نتایج جستجو برای: amphibians

تعداد نتایج: 7922  

2018
Gert Berger Frieder Graef Bernhard Pallut Jörg Hoffmann Carsten A. Brühl Norman Wagner

Citation: Berger G, Graef F, Pallut B, Hoffmann J, Brühl CA and Wagner N (2018) How Does Changing Pesticide Usage Over Time Affect Migrating Amphibians: A Case Study on the Use of Glyphosate-Based Herbicides in German Agriculture Over 20 Years. Front. Environ. Sci. 6:6. doi: 10.3389/fenvs.2018.00006 How Does Changing Pesticide Usage Over Time Affect Migrating Amphibians: A Case Study on the Use...

Journal: :Proceedings of the National Academy of Sciences 1971

Journal: :Environmental Science & Technology 2003

2016
Julio A. Lemos-Espinal Geoffrey R. Smith Alexander Cruz

We compiled a check list of the herpetofauna of Nuevo León. We documented 132 species (23 amphibians, 109 reptiles), representing 30 families (11 amphibians, 19 reptiles) and 73 genera (17 amphibians, 56 reptiles). Only two species are endemic to Nuevo León. Nuevo León contains a relatively high richness of lizards in the genus Sceloporus. Overlap in the herpetofauna of Nuevo León and states it...

2010
Charles T. Hanifin

Tetrodotoxin (TTX) is widely distributed in marine taxa, however in terrestrial taxa it is limited to a single class of vertebrates (Amphibia). Tetrodotoxin present in the skin and eggs of TTX-bearing amphibians primarily serves as an antipredator defense and these taxa have provided excellent models for the study of the evolution and chemical ecology of TTX toxicity. The origin of TTX present ...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2016
Karen R Lips

Chytridiomycosis is an emerging infectious disease of amphibians that affects over 700 species on all continents where amphibians occur. The amphibian-chytridiomycosis system is complex, and the response of any amphibian species to chytrid depends on many aspects of the ecology and evolutionary history of the amphibian, the genotype and phenotype of the fungus, and how the biological and physic...

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