An active layer of permafrost is the only layer of soil that can support plant life in the Arctic tundra, which lacks ... During the winter, the opposite occurs, and the entire landscape is ...

Swells of Siberian tundra roll north toward the Arctic Ocean; a reindeer herd grazes ... “Our reindeer were too weak for the long journey.” In the winter of 2013-14, an unusual warm spell ...

The average winter temperatures can be below -30C ... Wildlife presenter Ferne Corrigan takes a look at the Arctic tundra and how plants and animals have adapted to live in this biome.

They analyzed the communities, typical for the local sub-Arctic tundra ... trigger soil erosion processes: the tundra's upper cover, being left without plant protection, warms up faster and ...