High cold desert
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Last Update: 2021-03-14
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Source: Internet
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Author: User
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deserts of continental mountains and plateaus. Atmospheric precipitation is very rare, only 20
to
50
mm, low temperature, the average annual temperature
-8
to
-10
degrees Celsius, the average monthly temperature in
There
8
to
10
months below 0 degrees C, cold and high winds often cause physiological drying early, plant growth is very short, only
2
to
3
months. In the long daytime sunlight, can make rocks and plants hot, and quickly at night to dissipate heat and freeze. Plants are basically composed of super-drying, cold-resistant temperature, leaf degradation or specialization, plants are mostly pad-shaped small semi-shrubs. Generally high only
8
to
15
cm, leaves small and thick, the community plant species are very rare, unit area coverage is often less than
5
%. In China is mainly distributed in northern Tibet, southern Xinjiang, Kunlun Mountain, Pamir Plateau area, the elevation of
3900
to
5500
meters of mountains. The main plants are cushioned camel velvet quinoa, Tibetan chrysanthemum, pink flower artemisinin and so on. Pad-shaped camel velvet quinoa, pink flower artemisinin has a high feed value, is the main forage in the high cold desert area, its community can be used for Tibetan sheep summer grazing.
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