“十一五”期间,我省以淤地坝为重点的水保生态建设成效显著。5年来,全省新建水保淤地坝2000座.新增沟坝地0.67万hm2,治理水土流失面积100万hm2,使累计治理度提高了9.25%,达到49%。水土流失面积由20世纪50年代的10.8万km2减少到55 During the 11th Five-Year Plan period, the ecological protection of water and soil conservation with siltation dams focused in our province has achieved remarkable results. Over the past five years, a total of 2000 reservoirs have been built in the province, adding 67,700 hm2 of ditch and dams and treating 1 million hm2 of soil erosion, raising the cumulative control by 9.25% to 49%. The area of ​​soil erosion decreased from 108,000 km2 in the 1950s to 55%