1. Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Tartu, Estonia
2. Department of Geography, University of Tartu, Tartu, Estonia
3. Faculty of Civil Engineering and Architecture Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
4. Department of Landscape Monitoring, NIBIO – Norwegian Institute of Bioeconomy Research, Ås, Norway
5. WSL – Swiss Federal Institute for Forest, Snow and Landscape Research, Economics and Social Sciences, Birmensdorf, Switzerland