Arctic vegetation spread could boost climate change

PhysOrg: Changes in Arctic vegetation due to climate change have probably been underestimated, according to a new computer analysis which shows that tree and shrub cover in the region will increase more than previously expected, accelerating climate change and possible adverse effects on wildlife. "Such widespread redistribution of Arctic vegetation would have impacts that reverberate through the global ecosystem," said Richard Pearson, a research scientist at the American Museum of Natural History's Center......

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