Global warming is producing a rapid loss of plant species—according to estimates, roughly 600 plant species have died out ...

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 ...

The Arctic tundra now releases more carbon than ... 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 ...

wildfires in the Arctic have increased in burned area, intensity, and associated carbon emissions, playing a central role in the tundra's transition to a net carbon source. "By burning vegetation ...

The temporal and spatial snow cover dynamics is the primary factor controlling the plant communities' composition and biogeochemical cycles in arctic and alpine tundra. However, the relationships ...

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’.

Even though his recent years’ work in Arctic Alaska has been focused on plants, he said encountering willows and other woody plants covering what used to be open tundra west of the Dalton ...

The snowy white tundra swan breeds in the Arctic and migrates many miles to ... feed by dipping their heads underwater to pluck aquatic plants, tubers, and roots. They also eat shellfish and ...