1. Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
2. Department of Biology – Ecosystem management research group, University of Antwerp, Universiteitsplein, Wilrijk, Belgium
3. Biodiversity Inventory for Conservation npo (BINCO), Walmersumstraat, Glabbeek, Belgium
4. Department of Organic Production, Inagro, Ieperseweg, Rumbeke-Beitem, Belgium
5. Soil Service of Belgium vzw, Willem de Croylaan, Leuven-Heverlee, Belgium
6. KERMIT, Department of Data Analysis and Mathematical Modelling, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium