Climate change hastens population extinctions.

  title={Climate change hastens population extinctions.},
  author={John F. McLaughlin and Jessica J. Hellmann and Carol L. Boggs and Paul R. Ehrlich},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={99 9},
Climate change is expected to alter the distribution and abundance of many species. Predictions of climate-induced population extinctions are supported by geographic range shifts that correspond to climatic warming, but few extinctions have been linked mechanistically to climate change. Here we show that extinctions of two populations of a checkerspot butterfly were hastened by increasing variability in precipitation, a phenomenon predicted by global climate models. We model checkerspot… CONTINUE READING
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