TY - JOURNAL OF NATURAL RESOURCES A1 - LIU Jian-zhi, FANG Yan-gang, WANG Ru-ru T1 - Spatio-temporal evolution characteristics and driving mechanisms of agricultural multifunctions in Shandong province Y1 - 2021-02-28 00:00:00.0 JF - JOURNAL OF NATURAL RESOURCES JO - JOURNAL OF NATURAL RESOURCES SP - 2901 EP - 2915 VL - 35 IS - 12 UR - {https://www.jnr.ac.cn/EN/10.31497/zrzyxb.20201207} N1 - 10.31497/zrzyxb.20201207 ER -