Plantation succession in the reach of Changjiang River can be divided into twelve stages since Gunz glacial period in the light of a great deal of palynologieal information. Spore-pollen communities reflect the paleoelimate and paleoenvironment of four glacial, three interglacial and a postglacial periods (the last period including five climate stages). The regional difference of plantation revealed by spore-pollen assemblages arises at the beginning of middle Pleistocene because of Tibet-Qinghai plateau rising and monsoon extent changing. This paper still discusses the relations between plant...
