1. Institute of Soil Science and Site Ecology, Technische Universität Dresden, 01737 Tharandt, Germany
2. Saxon State Office for Environment Agriculture and Geology, 09599 Freiberg, Germany
3. Department of Landscape Management and Nature Conservation, Eberswalde University for Sustainable Development, 16225 Eberswalde, Germany
4. Institute of Environmental Sciences, RPTU University of Kaiserslautern-Landau, 76829 Landau, Germany