1. Natural SciencesBennington College Bennington Vermont USA
2. Department of Forestry and Renewable Forest Resources Biotechnical Faculty University of Ljubljana Ljubljana Slovenia
3. Department of Silviculture Institute of Forest Sciences Warsaw University of Life Sciences Warsaw Poland
4. Department of Geography University of Missouri Columbia Missouri USA
5. New Zealand Forest Research Institute – Scion Rotorua New Zealand
6. Department of Silviculture Faculty of Forestry Technical University in Zvolen Zvolen Slovakia
7. Department of Life Science Tunghai University Taichung City Taiwan
8. Roztocze Base Station for the Integrated Monitoring of the Natural EnvironmentRoztoczański National Park Zwierzyniec Poland
9. Department of Forest Biodiversity Agricultural University Kraków Poland