黄河流域经济社会与生态环境协调发展特征

柳江, 李志花

Coordinative characteristics of economic-social development and ecological environment in the Yellow River Basin

Jiang Liu, Zhihua Li

图2 生态环境系统与经济社会系统的剪刀差演变过程

Fig.2 The evolution process of the scissors difference between the ecological environment system and the economic-social system