甘肃黑河流域生态网络构建与优化

许澳康, 吉天琪, 石晶

Construction and optimization of ecological network of the Heihe River Basin （Gansu section）

Aokang Xu, Tianqi Ji, Jing Shi

图4 生态廊道、生态夹点和障碍点的空间分布

Fig.4 Spatial distribution of ecological corridors， ecological pinch points and barriers