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基于GIS的广西岩溶生态环境脆弱性评价

QIN Xiao-qun,LIANG Mao-zhen,CHEN Zhen

Journal of Guangxi Normal University(Natural Science)（2005）

Cited 16|Views9
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Abstract
以广西岩溶区为例,从导致岩溶生态环境脆弱性的本质因素入手,建立了岩溶生态环境脆弱性评价模型.选取碳酸盐岩分布面积百分比、地形坡度、地貌类型、土壤侵蚀强度、石漠化面积百分比、森林和灌丛覆盖率、旱涝片面积作为评价因子,利用层次分析法确定评价因子的权重,并以A rcG is 8 D esk top为平台,利用软件的空间分析功能,通过模型的空间关系识别,进行了广西岩溶生态区脆弱性评价.
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Key words
Guangxi,geographic information system,eco-environmental vulnerability,karst
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