中文摘要：

基于GIS空间分析技术，找出泸水县因居住环境恶劣需易地搬迁的自然村，并为其选择适宜的搬迁安置点。认为需搬迁的自然村需满足以下条件：坡度〉25°或贫困且人均耕地〈0．033hm^2。适宜的安置区考虑以下因素：坡度〈25°；具有充裕的适宜开发的土地资源和水源条件；海拔〈2400m；靠近主要交通线；安置区选择与自然保护区、国家重点建设规划用地不冲突；安置区避开地质灾害隐患点；安置区所在区域居民语言、习俗尽量与搬迁村民相通。结果显示：在各乡镇都找到了合适的搬迁地，共可安置1万多人。

英文摘要：

This study identifies villages that need to be relocated for their poor living environment in Lushui County, and selects suitable places of relocation for them through the spatial analysis of Geographic Information System （GIS） . The villages to be relocated must meet one of the following requirements： the hill slope is above 25°, people there live in poverty and the average arable land for each person is less than 0.06hm^2. The places to be chosen for relocation must meet all the following requirements： 1）the slope is less than 25°; 2） having sufficient of land and water that are favorable for exploitation; 3） the elevation is no more than 2,400 meters; 4） near to the main communication lines; 5） places for relocation doesn＇t have negative effects on natural protective area and national constructive projects; 6） sites that are beyond of Potential geological disasters; 7） the dialect and customs of the original residents are as similar as the people to be relocated. The result shows that： suitable places of relocation in each town in Lushui County are found, and over 10 thousand of people can be resettled.