1. Centre for Ecological Research Institute of Ecology and Botany, Alkotmány u. 2–4, H-2163 Vácrátót, Hungary
2. Department of Plant Systematics, Ecology and Theoretical Biology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/C, H-1117 Budapest, Hungary
3. Department of Natural Resource Sciences, and Department of Biology, McGill University, Montreal, QC H3A 1B1, Canada
4. Department of Environmental and Landscape Geography, Eötvös Loránd University, Pázmány Péter sétány 1/C, H-1117 Budapest, Hungary
5. Centre for Ecological Research Institute of Aquatic Ecology, Centre for Ecological Research, H-1113 Budapest, Hungary
6. Ministry of Agriculture, Nature Conservation Department, H-1055 Budapest, Hungary
7. Department of Climatology and Landscape Ecology, University of Szeged, H-6725 Szeged, Hungary
8. Institute for Soil Sciences Centre for Agricultural Research, H-1022 Budapest, Hungary