Dr. Zongshan Li is an Associate Researcher at the Ecological Environment Research Center, Chinese Academy of Sciences. He completed his PhD studies in Climatology of Tree Annual Rings at the Institute of Botany, Chinese Academy of Sciences, and has been awarded Outstanding Postdoctoral Fellow. He presided over the surface project of the National Natural Science Foundation of China (NSFC), two youth projects, and participated in the 13th Five-Year Key Research and Development Program. His research results have been published in several SCI search journals. His research topics mainly include tree-ring assessment of climate change.