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Nunavut. The Canadian territory of Nunavut lies mainly in the North American Arctic and covers about 1,994,071 km 2 (769,915 sq mi) (1,836,994 km 2 [709,267 sq mi] land [1] and 157,077 km 2 [60,648 sq mi] water [2]) of land and water including part of the mainland, most of the islands in the Arctic Archipelago, and all of the islands in Hudson Bay, James Bay, and Ungava Bay (including the ...
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The Canadian Arctic tundra is a biogeographic designation for Northern Canada's terrain generally lying north of the tree line or boreal forest, [2] [3] [4] that corresponds with the Scandinavian Alpine tundra to the east and the Siberian Arctic tundra to the west inside the circumpolar tundra belt of the Northern Hemisphere.
This is a hilly area that lies between the boggier Arctic coastal tundra to the north and the Brooks Range to the south, and stretching from the Chukchi Sea east across northern Alaska to the border with Canada's Yukon Territory. The Noatak River valley is the only forested area. [2]
The coastal bands north of this are in the Kalaallit Nunaat high arctic tundra ecoregion. The coast is rugged, with a mean elevation of 561 metres (1,841 ft), with deep inlets from the sea. The coast is rugged, with a mean elevation of 561 metres (1,841 ft), with deep inlets from the sea.
The ecoregion has very little human habitation, and most of the non-ice terrain is moss and lichen cover. The region supports viable populations of arctic mammals such as muskox, arctic wolves, arctic foxes, arctic hares, polar bears, and caribou. [2] [4] [5] [6]
According to the US Energy Information Administration, the arctic tundra holds an estimated 13% or 90 billion barrels of the world's undiscovered conventional oil sources. However, there are a number of challenges to oil exploration, drilling, and transportation in an arctic tundra environment that limits the profitability of the venture. [15]
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, [2] Alpine, [2] and Antarctic. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and lichens ...
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