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Título

Erosion of Lizard Diversity by Climate Change and Altered Thermal Niches

Autor Sinervo, Barry; De la Riva, Ignacio
Fecha de publicación 2010
EditorAmerican Association for the Advancement of Science
Citación Science 328: 894–899 (2010)
ResumenIt is predicted that climate change will cause species extinctions and distributional shifts in coming decades, but data to validate these predictions are relatively scarce. Here, we compare recent and historical surveys for 48 Mexican lizard species at 200 sites. Since 1975, 12% of local populations have gone extinct. We verified physiological models of extinction risk with observed local extinctions and extended projections worldwide. Since 1975, we estimate that 4% of local populations have gone extinct worldwide, but by 2080 local extinctions are projected to reach 39% worldwide, and species extinctions may reach 20%. Global extinction projections were validated with local extinctions observed from 1975 to 2009 for regional biotas on four other continents, suggesting that lizards have already crossed a threshold for extinctions caused by climate change.
Versión del editorhttp://dx.doi.org/10.1126/science.1184695
URI http://hdl.handle.net/10261/118078
DOI10.1126/science.1184695
ISSN0036-8075
E-ISSN1095-9203
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