Temperate Grassland
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Temperate Grassland
Extent of temperate grasslands, savannas and shrublands

Temperate grasslands, savannahs, and shrublands is a terrestrial habitat type defined by the World Wide Fund for Nature.[1] The predominant vegetation in this biome consists of grass and/or shrubs. The climate is temperate and ranges from semi-arid to semi-humid. The habitat type differs from tropical grasslands in the annual temperature regime as well as the types of species found here.[1]

The habitat type is known as prairie in North America, pampas in South America, veld in Southern Africa and steppe in Asia. Generally speaking, these regions are devoid of trees, except for riparian or gallery forests associated with streams and rivers.[1]

Steppes/shortgrass prairies are short grasslands that occur in semi-arid climates. Tallgrass prairies are tall grasslands in areas of higher rainfall. Heaths and pastures are, respectively, low shrublands and grasslands where forest growth is hindered by human activity but not the climate.

Tall grasslands, including the tallgrass prairie of North America, the north-western parts of Eurasian steppe (Ukraine and south of Russia) and the Humid Pampas of Argentina, have moderate rainfall and rich soils which make them ideally suited to extensive agriculture, and tall grassland ecoregions include some of the most productive grain-growing regions in the world. The expanses of grass in North America and Eurasia once sustained migrations of large vertebrates such as buffalo (Bubalus bubalis), saiga (Saiga tatarica), and Tibetan antelopes (Pantholops hodgsoni) and kiang (Equus hemionus). Such phenomena now occur only in isolated pockets, primarily in the Daurian Steppe and Tibetan Plateau.[1][2]

The floral communities of the Eurasian steppes and the North American Great Plains, have been largely extirpated through conversion to agriculture. Nonetheless, as many as 300 different plant species may grow on less than 3 acres of North American tallgrass prairie, which also may support more than 3 million individual insects per acre. The Patagonian Steppe and Grasslands are notable for distinctiveness at the generic and familial level in a variety of taxa.[1]

Temperate grasslands, savannas, and shrublands ecoregions

See also

References

  1. ^ a b c d e  This article incorporates text available under the CC BY-SA 3.0 license. World Wide Fund for Nature. "Temperate Grasslands, Savannas and Shrubland Ecoregions". Archived from the original on 2011-04-01.
  2. ^ Hilbig, W (1995). The vegetation of Mongolia. Amsterdam: SPB Academic Press.

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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