On Analysis of Quant itative Geology for Quaternary Sporopollen in the Northern China Plain Character of a Nology and Changes of Monsoon Climate Over the Last 10000 Years in Gucheng Lake, Jiangsu Province Westphalian Sporo-Pollen Assemblages from the Upper Carboniferous in Zhongwei, Ningxia Sporo-Pollen Assemblages from Late Phase of Early Cretaceous in Minhe Basin Tertiary Sporo-Pollen Assemblage of-Zhujiangkou Pearl River North Basin and Its Stratigraphicai Significance EVOLUTION TENDENCY OF PLAEOCLIMATIC ENVIRONMENT IN THE WEST LOESS PLATEAU SINCE THE LATE PLEISTOCENE The Discovery of a New Monosulcate Pollen-Zhonghuapollis gen. Nov.and Its Stratigraphical (Significance) Quaternary Sporo-pollen Flora and Palcoclimate of the Tianyang Volcanic Lake Basin,Leizhou Peninsula The Existence of Paleogene Sediments in East China Sea Basin by Palynological Evidence Sporo-Pollen Assemblage from the Miocene Tongguer Formation of Inner Mongolia and Its Climate Early and Middle Jurassic Sporo-Pollen Assemblages of Qiquanhu Coal-Field of Turpan Xinjiang Characteristics of the Later Hoocene Epoch Sporo-pollen Assemblage and Their Significance in Dabusu Lake, Qianan County, Jilin Province