Tag: tundra

December 21, 2021

Beavers expanding into Arctic, transforming the tundra

Beavers are heading northward, and they’re having a significant impact on the landscape in northern Canada and Alaska. That’s one of the findings highlighted in the Arctic Report Card 2021,...

January 18, 2017

Could reindeer be slowing climate change?

As the climate warms and permafrost thaws, some tundra dwellers might be helping cool the planet. By grazing heavily and decreasing the height and prevalence of shrubs, reindeer (Rangifer tarandus)...