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Position: Home > Articles > Identification of Position Key Area of Land Ecosystem——A Case Study in Huimin County in Yellow River Delta Journal of Hebei Agricultural Sciences 2011,15 (4) 72-76

土地生态系统位置型关键地段识别——以黄河三角洲惠民县为例

作  者:
吴未;路平山
单  位:
南京农业大学公共管理学院
关键词:
惠民县;土地生态系统;位置型关键地段;识别
摘  要:
借助ArcGIS的空间叠加分析方法和最小累积阻力面数学模型,识别出源间连接型关键地段、网络控制型关键地段和中心型关键地段3类位置型关键地段,为确定土地生态安全保护的关键区域提供参考。通过研究识别出源间连接型关键地段13处;网络控制型关键地段12处;综合的位置型关键地段20处,这20处位置型关键地段重要等级为a>b>c,其中a级5个、b级10个、c级5个。
译  名:
Identification of Position Key Area of Land Ecosystem——A Case Study in Huimin County in Yellow River Delta
作  者:
WU Wei,LU Ping-shan(College of Public Administration,Nanjing Agricultural University,Nanjing 210095,China)
关键词:
Huimin County;Land ecosystem;Position key area;Identification
摘  要:
The key area of inter-source linkage,key area of network controlled and key area at the center were identified using the method of ArcGIS geo-overlay analysis and the mathematical model of the minimum cumulative resistance surface to offer reference for determining the critical regions of land ecological security.13 types of key areas of inter-source linkage,12 types of key areas of network controlled and 20 types of integrated position key areas were identified.The important level of 20 types integrated position key areas was a>b>c,where 5 of a-class,10 of b-class,and 5 of c-class.

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