Variation in net CO2 exchange, gross primary production and its affecting factors in the planted pasture ecosystem in Sanjiangyuan Region of the Qinghai-Tibetan Plateau of China
WU Li-Bo, GU Song, ZHAO Liang, XU Shi-Xiao, ZHOU Hua-Kun, FENG Chao, Xu Wei-Xin, LI Ying-Nian, ZHAO Xin-Quan, TANG Yan-Hong
Chin J Plant Ecol . 2010, (7): 770 -780 .  DOI: 10.3773/j.issn.1005-264x.2010.07.002