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基于土地利用分析的区域生态风险评价——以北京市为例

Keywords: 土地利用,生态风险评价,地理信息系统

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Abstract:

以北京市为例,基于土地利用分析,采用了国内外较为认可的生态风险评价方法,从风险受体、风险源、暴露及生态易损性等几方面内容综合分析得出了城市生态风险值的大小,并做出相应的等级划分.在给出必要的不确定性分析的基础上,结合区域自身特点,提出了具体的生态风险管理对策.

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