The grasslands are dying out, as decades of warming temperatures-exacerbated by overgrazing-turn prairie into desert.

几十年来，气候变暖使得绿地消失殆尽，过度放牧又加剧了草原的沙漠化。

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But it will be increased when replacing the grasslands by desert over northwest part of north China and it is caused by the increasing of the precipitation over northern part of north China.

在华北西北部以沙漠代替草原后，华北地区平均降水有所增加，这主要是由华北北部地区降水增加引起的。

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The grasslands of the desert overflow; the hills are clothed with gladness.

滴在旷野的草场上。小山以欢乐束腰。

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Yaks live in alpine tundra, grasslands and the cold desert regions of the northern Tibetan Plateau, ranging from 13, 000 to 20, 000 feet (4, 000 to 6, 100 meters) in elevation, according to the IUCN.

MSN: Wild yaks are back �� at least in the Tibetan Plateau