1. Department of Natural Resources and the Environment University of New Hampshire Durham NH USA
2. Now at Soil Health Institute Morrisville NC USA
3. Institute of Soil Science Leibniz Universität Hannover Germany
4. USDA Forest Service Northern Research Station Durham NH USA
5. Norwegian Institute of Bioeconomy Research (NIBIO) Ås Norway
6. Eco&Sols University Montpellier CIRAD INRA IRD Montpellier SupAgro Montpellier France
7. Instituto Ciencias Ambientales y Evolutivas Facultad de Ciencias Universidad Austral de Chile Valdivia Chile
8. USDA Forest Service Pacific Northwest Research Station Corvallis OR USA
9. Soil Science Martin Luther University Halle‐Wittenberg Halle Germany
10. Cary Institute of Ecosystem Studies Millbrook NY USA
11. IVL Swedish Environmental Research Institute Gothenburg Sweden
12. Warnell School of Forestry and Natural Resources The University of Georgia Athens GA USA
13. National Research Council of Italy Water Research Institute (CNR‐IRSA) Rome Italy
14. Northern Research Station US Department of Agriculture Forest Service Grand Rapids MN USA
15. US Geological Survey Montpelier VT USA
16. Forest Research Alice Holt Lodge Farnham UK
17. Research Institute for Nature and Forest (INBO) Geraardsbergen Belgium
18. Institute of Geography and Geoecology Karlsruhe Institute of Technology (KIT) Karlsruhe Germany
19. Department of Earth Sciences Durham University Durham UK