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三峡库区湖北宜昌、归、兴山、巴东四县幅员面积１１５８９．３平方公里，总人口数１６６．０２万人，三峡水库形成后，淹没土地面积７４．４７平方公里，涉及８．９４万人，规划农业生产安置２．８万人。本文以四县土地资源利用现状和环境容量的分析为基础，进行三峡库区移民安置对水土流失的影响评价，论证综合开发利用水上资源，水上保持与开发性移民相结合，是扩大库区人口环境容量的必由之路，研究制订出移民安置与水土资源的综合开发利用、调整土地利用结构、预防监督保护、开发性综合治理以及政策性措施的防治对策。
The Three Gorges Reservoir Area Hubei Yichang, Guiyang, Xingshan, Badong four counties covers an area of 11,589.3 square kilometers, with a total population of 1,660,200 people, the formation of the Three Gorges Reservoir, the submerged land area of 74.47 square kilometers, involving 8.94 Million people, planning the agricultural production resettlement 28000 people. Based on the analysis of present land use and environmental capacity in four counties, this paper evaluates the impact of resettlement on water and soil loss in Three Gorges Reservoir area. It is demonstrated that the integrated development and utilization of water resources, water conservation and development immigration combine to expand the population in the reservoir area The necessary way of environmental capacity, research and formulate the comprehensive development and utilization of resettlement and water and land resources, adjust the land use structure, prevention and control of oversight, development and comprehensive prevention and control measures and policy measures.