This warming stimulates plant growth ... emissions north of the Arctic Circle. When accounting for emissions from these wildfires, the report card found that the Arctic tundra has shifted from ...

The growth of woody plants in Arctic tundra regions affects more than caribou ... Over the decades, most collared caribou spend summers north of the river and winters south of it, though in ...

The Arctic tundra ... wildfires, plant and microbial changes, and thawing permafrost. Permafrost is ground that is permanently frozen, which is common in places near the North and South Poles.

The diversity of local communities in Yakutia's north dropped by about 30% after ... They analyzed the communities, typical for the local sub-Arctic tundra. "The fire has destroyed almost the ...

For millennia, the Arctic-boreal zone has acted as a critical carbon reservoir, locking away vast amounts of carbon dioxide ...

Parts of the Arctic tundra are now releasing more planet-warming ... Once it thaws, scientists warn long-dead plant matter can decompose and release massive amounts of planet-warming carbon ...

The arctic tundra encircles the North Pole, extending from the frozen ... leaving muddy pools of water. Some plants and vegetation do grow here. The bearberry plant has had to evolve to survive ...