Response of sap flow in Populus euphratica to changes in groundwater depth in the middle and lower reaches of the Tarim River of northwestern China
MA Jian-Xin, CHEN Ya-Ning, LI Wei-Hong, HUANG Xiang, ZHU Cheng-Gang, MA Xiao-Dong
Chin J Plant Ecol . 2010, (8): 915 -923 .  DOI: 10.3773/j.issn.1005-264x.2010.08.004