1. Norwegian Institute for Water Research (NIVA) Oslo Norway
2. Department of Biological Sciences University of Oslo Oslo Norway
3. Centre for Biogeochemistry in the Anthropocene, University of Oslo Oslo Norway
4. Finnish Environment Institute SYKE Helsinki Finland
5. Water, Energy and Environmental Engineering Research Unit University of Oulu Oulu Finland
6. The Norwegian Institute of Bioeconomy Research (NIBIO) Ås Norway
7. Faculty of Environmental Sciences and Natural Resource Management Norwegian University of Life Sciences Ås Norway
8. Department of Bioscience Aarhus University Silkeborg Denmark
9. Department of Aquatic Sciences and Assessment Swedish University of Agricultural Sciences Uppsala Sweden
10. Department of Soil and Environment Swedish University of Agricultural Sciences Uppsala Sweden