Change and tradeoffs-synergies analysis on watershed ecosystem services: A case study of Bailongjiang Watershed, Gansu
QIAN Caiyun,GONG Jie,ZHANG Jinxi,LIU Dongqing,MA Xuecheng
Acta Geographica Sinica . 2018, (5): 868 -879 .  DOI: 10.11821/dlxb201805007