作者机构:[1]Gansu Key Laboratory of Desertification Combating & Minqin National Studies Station for Desert Steppe Ecosystem, Gansu Desert Control Research Institute, Lanzhou 730070, China, [2]Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
相关基金:supported by the National Natural Science Foundation of China(41061030); the "West Light" Talent Cultivation Program the National Basic Research Program of China(2009CB421303); the National Key Technologies R&D Program of China (2006BAD26B0802 and 2007BAD46B03)