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 tracked vegetation changes at ...

The Arctic tundra is now emitting more carbon dioxide ... emphasizing numerous changes affecting both ecosystems and human communities. The thawing permafrost is a significant factor in this ...

Observed ecosystem-level changes in the Arctic include the disappearance of essential ... which has been linked to declines of the smaller, less dominant tundra-dwelling Arctic fox. DECLINES AND ...

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’.

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 ...

Fetcher and his students are processing the results of their Arctic visit. He is the principal investigator on a research team awarded a $1 million grant from the National Science Foundation for a ...

Sweden’s northern landscapes host unique ecosystems that are rich in biodiversity from sprawling forests to vast wetlands and ...

This sea ice is the foundation of an entire ecosystem ... Area is not immune to climate change. As the Arctic summer grows longer and warmer, tundra shrubs grow taller and the Arctic becomes ...

The snowy white tundra swan breeds in the Arctic and migrates many miles to winter on North America's Atlantic and Pacific coastlines, bays, and lakes. The eastern population frequents the ...