1. Research Institute of Organic Agriculture (FiBL), Frankfurt am Main, Germany
2. Institute for Plant Production and Plant Breeding II – Organic Farming with Focus on Sustainable Soil Use, Justus Liebig University Giessen, Giessen, Germany
3. Department of Geography and Environmental Management, University of the West of England, Bristol, UK
4. Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, Giessen, Germany
5. Center for Sustainable Food Systems, Justus Liebig University Giessen, Giessen, Germany
6. Chair of Hydrology, Faculty of Environment and Natural Resources, University of Freiburg, Freiburg, Germany