黄河下游经济-人口-资源-环境和谐发展水平评估
刘建华, 黄亮朝, 左其亭

Evaluation of harmonious development of economy-population-resource-environment in the lower reaches of the Yellow River
LIU Jianhua, HUANG Liangchao, ZUO Qiting
图1 研究区域图
Figure 1 The study area