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

作者：Li, Hongji, Li Zhihui et al.　　期刊：Physics and Chemistry of the Earth, Parts A/B/C, 2015, 89: 40-45. 　　来源： ccap

作者: Li, Hongji, Li Zhihui , Li Zhaohua , Yu Jing , Liu Bing