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1 2015年京津风沙源治理工程区土地利用状况

Figure 1 Land use of the Beijing-Tianjin sandstorm control engineering area, 2015