长江流域资源与环境 >> 2011, Vol. 20 >> Issue (12): 1446-.

• 自然资源 • 上一篇    下一篇

基于生态安全格局的湖州市城乡建设用地空间管制分区

高永年,高俊峰,韩文权   

  1. (1.中国科学院南京地理与湖泊研究所|江苏 南京 210008;2.重庆市地质环境监测总站| 重庆 400015)
  • 出版日期:2011-12-20

SPATIAL ALLOCATION OF THE URBAN AND RURAL CONSTRUCTIONLAND IN TERMS OF ECOLOGICAL SECURITY PATTERN IN HUZHOU CITY

GAO Yongnian1,GAO Junfeng1|HAN Wenquan2   

  1. (1.Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences| Nanjing 210008,China;
    2.Chongqing Institute of Geological Environment Monitoring,Chongqing 400015,China)
  • Online:2011-12-20

摘要:

生态安全格局对于指导城乡建设用地布局具有重要意义。选择地形条件、地质灾害、土壤侵蚀、生物保护、一般水体保护和太湖湖体保护6个要素作为城乡建设用地空间扩展的生态约束条件,基于GIS空间分析方法和“水桶效应”原理,对湖州市综合生态安全进行评价,制作了湖州市综合生态安全格局即安全区、临界安全区、较不安全区和不安全区的空间分布图,比照湖州市现状建设用地分布图与综合生态安全等级分布图,得到湖州市现状城乡建设用地生态安全格局,根据湖州市生态安全格局,确定湖州市城乡建设用地优先建设区、条件建设区、限制建设区和禁止建设区面积及其空间分布,对湖州市城乡建设用地边界即挖潜边界、扩展边界、整理边界和禁建边界等进行了界定,从而为湖州市城乡建设用地的优化配置和差异化管理决策提供依据

Abstract:

Ecological security pattern is significant for guiding the spatial allocation of the urban and rural construction land.Six ecological security elements,including terrain conditions,geological hazards,soil erosion,biological protection,the protection of general water body and protection of Taihu Lake,were selected as the ecological constraints for the spatial expansion of urban and rural construction land.The integrative ecological security in Huzhou city was evaluated using the GIS spatial analysis tools based on the principle of buckets effect,and the spatial distribution map of ecological security patterns,which were classified as security region,critical security region,less insecurity region and insecurity region,was produced.According to the map of current urban and rural construction land distribution,the ecological security pattern map of current urban and rural construction land in Huzhou city was generated.According to the basis for determining the boundary of urban and rural construction land based on ecological security levels,the spatial distribution map of preferential construction region,conditional construction region,restrictive construction region and prohibitive construction region for urban and rural construction land was produced based on the comparison between the ecological security pattern and the urban and rural construction land,and then their areas were calculated respectively.And then the boundary of urban and rural construction land based on ecological security pattern in Huzhou city,including potential boundary,extended boundary,neatened boundary and prohibitive boundary,were delineated.The results will benefit to the spatial optimization allocation of the urban and rural construction land and differentiated management

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