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小流域坝系是指以小流域为单元,合理兴建小多成群的滞洪坝、生产坝和一定数量的骨干坝而形成的拦蓄工程体系.它是水土保持综合治理的一项得要措施。三十多年来,甘肃省的小流域坝系建设取得了较好的成绩。截至1986年底止,全省已建成沟坝地24万余亩,在发展农业生产和控制水土流失方面都发挥了显著的效益,并且出现了平凉市纸坊沟、镇原县红五沟、东
Small watershed dam system refers to the small watershed as a unit, the rational construction of small groups of flood dam, production dam and a certain amount of backbone dam and the formation of the storage engineering system.It is a necessary measure for comprehensive management of soil and water conservation. Over the past 30 years, the dam system in small watersheds in Gansu Province has achieved good results. As of the end of 1986, the province has built more than 240,000 mu of ditch dam, which has played significant benefits in the development of agricultural production and soil erosion control, and has emerged in Pingliang City, Fangfang County, Hongwu ditch in Zhenyuan County,