Dr. Guo Jiaxin graduated from China University of Mining and Technology (Beijing) with a degree in land resource management. He is currently a postdoctoral fellow/assistant researcher at Peking University and has published four SCI/EI papers as the first author. In recent years, he has participated in over 10 projects, including the National Key R&D Program, the National Natural Science Foundation of China, and horizontal research projects. His research focuses on land management and land use.