汾河流域生态系统服务供需匹配特征与分区管控
宋洁, 张龙飞, 宋文凯, 陈培森, 何雨函, 梁雯

Supply-demand matching of ecosystem services and zoning control in the Fenhe River BasinChina
Jie Song, Longfei Zhang, Wenkai Song, Peisen Chen, Yuhan He, Wen Liang
图5 上、中、下游供需比变化趋势
Fig.5 Change trend of ecosystem services supply-demand ratio in upstream, midstream, and downstream