Tundra

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Tundra
Tundra in Greenland
Cairt o arctic tundra shawn in orange
Geography
Aurie 11,563,300 km2 (4,464,600 sq mi)
Climate type ET

In pheesical geografie, a tundra is a biome whaur the tree growth is hindered by law temperaturs an short growin saisons. The term tundra comes through Roushie тундра frae the Kildin Sami wird tūndâr "uplands", "treeless muntain tract".[1] Thare are three types o tundra: arctic tundra,[2] alpine tundra,[2] an antarctic tundra.[3] In a tundra, the vegetation is componed o dwarf shrubs, sedges an grasses, mosses, an lichens. Scattered trees grow in some tundras. The ecotone (or ecological boondary region) atween the tundra an the forest is kent as the tree line or timberline.

References[eedit | eedit soorce]

  1. Aapala, Kirsti. "Tunturista jängälle". Kieli-ikkunat. Archived from the original on 2006-10-01. Retrieved 2009-01-19. 
  2. 2.0 2.1 "The Tundra Biome". The World's Biomes. Retrieved 2006-03-05. 
  3. "Terrestrial Ecoregions: Antarctica". Wild World. National Geographic. Archived from the original on 2011-10-21. Retrieved 2009-11-02.