Pattern of cropland reclamation and abandoned land in four major black soil regions of the world and its impact on net primary pro- ductivity of vegetation in 1992—2022
Lyu Binyan, Dong Jinwei, Zhang Qiang, Meng Ziqi, Li Zhichao, Liao Xiaoyong, Deng Xiangzheng, Leng Guoyong, Liu Zhengjia
GEOGRAPHICAL SCIENCE . .  DOI: 10.13249/j.cnki.sgs.20241162