Changes of ecological vegetation in major coal bases in North China. - Hou, Xinwei; Liu, Lingxia; Li, Xiangquan; Wang, Zhenxing; Zhang, Chunchao; Gao, Ming; Ma, Jianfei; Fu, Changchang; Gui, Chunlei; Zuo, Xuefeng; Bai, ZhanXue (Environmental Earth Sciences, 2023)