Dr. Sen Gu is an associate professor at the Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China. He earned his PhD from the University of Rennes 1 and worked as a postdoc researcher in the project Channel Payments for Ecosystem Services (CPES), Interreg, Europe. He joined the Chinese Academy of Sciences in 2019 and spent a year as a visiting scholar at the IEES-Paris at Sorbonne University. His research area is phosphorus (P) biogeochemistry in terrestrial ecosystems.