TY - Journal of Geographical Sciences A1 - LIU Xiaojing, LIU Dianfeng, ZHAO Hongzhuo, HE Jianhua, LIU Yaolin T1 - Exploring the spatio-temporal impacts of farmland reforestation on ecological connectivity using circuit theory: A case study in the agro-pastoral ecotone of North China Y1 - 2020-11-25 00:00:00.0 JF - Journal of Geographical Sciences JO - Journal of Geographical Sciences SP - 1419 EP - 1435 VL - 30 IS - 9 UR - {https://www.geogsci.com/EN/10.1007/s11442-020-1790-z} N1 - 10.1007/s11442-020-1790-z ER -