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  2. High Arctic tundra - Wikipedia

    en.wikipedia.org/wiki/High_Arctic_tundra

    The Canadian High Arctic Tundra ecoregion encompasses most of the northern Arctic archipelago, ... The maximum elevation is 1,633 metres (5,358 ft).

  3. Tundra - Wikipedia

    en.wikipedia.org/wiki/Tundra

    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 ...

  4. Canadian Arctic tundra - Wikipedia

    en.wikipedia.org/wiki/Canadian_Arctic_Tundra

    Elevation: max. 2,500 m (8,200 ft) ... The Canadian Arctic tundra is a biogeographic designation for Northern Canada's terrain generally lying north of the tree line ...

  5. Tree line - Wikipedia

    en.wikipedia.org/wiki/Tree_line

    The arctic forest–tundra transition zone in northwestern Canada varies in width, perhaps averaging 145 kilometres (90 mi) and widening markedly from west to east, [23] in contrast with the telescoped alpine timberlines. [17] North of the arctic tree line lies the low-growing tundra, and southwards lies the boreal forest.

  6. Arctic coastal tundra - Wikipedia

    en.wikipedia.org/wiki/Arctic_coastal_tundra

    Elevation: 0–150 metres (0–492 ft) Geology: coastal plain: Rivers: ... The Arctic coastal tundra is an ecoregion of the far north of North America, ...

  7. The Arctic is changing. And not for the better, scientists say

    www.aol.com/arctic-changing-not-better...

    The Arctic tundra, a critical “carbon sink” for thousands of years, is now releasing more of the greenhouse gas than it takes in, scientists have announced. Carbon sinks like the Arctic play ...

  8. Arctic tundra becoming a source of carbon dioxide emissions ...

    www.aol.com/news/arctic-tundra-becoming-source...

    A focus of the latest Arctic evaluation was the effects of warmer weather and wildfires on the tundra, a far-northern biome that's typically known for extreme cold, little precipitation and a ...

  9. Kalaallit Nunaat Arctic Steppe - Wikipedia

    en.wikipedia.org/wiki/Kalaallit_Nunaat_Arctic_Steppe

    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.