The climatic changes in southwestern Asia were more subtle, in that they involved shifts in mountain snow lines, rainfall patterns, and vegetation cover.

亚洲西南部的气候变化更为微妙，因为它们涉及到山地雪线、降雨模式和植被覆盖率的变化。

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The consequences of an excessive number of livestock grazing in an area are the reduction of the vegetation cover and the trampling and pulverization of the soil.

在一个地区过度放牧的后果是植被覆盖的减少和对土壤的践踏和粉碎。

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Soil erosion in the loess area relates to low vegetation cover rate in this region.

黄土高原地区严重的水土流失与该区植被覆盖率低有密切的关系。

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What my colleagues and I are discovering from our own work in Alaskan tundra is that this shift in vegetation cover has implications -- some good, some bad -- for the animals that depend on it for food and shelter.

CNN: Next global warming worry: Thawing tundra

It needs dense vegetation, cover for nesting and protection from predators and mature woodland for winter food.

BBC: NEWS | UK | Wales | Wales is 'haven' for black grouse

This second mission is supposed to loft the Proba-V satellite to collect data on land cover and vegetation changes over the entire globe every couple of days.

BBC: Bad weather postpones Europe's Vega rocket launch