TY - Acta Geographica Sinica A1 - LIU Licheng, LIU Chunfang, WANG Chuan, LI Pengjie T1 - Supply and demand matching of ecosystem services in loess hilly region: A case study of Lanzhou Y1 - 2019-09-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1921 EP - 1937 VL - 74 IS - 9 UR - {https://www.geog.com.cn/EN/10.11821/dlxb201909016} N1 - 10.11821/dlxb201909016 ER -