jointly funded by the National Natural Science Foundation of China (40972212,41272386,41572331,90102009,31590822);the Scientific Research Foundation for the Young Scientists of State Key Laboratory of Vegetation and Environmental Change,Institute of Botany,Chinese Academy of Sciences and the Returned Overseas Chinese Scholars,Ministry of Education of the People’s Republic of China and the National Postdoc Science Foundation of China (2003033253)
To provide information on vegetation patterns and altitudinal distributions of pollen assemblage in surface soil layers,their complicated relationships in a dryland mountain-basin system in northwestern China and a re...