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  2. Polar ecology - Wikipedia

    en.wikipedia.org/wiki/Polar_ecology

    Polar ecology is the relationship between plants and animals in a polar environment. Polar environments are in the Arctic and Antarctic regions. Arctic regions are in the Northern Hemisphere , and it contains land and the islands that surrounds it.

  3. Tundra - Wikipedia

    en.wikipedia.org/wiki/Tundra

    The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline. The tundra soil is rich in nitrogen and phosphorus . [ 2 ] The soil also contains large amounts of biomass and decomposed biomass that has been stored as methane and carbon dioxide in the permafrost , making the tundra soil a ...

  4. Arctic vegetation - Wikipedia

    en.wikipedia.org/wiki/Arctic_vegetation

    Arctic vegetation is largely controlled by the mean temperature in July, the warmest month. Arctic vegetation occurs in the tundra climate, where trees cannot grow.Tundra climate has two boundaries: the snow line, where permanent year-round snow and ice are on the ground, and the tree line, where the climate becomes warm enough for trees to grow. [7]

  5. Arctic - Wikipedia

    en.wikipedia.org/wiki/Arctic

    The word Arctic comes from the Greek word ἀρκτικός (arktikos), "near the Bear, northern" [4] and from the word ἄρκτος (arktos), meaning bear. [5] The name refers either to the constellation known as Ursa Major, the "Great Bear", which is prominent in the northern portion of the celestial sphere, or to the constellation Ursa Minor, the "Little Bear", which contains the celestial ...

  6. 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]

  7. Outline of ecology - Wikipedia

    en.wikipedia.org/wiki/Outline_of_ecology

    The environment of an organism includes both physical ... between plants and animals and a polar environment ... of this zone is known as the ...

  8. Alpine tundra - Wikipedia

    en.wikipedia.org/wiki/Alpine_tundra

    Alpine tundra occurs at high enough altitude at any latitude.Portions of montane grasslands and shrublands ecoregions worldwide include alpine tundra. Large regions of alpine tundra occur in the North American Cordillera and parts of the northern Appalachian Mountains in North America, the Alps and Pyrenees of Europe, the Himalaya and Karakoram of Asia, the Andes of South America, the Eastern ...

  9. Antarctic flora - Wikipedia

    en.wikipedia.org/wiki/Antarctic_flora

    Nothofagus fusca, New Zealand. Antarctic flora are a distinct community of vascular plants which evolved millions of years ago on the supercontinent of Gondwana.Presently, species of Antarctica flora reside on several now separated areas of the Southern Hemisphere, including southern South America, southernmost Africa, New Zealand, Australia, and New Caledonia.