1. Forest Ecology and Management, Swedish University of Agricultural Sciences , Skogmarksgränd 17, 90183 Umeå , Sweden
2. Leibniz-Centre for Agricultural Landscape Research (ZALF) e.V. , Eberswalder Str. 84, 15374 Müncheberg , Germany
3. Global Change Research Institute CAS , Bělidla 986/4a, 60300 Brno , Czechia