Effects of grassland degradation on soil ecological stoichiometry and soil microbial community on the South of the Greater Khingan Mountains - Li, Yuyu; Zhao, Lixing; Hilal, Mian Gul; Guo, Lizhu; Zhang, Yandong; Ji, Yu; Jiang, Xiaowei; Hao, Lifen; Lin, Kejian (Frontiers in Microbiology, 2024)