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Does the loss of genetic variability in small populations contribute to their extinction? SoulA© comments on this question in his Perspective, referring to new data from a long-term study of the declining population of the Illinois prairie chicken (Westemeier et al .) on p. 16951 of this issue. Results from this study indicate that inbreeding depression does in fact exacerbate the likelihood of extinction. 1: http://www.sciencemag.org/cgi/content/short/282/5394/1695
Soulé et al. (Fri,) studied this question.
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