山东省邹县洼陡小流域,总面积10.2平方公里,其中水土流失面积9.5平方公里。全流域9个自然村,509户,1972人,人均耕地1.4亩。 该流域地势起伏,沟壑密集,南高北低,土壤为花岗片麻岩母质上发育的棕壤性土,土层浅薄,砾石含量多,细土颗粒少,肥力低,结构松散,易于流失。治理前,共有耕地2760亩,占18％;林地5788亩,占39％;果园1694亩,占11％;条花300 Zou County, Shandong Province depression steep watershed, with a total area of ​​10.2 square kilometers, of which soil erosion area of ​​9.5 square kilometers. The whole basin 9 villages, 509, 1972 people, 1.4 acres of arable land per capita. The watershed is rugged, gully-intensive, low in the south and low in north. The soil is a brown earth soil with granulite gneiss parent material. The soil layer is shallow, the content of gravel is high, the content of fine soil is small, the fertility is low, the structure is loose, . Before the management, a total of 2760 acres of arable land, accounting for 18%; 5788 acres of woodland, accounting for 39%; orchard 1694 acres, accounting for 11%; 300