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[5]
Spatial and temporal relationships between precipitation and ANPP of four types of grasslands in northern China[J]. GUO Ran1, WANG Xiao-ke1,, OUYANG Zhi-yun1, LI Ying-nian2(1. Key Lab of Systems Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. 2. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, China).Journal of Environmental Sciences. 2006(05)