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甘肃省定西县石家岔小流域原是一个干旱、荒凉、贫瘠的穷山区。1983年被列为黄河中游试点流域,在黄河中游治理局和省水保局的支持指导下,在县委、县政府的具体领导下,由流域治理领导小组具体规划、实施。截至1987年底,全流域兴修梯田9842亩,坝地563亩,造林21799亩,种草6201亩,治理程度由1982年的19.4％提高1987年的66.9%。此外,还建成水窑1141眼,涝池11个,土谷坊312座。初步形成了以林草为主体的梁峁防护体系;以田、林、
Dingxi County, Gansu Province, Shijiacha small watershed was originally arid, desolate, poor barren mountainous areas. In 1983, it was listed as a pilot basin in the middle reaches of the Yellow River. Under the guidance and support of the Yellow River Midstream Administration Bureau and the Provincial Bureau of Water Resources and Conservation, under the specific leadership of the county Party committee and county government, the leading group of watershed management specifically planned and implemented. By the end of 1987, 9842 mu terraced fields, 563 mu of dam land, 21,799 mu of afforestation and 6,201 mu of grass were planted in the whole basin. The degree of governance increased from 19.4% in 1982 to 66.9% in 1987. In addition, there were also 1141 water kilns, 11 waterlogs and 312 soil mills. Initially formed with forest and grass as the main beam 峁 protection system; to Tian, Lin,