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  2. Tundra of North America - Wikipedia

    en.wikipedia.org/wiki/Tundra_of_North_America

    The Tundra of North America is a Level I ecoregion of North America designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. One of the planet's most recent biomes , a result of the last ice age only 10,000 years ago, the tundra contains unique flora and fauna formed during the last glaciation ...

  3. Alpine tundra - Wikipedia

    en.wikipedia.org/wiki/Alpine_tundra

    Alpine tundra is a type of natural region or biome that does not contain trees because it is at high elevation, with an associated harsh climate. As the latitude of a location approaches the poles, the threshold elevation for alpine tundra gets lower until it reaches sea level, and alpine tundra merges with polar tundra .

  4. 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.

  5. Rangeland - Wikipedia

    en.wikipedia.org/wiki/Rangeland

    [15] There are three types of tundra: Arctic tundra, [16] alpine tundra, [16] and Antarctic tundra [17] In tundra, the vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or ...

  6. Arctic ecology - Wikipedia

    en.wikipedia.org/wiki/Arctic_ecology

    The short (3–4 month) growing season in boreal forests is sustained by greater levels of rainfall than the tundra receives (between 30 and 85 cm or 12 and 33 in per year). This biome is dominated by closed canopy forests of evergreen conifers, especially spruces, fir, pine and tamarack with some diffuse-porous hardwoods.

  7. Sustainable management - Wikipedia

    en.wikipedia.org/wiki/Sustainable_management

    A manager is a person that is held responsible for the planning of things that will benefit the situation that they are controlling. To be a manager of sustainability, one needs to be a manager that can control issues and plan solutions that will be sustainable, so that what they put into place will be able to continue for future generations.

  8. Biogeoclimatic zones of British Columbia - Wikipedia

    en.wikipedia.org/wiki/Biogeoclimatic_zones_of...

    The Alpine Tundra zone is the harshest and least-populated biozone in the Province. It occupies the high elevations of mountainous areas, and is especially common in the Coast Range . The elevation range of this zone varies by area and is influenced both by latitude and by snowfall: in the extremely snowy southwest it starts at 1,600 metres ...

  9. List of tundra ecoregions - Wikipedia

    en.wikipedia.org/wiki/List_of_tundra_ecoregions

    East Antarctic tundra: Eastern Antarctica: Ellsworth Land tundra: Ellsworth Land: Ellsworth Mountains tundra: Ellsworth Mountains: Enderby Land tundra: Enderby Land: Marie Byrd Land tundra: Marie Byrd Land: North Victoria Land tundra: Victoria Land: Northeast Antarctic Peninsula tundra: Antarctic Peninsula: Northwest Antarctic Peninsula tundra ...