Recent greening of grasslands in northern China driven by increasing precipitation
Kai Di, Zhongmin Hu, Mei Wang, Ruochen Cao, Minqi Liang, Genan Wu, Ruru Chen, Guangcun Hao and Yaolong Zhao
Journal of Plant Ecology . 2021, (5): 843 -853 .  DOI: 10.1093/jpe/rtab036