Photons filter down through the atmosphere and are eagerly absorbed by light-powered organisms such as plants and algae ... barely reaches. Every winter in the high Arctic, for example, the ...

Permafrost — the permanently frozen ground that underlies much of the Arctic land surface — is thawing in many parts of the Arctic. [1] As permafrost thaws, it releases the powerful greenhouse gas ...

KS2 Geography. Biomes. A short video for pupils aged 7 to 11 investigating two of Earth's major biomes - savannahs and ...

a plant indigenous to tundra ecosystems in Alaska. Wilkes undergraduates are participating in the project as field assistants, spending up to 10 weeks during the summer at the Toolik Lake Field ...

They analyzed the communities, typical for the local sub-Arctic tundra ... trigger soil erosion processes: the tundra's upper cover, being left without plant protection, warms up faster and ...

Right now, in March, Tundra Swans are beginning to journey north toward their breeding grounds in the arctic region of North America. There, they nest on marshy tundra lakes (and yes, it's their ...

That frozen ground would seem to stall microbes — especially in winter ... Arctic tundra a carbon sink, a place where more carbon is stored in frozen ground and new plants than is emitted.

The average winter temperatures can be below -30C ... Wildlife presenter Ferne Corrigan takes a look at the Arctic tundra and how plants and animals have adapted to live in this biome.