The effective vegetation coverage of resisting wind erosion in grassland was 60%.

草原地表抗风蚀的有效植被盖度为60%；

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Priority should be given to biological measures in preventing soil water erosion, and the most effective measure is to increase vegetation coverage.

防止土壤水蚀应以生物措施为主，增加植被覆盖度是最有效的措施。

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Vegetation cover is effective on the reduction of soil erosion and sediment loss. About 80% SS could be cut down when the coverage changed from 50% to 90%.

植被覆盖可有效地减少泥沙流失，当植被盖度从5 0 %上升到90 %时，泥沙流失浓度可减少80 % 。

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