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In physical geography, tundra (/ ˈ t ʌ n d r ə, ˈ t ʊ n-/) is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: Arctic, [2] Alpine, [2] and Antarctic. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens ...
The tundra is characterized by a harsh, frost-laden landscape with negative temperatures, a lack of precipitation and nutrients, and extremely short seasons. In the winter it is cold and dark, and in the summer when the snow and the top layer of permafrost melt, it is very soggy and the tundra is covered with marshes, lakes, bogs, and streams.
Alpine tundra occurs at high enough altitude at any latitude.Portions of montane grasslands and shrublands ecoregions worldwide include alpine tundra. Large regions of alpine tundra occur in the North American Cordillera and parts of the northern Appalachian Mountains in North America, the Alps and Pyrenees of Europe, the Himalaya and Karakoram of Asia, the Andes of South America, the Eastern ...
Animals: caribou, bear, wolf, ... Mammal species: 31 [1] Geography; Area: 98,200 km 2 (37,900 sq mi ... The Arctic coastal tundra is an ecoregion of the far north of ...
Geography; Area: 151,800 km 2 ... The Alaska–St. Elias Range tundra is an ecoregion of ... Animals of the area include large brown bears of Denali National Park and ...
The Canadian Arctic tundra is a biogeographic designation for Northern Canada's terrain generally lying north of the tree line or boreal forest, [2] [3] [4] that corresponds with the Scandinavian Alpine tundra to the east and the Siberian Arctic tundra to the west inside the circumpolar tundra belt of the Northern Hemisphere.
Most of us learned about nature and animals in school. But as we step outside the four walls of those classrooms, we realize that the world around us is much more intricate and fascinating than ...
In the south with a marginally relatively milder and wetter climate, the landscape may also feature stands of wood rush and wire rush . [ 6 ] Mammals in the ecoregion include muskox ( Ovibos moschatus ), arctic hare ( Lepus arcticus ), arctic fox ( Alopex lagopus ), caribou ( Rangifer tarandus '), Polar bears ( Ursus maritimus ), and high ...