[EJ-15-53]Evaluation of ecosystem services: A case study in the middle reach of the Heihe River Basin, Northwest China

Author：　　Periodical： 　　Source：

Author：Li, Hongji, Li Zhihui , Li Zhaohua , Yu Jing , Liu Bing　　Periodical：Physics and Chemistry of the Earth, Parts A/B/C, 2015, 89: 40-45.　　Source： ccap

PCE_2015_53.pdf