8Du Mingyuan, Shigeto Kawashima, Seiichiro Yonemura, et al. Mutual influence between human activities and climate change in the Tibetan Plateau during recent years[J]. Global and Planetary Change,2004,41(3/4):241-249.
9Harris R B. Rangeland degradation on the Qinghai-Tibetan Plateau: A review of the evidence of its magnitude and causes EJ:. Journal of Arid Environments,2010,74(1) :1-12.
10Tsuyoshi Akiyama, Kensuke Kawamura. Grassland degrada- tion in China.. Methods of monitoring, management and resto- rationEJ:. Japanese Society of Grassland Science, 2007,53 (1) .- 1 17.