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Biogeography, changing climates, and niche evolution

This paper serves as an introduction to the Arthur M. Sackler Colloquium of the National Academy of Sciences, “Biogeography, Changing Climates, and Niche Evolution” held December 11–13, 2008, at the Arnold and Mabel Beckman Center of the National Academies of Sciences and Engineering in Irvine, CA. The complete program and audio files of most presentations are available on the NAS web site at www.nasonline.org/Sackler_Biogeography. 
 
 
 
The authors declare no conflict of interest. 
 
 
 
This article is a PNAS Direct Submission.