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Canada's boreal forest is a vast region comprising about one third of the circumpolar boreal forest that rings the Northern Hemisphere, mostly north of the 50th parallel. [1] Other countries with boreal forest include Russia , which contains the majority; the United States in its northernmost state of Alaska ; and the Scandinavian or Northern ...
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] Insects play a critical role as pollinators, decomposers, and as a part of the ...
[11] [12] The initial effects of climate change on the boreal ecosystem can include, but are not limited to, changes in temperature, rainfall, and growing season. [13] Based on studies from the boreal ecosystems in the Yukon, a territory in northwestern Canada, climate change is having an impact on these abiotic factors. [13]
The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of an ocean, generally at latitudes from 50°N to 70°N, poleward of the humid continental climates .
Perhaps the most significant effect of climate change on the boreal region is the increase in the severity of disturbance regimes, particularly fire and insect outbreaks. Fire is the dominant type of disturbance in boreal North America, but the past 30-plus years have seen a gradual increase in fire frequency and severity as a result of warmer ...
Boreal forests/taiga: Muskwa–Slave Lake forests: Alberta, British Columbia, Northwest Territories: Boreal forests/taiga: Newfoundland Highland forests: Newfoundland and Labrador: Boreal forests/taiga: Northern Canadian Shield taiga: Alberta, Manitoba, Northwest Territories, Nunavut, Saskatchewan: Boreal forests/taiga: Northern Cordillera forests
The climate is cool and wet and the coast is subject to heavy fog, especially on the Strait of Belle Isle between Labrador and Newfoundland for example. The Central Canadian Shield forests ecoregion lies inland to the west and has more black spruce than the balsam fir that are the dominant tree in this ecoregion. [2]
The forests are equally spread geographically between east and west. Because of the forest's great size, and because of differing climate and soils, North America is favored by a rich variety of these "evergreens". This forest supports four times as many tree species as Europe does.