Subtropical forest catchments in South China provide an efficient biological N sink alleviating regional N pollution: evidence from dual nitrate isotopes

Longfei Yu1, Jan Mulder1, Jing Zhu1,2, Xiao-Shan Zhang3 and Peter Dörsch4, (1)Norwegian University of Life Sciences, Department of Environmental Sciences, Ås, Norway, (2)Guangxi Normal University, Department of Environment and Resources, Guilin, China, (3)Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China, (4)Norwegian University of Life Sciences, Faculty of Environmental Sciences and Natural Resource Management, Ås, Norway
Scientific Team Name: NMBU Nitrogen Group