The tundra biome contains only about 3% of the world’s flora. Up to 60% of the flora can be made up of long-lived hemicryptophytes. Windy conditions and low temperatures select for low growing ...

What factors control "flipping" from greening to browning (or vice versa) in tundra ecosystems and at what timescales is this occurring? · Can we predict future northern latitude vegetation dynamics ...

This shift is partly due to giant polar wildfires burning down tundra vegetation and all the carbon it's stored. It's also because of permafrost thaw, which releases large amounts of methane — a ...

But is that really happening? I am a biologist who focuses on the response of ecosystems to climate change including tundra ecosystems. For the past five years, my colleagues, students and I have ...

A third of the Arctic is now emitting climate-changing greenhouse gasses after thousands of years of storing them, according ...

In July, the Mount Rainier white-tailed ptarmigan was officially listed as threatened by the U.S. Fish and Wildlife Service (FWS) under the Endangered Species Act (ESA), 14 years after the Center for ...

For caribou, growth of woody plants like alders and willows means problems. Caribou depend on tundra plants like lichen and mosses; the shrubs and trees taking over the terrain are reducing the ...

Tundra as a biome is defined by its lack of trees due to consistently cold temperatures and short growing seasons. There are three main classifications of tundra: arctic, Antarctic, and alpine ...

But how has the environment shaped the landscape and this biome? Lapland is a region of northern Scandinavia - part of the Arctic tundra. In Finnish the word ‘tundra’ means ‘treeless plain’.