The total area of the soil erosion has reduced from 3.67 million km2 in late 1980s to 3.56 million km2 in late 1990s, with 110000 km2 reduced in ten years, among which, water erosion reduced by 140000 km2 and wind erosion increased by 30000 km2.

• 全国水土流失总面积由20世纪80年代末的367万平方公里减少到90年代末的356万平方公里，10年间减少了11万平方公里，其中水蚀减少了14万平方公里，风蚀增加了3万平方公里。