1. Department of Geography, Institute for Korean Regional Studies, Seoul National University, Seoul, South Korea
2. Department of Geography, University of Oregon, Eugene, OR, USA
3. Department of Food, Agricultural, and Biological Engineering, The Ohio State University, Columbus, OH, USA
4. Department of Plant and Soil Science, Texas Tech University, Lubbock, Texas, USA
5. Department of Biology, University of Dayton, Dayton, OH, USA
6. Heartland Geospatial, LLC, Waukee, IA, USA
7. Department of Forest Ecology, The Silva Tarouca Research Institute, Brno, Czech Republic
8. Department of Forest Botany, Dendrology and Geobiocoenology, Mendel University in Brno, Brno, Czech Republic