Yulin District and Hengshan County were taken as the cases, and ecological security index system was constructed to assess the security levels of the two regions.

 
  • 选择了榆林市和横山县两个行政单元,针对区域特征,构建了不同尺度上的生态安全指标体系,利用层次分析法,对不同尺度上生态安全的空间分异进行了研究。
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