enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Tundra of North America - Wikipedia

    en.wikipedia.org/wiki/Tundra_of_North_America

    The tundra is an extremely harsh, cold, windy, and unique ecosystem found on the extreme north and south latitudes of our Earth. The soil consists mostly of frozen permafrost, which makes it difficult for extended root systems to grow, and water to drain and support a wide variety of plant life.

  3. Arctic ecology - Wikipedia

    en.wikipedia.org/wiki/Arctic_ecology

    Arctic ecology is the scientific study of the relationships between biotic and abiotic factors in the arctic, the region north of the Arctic Circle (66° 33’N). [1] This region is characterized by two biomes: taiga (or boreal forest) and tundra. [2]

  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. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses ...

  5. Ecology of the Rocky Mountains - Wikipedia

    en.wikipedia.org/wiki/Ecology_of_the_Rocky_Mountains

    Mount Elbert rises through multiple biotic zones, with alpine tundra at its peak.. The Rocky Mountains range in latitude between the Liard River in British Columbia (at 59° N) and the Rio Grande in New Mexico (at 35° N), and in height up to the highest peak, Mount Elbert at 14,440 feet (4,400 m), taking in great valleys such as the Rocky Mountain Trench and San Luis Valley.

  6. 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 .

  7. High Arctic tundra - Wikipedia

    en.wikipedia.org/wiki/High_Arctic_tundra

    The climate of the ecoregion is Tundra climate (Köppen climate classification ET), a local climate in which at least one month has an average temperature high enough to melt snow (0 °C (32 °F)), but no month with an average temperature in excess of 10 °C (50 °F).

  8. Rangeland - Wikipedia

    en.wikipedia.org/wiki/Rangeland

    The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands," "treeless mountain tract." [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 ...

  9. Yamal–Gydan tundra - Wikipedia

    en.wikipedia.org/wiki/Yamal–Gydan_tundra

    The climate of the Yamal-Gydan tundra ecoregion is Humid continental climate, cool summer (Köppen climate classification).This climate is characterised by long cold winters (at least one month averaging below 0 °C (32 °F)), and short, cool summers (one to three months greater than 10 °C (50 °F), but no month averaging above 22 °C (72 °F)).