黄河流域高质量绿色发展水平与空间格局演化特征
罗万云, 王福博, 孙慧

Spatial pattern evolution characteristics of high-quality green development level in the Yellow River Basin
Wanyun Luo, Fubo Wang, Hui Sun
图3 1999—2019年黄河流域高质量绿色发展的空间演化趋势
Fig.3 Spatial evolution trend of high-quality green development in the Yellow River Basin