Effect of saline water irrigation on sand soil salt and the physiology and growth of Populus euphratica Oliv. The Simulation of Leaf Stomatal Conductance of Populus euphratica in Desert Riparian Forest in Ejin The growth state of Populus euphratica Oliv. and its leaf ecological characteristics in the lower reaches of Heihe River The structural traits of Populus euphratica heteromorphic leaves and their correlations Spatial Distribution Pattern of Populus euphratica Populations in the Lower Reaches of Tarim River The charactertics of root suckers of Populus euphratica Oliv. in three habitats of Ejina oasis Preliminary study on water parameters of Populus euphratica and P.pruinosa by using P-V curve Stomatal Conductance Characteristics of Populus euphratica Leaves and Response to Environmental Factors in the Extreme Arid Region Artificial water diversion effects of Heihe River on Populus euphratica Oliv. desert riparian forests in Ejina FERTILIZATION AND EMBRYO DEVELOPMENT IN POPULUS EUPHRAT1CA OLIV