Temporal Spatial Distribution of Vegetation in the Qinghai Xizang Plateau During the Past 12 ka BP Relationships Between Geographical Distribution of Cyclobalanopsis glauca and Climate in China Vegetation Evolution in the Northern South China Sea Region Since 40 ka BP?aAn Attempt To Reconstruct Palaeovegetation Based on Biomization (in English) Palynoflora at Late Miocene?aEarly Pliocene from Leijiahe of Lingtai, Gansu Province, China The Palaeovegetation Record of Monsoon Evolution in the Desert-loess Transition Zone for the Last 13 ka BP RESEARCH OF VEGETATIONAL SUCCESSION ON THE XIAOLONGSHAN MT.SINCE MIDDLE HOLOCENE