1. Institute of Bio‐ and Geosciences, Agrosphere (IBG–3), Research Centre Jülich, Wilhelm Johnen Str., 52425 Jülich, Germany
2. Institute of Soil Science and Site Ecology, Faculty of Environmental Sciences, TU Dresden, Pienner Str. 19, 01737 Tharandt, Germany
3. Biogeochemistry Group, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürchertrasse 111, 8903 Birmensdorf, Switzerland
4. Institute of Soil Science and Soil Conservation, Justus‐Liebig University Giessen, Heinrich‐Buff‐Ring 26‐32, 35392 Gießen, Germany
5. Soil Sciences, Martin Luther University Halle‐Wittenberg, von‐Seckendorff‐Platz 3, 06120 Halle (Saale), Germany
6. Agricultural pedology, Georg‐August‐University Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
7. Geographical Institute, University Bern, Hallerstrasse 12, 3012 Bern, Switzerland
8. Ecopedology of temperate zones, Georg‐August‐University Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
9. Applied Stream Ecology, Institute of Integrated Natural Sciences, University of Koblenz‐Landau, Universitätsstrasse 1, 56070 Koblenz, Germany
10. Earth Surface Geochemistry, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
11. Institute of Geological Sciences, Freie Universität Berlin, Malteserstr. 74–100, 12249 Berlin, Germany
12. Boden und Umwelt, Forest Research Institute Baden‐Württemberg, Wonnhaldestr. 4, 79100 Freiburg i.Br., Germany
13. Chair of Hydrology, Faculty of Environment and Natural Resources, University of Freiburg, Freiburg, Germany
14. Soil Science and Soil Ecology, Institute of Crop Science and Resource Conservation, University of Bonn, Nussalle 13, 53115 Bonn, Germany
15. Chair of Soil Ecology, Albert‐Ludwigs‐Universität Freiburg, Bertoldstraße 17, 79098 Freiburg i. Br., Germany
16. Department of Soil Science of Temperate Ecosystems, Department of Agricultural Soil Science, Georg‐August‐University Göttingen, Büsgenweg 2, 37077 Göttingen, Germany