Approach to Palaeo-environment in the west Coast of Bohai Bay Since 25000 a.B.P. Character of a Nology and Changes of Monsoon Climate Over the Last 10000 Years in Gucheng Lake, Jiangsu Province Palaeoclimate and Palaeoenvironment of the Last Glacial Stage in Salawusu Area of Nei Monggol, China Palynoflora at Late Miocene?aEarly Pliocene from Leijiahe of Lingtai, Gansu Province, China Middle Jurassic Sporopollen Assemblage from the Yan‘an Formation in Binxian County, Shaanxi Province and Its Significance Relationships Between Geographical Distribution of Cyclobalanopsis glauca and Climate in China Early Cretaceous Palynofloras from Tarim Basin, Xinjiang Early Cretaceous Palynoflora from Anchow Basin, Korea