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Animal Biodiversity and Conservation. Volume 28.1 (2005) Pages: 59-67

Climate change and amphibians

Corn, P. S.

DOI: https://doi.org/10.32800/abc.2005.28.0059

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Abstract

Amphibian life histories are exceedingly sensitive to temperature and precipitation, and there is good evidence that recent climate change has already resulted in a shift to breeding earlier in the year for some species. There are also suggestions that the recent increase in the occurrence of El Niño events has caused declines of anurans in Central America and is linked to elevated mortality of amphibian embryos in the northwestern United States. However, evidence linking amphibian declines in Central America to climate relies solely on correlations, and the mechanisms underlying the declines are not understood. Connections between embryo mortality and declines in abundance have not been demonstrated. Analyses of existing data have generally failed to find a link between climate and amphibian declines. It is likely, however, that future climate change will cause further declines of some amphibian species. Reduced soil moisture could reduce prey species and eliminate habitat. Reduced snowfall and increased summer evaporation could have dramatic effects on the duration or occurrence of seasonal wetlands, which are primary habitat for many species of amphibians. Climate change may be a relatively minor cause of current amphibian declines, but it may be the biggest future challenge to the persistence of many species.

Keywords

Amphibians, Amphibian decline, Breeding phenology, Global climate change

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Corn, P. S., 2005. Climate change and amphibians. Animal Biodiversity and Conservation, 28: 59-67, DOI: https://doi.org/10.32800/abc.2005.28.0059

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