Researchers at Columbia University's Department of Earth and Environment Science have discovered new implications for the Arctic ... with low temperatures. These results show that shrub presence ...

The last nine years have been the warmest ever recorded in the Arctic ... the new shrubs are also crowding out the lichens that serve as the primary food source for the tundra’s migratory ...

Tundra Cold, dry climates found almost entirely in the far north of the planet. Permafrost prevents trees from growing, but low-lying plants such as mosses thrive. Reindeer and Arctic foxes live here.

They analyzed the communities, typical for the local sub-Arctic tundra. "The fire has destroyed ... Among the pioneer plants that were the first to appear on the wildfire sites, also was ...