黄河三角洲高效生态经济区生态变化、问题与对策

翟俊, 金点点, 陈妍, 刘鑫, 杨栩, 侯鹏, 徐延达

Ecological changes, problems and countermeasures in the High Efficiency Eco-economic Zone of the Yellow River Delta

ZHAI Jun, JIN Diandian, CHEN Yan, LIU Xin, YANG Xu, HOU Peng, XU Yanda

图2 1990—2018年研究区国土空间分布图

Figure 2 Spatial distribution of agricultural land, urban land, and ecological land in the study area, 1990-2018