广西大化县土地生态质量分区及其利用对策  

Zoning of Land Ecological Quality and Land Use Countermeasures in Dahua County of Guangxi

作　　者：封丹[1] 周兴[1] 

机构地区：[1]广西师范学院资源与环境科学学院,南宁530001

出　　处：《湖北农业科学》2013年第7期1525-1529,共5页Hubei Agricultural Sciences

基　　金：广西自然科学基金项目(桂科自0679026)

摘　　要：以广西大化县为研究对象,以154个行政村为评价单元,从土地生态结构、土地生态功能、土地生态问题3个方面构建指标体系。采用层次分析法确定权重,利用线性加权和法计算综合评价值,然后根据综合评价值的大小将大化县划分为土地生态质量好的区域、土地生态质量较好的区域、土地生态质量一般的区域、土地生态质量差的区域。分析了各土地生态质量区域的特点,提出了土地利用方向和对策,旨在为大化县土地可持续利用提供科学依据。Taking 154 villages in Dahua county as the evaluation units,evaluation index system of land ecological quality was established from the aspects of land ecological structure,land ecological function and land ecological problem.Analytic hierarchy process(AHP) was applied to determine the weight of evaluation index;and the comprehensive evaluation value was calculated by linear weight sum method.According to the comprehensive value,Dahua county was divided into four major zones,high land ecological quality zone,relatively high land ecological quality zone,general land ecological quality zone and low land ecological quality zone.The characteristic of each land ecological quality zone was analyzed,base on which direction and countermeasures of land use was pointed out to provide scientific basis for sustainable land use in Dahua county.

关 键 词：土地生态质量分区 土地利用对策 广西大化县 

分 类 号：S[农业科学]