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ScienceDaily (Feb. 19, 2012) — Global warming has forced alpine chipmunks in Yosemite to higher ground, prompting a startling decline in the species‘ genetic diversity, according to a new study by researchers at the University of California, Berkeley.
The study, appearing Feb. 19, in the advance online publication of the journal Nature Climate Change, is one of the first to show a hit to the genetic diversity of a species because of a recent climate-induced change in the animals’ geographic range. What’s more, the genetic erosion occurred in the relatively short span of 90 years, highlighting the rapid threat changing climate can pose to a species.
With low genetic diversity a species can be more vulnerable to the effects of inbreeding, disease and other problems that threaten species survival, the researchers said. Keep Reading
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