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Type: Journal article
Title: Measuring the Meltdown: Drivers of Global Amphibian Extinction and Decline
Author: Sodhi, N.
Bickford, D.
Diesmos, A.
Lee, T.
Koh, L.
Brook, B.
Sekercioglu, C.
Bradshaw, C.
Citation: PLoS One, 2008; 3(2):1-8
Publisher: Public Library of Science
Issue Date: 2008
ISSN: 1932-6203
Statement of
Navjot S. Sodhi, David Bickford, Arvin C. Diesmos, Tien Ming Lee, Lian Pin Koh, Barry W. Brook, Cagan H. Sekercioglu and Corey J. A. Bradshaw
Abstract: Habitat loss, climate change, over-exploitation, disease and other factors have been hypothesised in the global decline of amphibian biodiversity. However, the relative importance of and synergies among different drivers are still poorly understood. We present the largest global analysis of roughly 45% of known amphibians (2,583 species) to quantify the influences of life history, climate, human density and habitat loss on declines and extinction risk. Multi-model Bayesian inference reveals that large amphibian species with small geographic range and pronounced seasonality in temperature and precipitation are most likely to be Red-Listed by IUCN. Elevated habitat loss and human densities are also correlated with high threat risk. Range size, habitat loss and more extreme seasonality in precipitation contributed to decline risk in the 2,454 species that declined between 1980 and 2004, compared to species that were stable (n = 1,545) or had increased (n = 28). These empirical results show that amphibian species with restricted ranges should be urgently targeted for conservation.
Keywords: Animals; Humans; Bayes Theorem; Ecosystem; Population Density; Population Dynamics; Extinction, Biological; Amphibians
Description: © 2008 Sodhi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
RMID: 0020082873
DOI: 10.1371/journal.pone.0001636
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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