Species Richness and Diversity of Alpine Grasslands on the Northern Tibetan Plateau:Effects of Grazing Exclusion and Growing Season Precipitation
WU Jianshuan, ZHANG Xianzhou, SHEN Zhenxi, SHI Peili, YU Chengqun, SONG Minghua, LI Xiaojia
Journal of Resources and Ecology . 2012, (3): 236 -242 .  DOI: 10.5814/j.issn.1674-764x.2012.03.006