Doctor Leiming Zhang, associate researcher at the Institute of Geographic Sciences and Natural Resources Research, CAS. In 1998, he received a bachelor's degree in agriculture from Henan University of Science and Technology; in 2002, he received a master's degree in agriculture from Northwest Agricultural and Forestry University; and in 2006, he received a doctor's degree in ecology from the Institute of Geographic Sciences and Resources, Chinese Academy of Sciences, and stayed in the institute to participate in scientific research at the same time. In 2005, YSSP, selected by the Austrian International Institute for Applied Systems Analysis (IIASA), visited and exchanged views at Bayreuth University in Germany from October 2007 to March 2008. At present, he is mainly engaged in the research of carbon, nitrogen, and water cycles and global change in terrestrial ecosystems.