Liu Guiying，anative of Chenzhou, Hunan, associate professor of population resources and environmental economics, doctoral candidate, and master's supervisor.Published 2 academic works, led and completed 1 National Natural Science Foundation project, 4 provincial and ministerial level projects, and 2 university level projects.As a key member, I have participated in 3 projects funded by the National Social Science Fund, 4 projects funded by the National Natural Science Foundation, and 6 provincial and ministerial level research projects. I have published over 20 papers, including 8 indexed by SSCI/SCI.