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Posted Mon Dec 27 2010: from
NPR:
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Small Beetles Massacre The Rockies' Whitebark Pines http://apocadocs.com/s.pl?1293462058
The Whitebark pine trees in the high-elevation areas of America's Northern Rockies have stood for centuries. But these formerly lush evergreen forests are disappearing at an alarmingly fast rate; what remains are eerie stands of red and gray snags.
Warmer climates have sparked an outbreak of a voracious mountain pine beetle that is having devastating consequences for whitebarks and the wildlife that depend on them... As entomologist Jesse Logan looks up at snow-covered slopes speckled with skeletons of dead trees, he says the massacre is happening faster than even he expected. More than a decade ago, Logan predicted that with global warming, these tiny, ravenous beetles would start to thrive here. At the time, other insect experts were skeptical. But in recent years, winter cold snaps haven't been nearly as brutal as usual.
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[Read more stories about:
anthropogenic change, faster than expected, forests, invasive species]
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