京津风沙源治理工程区生态环境质量及驱动力
王卫国, 谢欢, 冯国庆, 家淑珍

Ecological environment quality and driving forces in the Beijing-Tianjin Sandstorm Source Control Project area
Weiguo Wang, Huan Xie, Guoqing Feng, Shuzhen Jia
图3 京津风沙源二期治理工程区生态环境质量各等级比例分布
Fig.3 Percentage distribution of different classes of ecological quality in the BTSSCPA