Ecological research of arbuscular mycorrhizal fungi from the rhizospere ofZygophyllum dumosum in the desert ecosystem Foliar carbon, nitrogen and phosphorus stoichiometry of typical desert plants across the Alashan Desert Difference of Desert Ecosystem Responses to Elevated Atmospheric CO2 Concentration between Dry and Wet Years Soil respiration in desert ecosystems of the arid region Variation of the carbon budget and comparison between static chamber method and eddy covariance method in the Reaumuria soongorica -Salsola passerina community in the Tennger Desert The infiltration and redistribution of precipitation in revegetated sand dunes in the Tengger Desert, Shapotou,China CORRELATIONS BETWEEN METEOROLOGICAL FACTORS AND LEAF ELEMENT CONTENTS IN DESERT PLANT REAUMURIA SOONGORICA Seasonal variation of ground dwelling arthropod communities in an arid desert of the middle Heihe River basin Relationships between soil factors and leaf element, water contents in desert plant Reaumuria soongorica