1. Department of Physical Geography, Eötvös Loránd University, Budapest, Hungary
2. Institute for Soil Sciences and Agricultural Chemistry, Department of Soil Mapping and Environmental Informatics, Hungarian Academy of Sciences, Budapest, Hungary
3. Centre for Ecological Research, Hungarian Academy of Sciences, Tihany, Hungary
4. Department of Environmental and Landscape Geography, Eötvös Loránd University, Budapest, Hungary
5. Department of Economics, Partium Christian University, Oradea, Romania
6. Department of Physical and Applied Geology, Eötvös Loránd University, Budapest, Hungary