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Elucidating mechanisms underlying amphibian declines in North America using hierarchical spatial models

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Award Date
2014

Summary

Amphibian populations are declining globally at unprecedented rates but statistically rigorous identification of mechanisms is lacking. Identification of reasons underlying large-scale declines is imperative to plan and implement effective conservation efforts. Most research on amphibian population decline has focused on local populations and local factors. However, the ubiquity of declines across species and landscapes suggests that causal factors at a broader scale are also important. Elucidation of the mechanisms driving population change has lagged, mainly because data have been unavailable at continental scales. We propose to address this need by assembling data to answer questions about broad-scale drivers of amphibian decline. [...]

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Boreal toad 1.jpg thumbnail 1.28 MB image/jpeg
Chorus frog 1.jpg thumbnail 2.34 MB image/jpeg
IMG_8272.JPG thumbnail 975.08 KB image/jpeg
Woodhouse toad 4.jpg thumbnail 847.99 KB image/jpeg
Woodhouse toad eating a worm 1.jpg thumbnail 1.31 MB image/jpeg

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  • John Wesley Powell Center for Analysis and Synthesis

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