Research of the Vegetational and Climatic Changes of the Pliocene-Pleistocene Transitional Period in the Nihewan Basin


Yuecong Li, Hebei Normal University, College of Resources and Environment Science, and Hebei Key Laboratory of Environmental Change and Ecological Construction, Shijiazhuang, China and Guoqiang Ding, Hebei Normal University, College of Resource and Environmental Sciences, Shijiazhuang, China