PHOSPHORUS CYCLING IN TERRESTRIAL ECOSYSTEMS AND ITS CONTROLLING FACTORS Oasis corridor landscape in arid regions:A case study of Jinta Oasis Economic-Environmental System Planning for Arid Regions in China Reviews on calculating methods of vegetation ecological water requirement in arid and semiarid regions Meteorological conditions for wine grape growth in Hexi Arid Region Chinas Arid Regions in the Global Change:Response and Trend A research review on "fertile islands"of soils under shrub canopy in arid and semi-arid regions