Fuentes-Moreno, Axel   +1 more
core  

Factores abióticos y bióticos determinantes para la presencia de Batrachochytrium dendrobatidis en anfibios mexicanos [PDF]

open access: yes, 2019
We evaluated the presence of Batrachochytrium dendrobatidis (Bd) in 13 Mexican amphibians associated to abiotic and biotic factors as a species distribution model by a classification and regression tree (CART). Chytrid fungus was diagnosed from cutaneous
Brousset, Dulce María   +2 more
core   +2 more sources

[Meiotic chromosomes of the tree frog Smilisca baudinii (Anura: Hylidae)].

open access: yesRevista de biologia tropical, 2011
The Mexican tree frog Smilisca baudinii, is a very common frog in Central America. In spite their importance to keep the ecological equilibrium of the rainforest, its biology and genetics are poorly known. In order to contribute with its biological knowledge, we described the typical meiotic karyotype based in standard cytogenetic protocols to ...
Javier, Hernández-Guzmán   +2 more
openaire   +1 more source

Axanthism in Pithecopus gonzagai Andrade et al., 2020 (Anura: Phyllomedusidae) [PDF]

open access: yes, 2021
The coloration pattern in wild animals is an important characteristic for survival as well as for intra and interspecific communication, being aberrant colorations rarely observed in vertebrates.
Borges Nojosa, Diva Maria   +3 more
core  

Metal Bioaccumulation and Assemblage Attributes for Anurans in the Sierra de Huautla Biosphere Reserve, Mexico

open access: yesTropical Conservation Science
Background and Research Aims: Morphological and physiological effects of anthropogenic metals have been the focus of several studies in the Sierra de Huautla Biosphere Reserve (REBIOSH, Mexico) but little is known about how they affect anurans in the ...
E. A. Chávez-Ramírez   +4 more
semanticscholar   +1 more source

Amphibians and reptiles of the Calakmul Biosphere Reserve, México, with new records [PDF]

open access: yes, 2015
We provide a list of amphibians and reptiles of the Calakmul Biosphere Reserve in the southern half of the Mexican Yucatan, in the state of Campeche. The study area was sampled through opportunistic, transect and pitfall trap surveys conducted for three ...
Adam Radage   +11 more
core   +1 more source

Diversidad de anfibios y reptiles silvestres en un agroecosistema de El Salvador:: implicaciones socioecológicas [PDF]

open access: yes, 2023
The study area is a small, isolated fragment of medium subdeciduous forest, immersedin extensive fields of rice, beans, sugar cane and pastures, owned by smallholders, t enantfarmers and cooperatives. It is located on the border strip between the coastal
Paz Quevedo , Oscar Wilfredo
core   +1 more source

Neotropical tadpoles:spatial and temporal distribution and habitat use in a seasonal lake in Veracruz, Mexico [PDF]

open access: yes, 2002
We studied a tadpole assemblage in a seasonal neotropical lake where 14 species of anurans reproduce. Tadpoles were collected monthly at nine sampling stations at depth intervals of 1 m from the surface to the bottom (13 m).
Benitez, Jose Louis Villarreal   +3 more
core  

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