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Alpine tundra is a type of natural region or biome that does not contain trees because it is at high elevation, with an associated harsh climate. As the latitude of a location approaches the poles, the threshold elevation for alpine tundra gets lower until it reaches sea level, and alpine tundra merges with polar tundra .
Dense montane forests are common at moderate elevations, due to moderate temperatures and high rainfall. At higher elevations, the climate is harsher, with lower temperatures and higher winds, preventing the growth of trees and causing the plant community to transition to montane grasslands and shrublands or alpine tundra. Due to the unique ...
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 tundra, [ 2 ] alpine tundra , [ 2 ] and Antarctic tundra.
The term "montane" in the name of the biome refers to "high elevation", rather than the ecological term that denotes the region below the treeline. This biome includes high elevation ( montane and alpine ) grasslands and shrublands , including the puna and páramo in South America, subalpine heath in New Guinea and East Africa, steppes of the ...
Brooks–British Range tundra: Canada, United States: Davis Highlands tundra: Canada: High Arctic tundra: Canada: Interior Yukon–Alaska alpine tundra: Canada, United States: Kalaallit Nunaat high arctic tundra: Greenland: Kalaallit Nunaat low arctic tundra: Greenland: Low Arctic tundra: Canada: Middle Arctic tundra: Canada: Ogilvie ...
Alpine Tundra in the Coast Range, near Whistler Mountain. The Alpine Tundra zone is the harshest and least-populated biozone in the Province. It occupies the high elevations of mountainous areas, and is especially common in the Coast Range. The elevation range of this zone varies by area and is influenced both by latitude and by snowfall: in ...
These biotic zones include montane forest dominated by conifers such as Jeffrey pine and Lodgepole pine, subalpine forest dominated by whitebark pine, up to alpine tundra which cannot support trees. [20] The Sierra are also notable for giant sequoia trees: the most massive on earth. [21]
Alpine plants occur in a tundra: a type of natural region or biome that does not contain trees. Alpine tundra occurs in mountains worldwide. Alpine tundra occurs in mountains worldwide. It transitions to subalpine forests below the tree line; stunted forests occurring at the forest-tundra ecotone are known as Krummholz .