Hydrological characteristics of different species in three habitats of Hunshandak Sandland Mechanism of the Effect of Salt on Germination of Puccinellia Tenuifolra REASERCH ON RELATIONSHIP OF PHYSIO-ECOLOGICAL WATER TO DROUGHY RESISTANCE FOR SAXAUL Heat Stress Effects on Osmotic Potential , Membrane Fatty Acid Composition and Lipid Peroxidation Content of Two Kentucky Bluegrass Cultivars Differing in Drought Tolerance The relationship between light energy utilization and dissipation of PS Ⅱof Puccinellia tenuiflora seedlings and osmotic potential of culture solution under Na2CO3 stress Study on dry resistance of seven young coniferous and broad-leaved trees with PV-technology GST Activity and Its Related Indexes in the Chloroplasts of Puccinellia tenuiflora Seedlings under Na2CO3 Stress Ion uptake and distribution in relation to the adaptability of several desert species A study on the characters of content of inorganic ions in salt-stressed Suaeda salsa ADAPTIVE PHYSIOLOGY OF DIFFERENT ECOTYPES OF Phragmites Communis TO SALINITY IN THE Heat Stress Effects on Osmotic Potential , Membrane Fatty Acid Composition and Lipid Peroxidation Content of Two Kentucky Bluegrass Cultivars Differing in Drought Tolerance Effects of NaCl Stress on the Inorganic Ion Contents in Atriplex undulata Roots and Leaves Influence ofosmotic potential on allelopathy bioassay Effects of temperature and osmotic potential on seed germination of Cleistogenes songorica and Plantago lessingii Comparisons of Morphological Variation and Cellular Osmotic Potential Adjustment between Invasive Species Alternanthera philoxeroides and its Native Congener A. sessilis under Different Water Treatments