基于防风固沙服务空间流动的区域关联度——以京津风沙源治理工程区为例 |
张彪, 王爽, 李庆旭, 谢高地 |
Regional correlation degree derived from the sand-fixing service spatial flow: A case study of the Beijing-Tianjin sandstorm control engineering area |
Biao ZHANG, Shuang WANG, Qingxu LI, Gaodi XIE |
图4 工程区不同地区社会发展指数与防风固沙关联度 |
Figure 4 Social development degree and correlation degree of sand-fixing services in the Beijing-Tianjin sandstorm control engineering area |
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