Carbon Dioxide Exchange and Water Use Efficiency of Alpine Meadow Ecosystems on the Tibetan Plateau
YAN wei, ZHANG Xian-zhou, SHI Pei-li, YANG Zhen-lin, HE Yong-tao, XU Ling-ling
JOURNAL OF NATURAL RESOURCES . 2006, (5): 756 -767 .  DOI: 10.11849/zrzyxb.2006.05.009