Antarctic moss a charming but chilling sign of warming

A fleecy clump of moss growing on the Antarctic Peninsula might not seem like much of a sight to behold, but it’s a sign of a climate in flux.

The patch of Polytrichum moss, sampled in 2008 by scientists at Alexander Island’s Lazarev Bay, either did not exist or was slumbering beneath ice when the peninsula was first spotted by Russian sailors in 1820.

But now it is flourishing on ice-free rock — the world’s southernmost such moss bank.

Continues at Grist: http://grist.org/news/antarctic-moss-a-charming-but-chilling-sign-of-warming/

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