Biomes

There are three major ecosystems that are arrayed from north to south- tundra, taiga, and steppe, as well as transition zones like the Forest-Steppe region.

Tundra: the treeless zone that lies between the ice cap and the timber line of North America and Eurasia and having a permanently frozen subsoil (permafrost)

Taiga: Russian Boreal Forest, largest forest of its kind anywhere in the world

Forest-Steppe: transitional belt that lies between the forest and the southern steppe

Steppe: dry grasslands

Semi-desert: mostly south of Siberia in parts of Central Asian Republics

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Climatic Zones

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