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A boreal ecosystem is an ecosystem with a subarctic climate located in the Northern Hemisphere, approximately between 50° and 70°N latitude. These ecosystems are commonly known as taiga and are located in parts of North America , Europe , and Asia . [ 1 ]
Brown bears are among the largest and most widespread taiga omnivores. The boreal forest/taiga supports a relatively small variety of highly specialized and adapted animals, due to the harshness of the climate. Canada's boreal forest includes 85 species of mammals, 130 species of fish, and an estimated 32,000 species of insects. [37]
The boreal forest zone consists of closed-crown conifer forests with a conspicuous deciduous element (Ritchie 1987). [4] The proportions of the dominant conifers (white and black spruces, jack pine ( Pinus banksiana Lamb.), tamarack, and balsam fir) vary greatly in response to interactions among climate , [ 5 ] topography , soil , fire , pests ...
This type of forest is also known as taiga, a term which is sometimes applied to the climate found therein as well. Even though the diversity may be low, the area and numbers are high, and the taiga (boreal) forest is the largest forest biome on the planet, with most of the forests located in Russia and Canada.
Terrestrial ecosystems found in the boreal (or taiga) regions of North America and Eurasia cover 17% of the Earth's land surface, and contain more than 30% of all carbon present in the terrestrial biome. [1] In terms of carbon storage, the boreal region consists of three ecosystems: boreal forest, peatland, and tundra. Vast areas of the globe ...
The tundra sub-zone contain one domain, the forest tundra domain. It is the ecotone between the boreal zone and the Arctic zone, and extends roughly from 55° to 58° north. Shrubby heathland with shrubs and lichens has patches of forest in sheltered sites, mainly stunted black spruce less than 3 metres (10 ft) high.
It is also found on parts of the Fundy coast in Maine and the Maritimes, the northern parts of this ecoregion where the summers are cool. The coniferous forest goes by many names, including: Boreal forest, fir-spruce forest, the North Woods, and the taiga. It is noted in New England for its "harsh" conditions such as cold, subarctic ...
The region is on the divide between European and Asian ecoregions, and also the meeting point of tundra and taiga. It is in the Palearctic realm, and mostly in the Boreal forests/taiga ecoregion with a Humid continental climate, cool summer climate. It covers 174,565 km 2 (67,400 sq mi). [1]