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Endangered toads in the Rockies

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Citation

Paul Stephen Corn, 2003, Endangered toads in the Rockies: Aldo Leopold Wilderness Research Institute.

Summary

The western toad species complex, endemic to western North America, includes two montane species that have undergone extensive declines. These are the Yosemite toad, Bufo canorus, in the Sierra Nevada, and the southern Rocky Mountain populations of the boreal toad, B. borea. Most declines in the Rockies appear to have occurred before 1980, but a recent episode in Rocky Mountain National Park illustrates the rapidity and severity with which populations of toads can succumb, and that the phenomenon is still occurring. Causes of these declines, with experimental or observational support, include increasing ultraviolet radiation; disease; and interactions among several factors. However, significant questions about the generality of each [...]

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Type Scheme Key
local-index unknown 70160015
local-pk unknown 70160015

Citation Extension

conferenceEcological and earth sciences in mountain areas
parts
typePublication Place
valueMissoula, MT
languageEnglish
citationTypeConference Paper

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