Bai Yan, Ph.D in Cartography and Geographic Information System, associate professor of State Key Laboratory of Resources and Environment Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences. Areas of Specialization: 1. Monitoring and assessing of regional ecological dynamics 2. Mapping of land use/cover change from remotely sensed data 3. Data integration and data sharing Research Grants: 1. National Scientific and Technological Program on Basic Resources Investigation Program “Scientific Research on the North-South Transitional Zone of China” (No. 2017FY100900), 2017-2022 2. National Earth System Science Data Sharing Infrastructure (No.2005DKA32300), 2020-2015