Tag: permafrost

June 22, 2021

Wolverines den in caves formed in permafrost

Wolverines use deep fissures in the Arctic permafrost as dens, photos have revealed. “After we found three of them, it seemed like enough of a pattern to start sharing it,”...

July 29, 2020

Beaver engineering may speed up Alaska’s permafrost loss

Beavers are expanding their ranges deeper into Alaska, and their ecosystem engineering may be speeding up the melting of Alaska’s permafrost. “One major take home from our paper is that,...

December 20, 2017

The latest culprit in Arctic warming — beavers

Humans may not be the only culprits in climate change. The New York Times reports that as the arctic warms, beavers (Castor canadensis) are expanding their range north. The dams...