1. Research Institute of Post Mining Landscapes, Brauhausweg 2, D‐03238 Finsterwalde, Germany
2. Institute of Land Use, University of Rostock, Justus von Liebig Weg 6, D‐18051 Rostock, Germany
3. Institute of Soil Science and Site Ecology, Faculty of Forest, Geo‐, and Hydrosciences, Dresden University of Technology, P.O. Box 1117, D‐01735 Tharandt, Germany