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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 tundra, [2] alpine tundra, [2] and Antarctic tundra. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses ...
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]
The adversity of soil and climatic conditions proves to low production levels, as well as little biomass accumulation due to slow rates of nutrient release in cold and wet soils, specifically as a result of limited nitrogen and phosphorus (Nadelhoffer et al. 1996) Additionally, there are low temperatures and strong winds in the tundra causing most vegetation to be dominated by woody plants ...
Regardless of when alpine plants flower, pollinators are often scarce. The activity of pollinators decreases with increasing elevation. [17] The most common pollinators in the alpine zone are bumblebees and flies. [17] Plants utilize different strategies to deal with these limits, including alternate flowering time and clonal propagation.
Arctic ecology is the scientific study of the relationships between biotic and abiotic factors in the arctic, the region north of the Arctic Circle (66° 33’N). [1] This region is characterized by two biomes: taiga (or boreal forest) and tundra. [2]
The Magellanic moorland or Magellanic tundra (Spanish: Tundra magallánica) is an ecoregion on the Patagonian archipelagos south of latitude 48° S. It is characterized by high rainfall with a vegetation of scrubs , bogs and patches of forest in more protected areas.
Reindeer are a type of deer that has evolved to endure harsh winters in freezing climates. They are the only deer species with hair completely covering their nose. This helps warm incoming cold ...
The ecoregion to the south along the length is the High Arctic tundra, which is much drier (averaging only 100 mm/year of precipitation compared to the 400–600 mm/year in the Davis Highlands). [ 4 ]
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