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  2. Tundra - Wikipedia

    en.wikipedia.org/wiki/Tundra

    Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens. Scattered trees grow in some tundra regions. Scattered trees grow in some tundra regions. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline.

  3. Tundra of North America - Wikipedia

    en.wikipedia.org/wiki/Tundra_of_North_America

    By adapting to these harsh conditions, animals and plants represent iconic characteristics of the tundra. Plants grow in aggregated formations which provide shelter from wind, and ice and also improve seed success. [1] Animals have adapted with specialized organs, such as a rete mirabile, an organ that efficiently transfers heat.

  4. Taiga - Wikipedia

    en.wikipedia.org/wiki/Taiga

    Taiga or tayga (/ ˈ t aɪ ɡ ə / TY-gə; Russian: тайга́, IPA:), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches.

  5. Arctic ecology - Wikipedia

    en.wikipedia.org/wiki/Arctic_ecology

    Compared to the tundra, boreal forest has a longer and warmer growing season and supports increased species diversity, canopy height, vegetation density, and biomass. Unlike the tundra, which is characterized by a lack of trees and tall vegetation, [ 45 ] boreal forests support a number of different tree species. [ 46 ]

  6. Rangeland - Wikipedia

    en.wikipedia.org/wiki/Rangeland

    The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands," "treeless mountain tract." [15] There are three types of tundra: Arctic tundra, [16] alpine tundra, [16] and Antarctic tundra [17] In tundra, the vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow ...

  7. Forest - Wikipedia

    en.wikipedia.org/wiki/Forest

    This vegetation is variously called open taiga, open lichen woodland, and forest tundra. A savanna is a mixed woodland–grassland ecosystem characterized by the trees being sufficiently widely spaced so that the canopy does not close.

  8. Taiga of North America - Wikipedia

    en.wikipedia.org/wiki/Taiga_of_North_America

    The Canadian lynx is one well-known animal to inhabit the North American taiga region and is listed as threatened in the U.S. The mother lynx will have a litter of about 4 kittens in the spring. Following the birth, the female is the sole caretaker, nursing them for about 5 months and teaching them to hunt.

  9. Arctic vegetation - Wikipedia

    en.wikipedia.org/wiki/Arctic_vegetation

    Arctic vegetation is largely controlled by the mean temperature in July, the warmest month. Arctic vegetation occurs in the tundra climate, where trees cannot grow.Tundra climate has two boundaries: the snow line, where permanent year-round snow and ice are on the ground, and the tree line, where the climate becomes warm enough for trees to grow. [7]