1. Institute of Grassland Science, School of EnvironmentKey Laboratory of Vegetation EcologyMinistry of EducationNortheast Normal University Changchun China
2. Departments of Aquatic EcologyNetherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
3. School of Ocean SciencesBangor UniversityIsle of Anglesey UK
4. Division of Plant SciencesUniversity of Missouri Columbia USA