1. Bavarian Forest National Park; Freyunger Str. 2, 94481 Grafenau; Germany
2. Landscape Ecology; Georg-August-University of Göttingen; Goldschmidtstr. 5, 37077 Göttingen; Germany
3. Faculty of Forestry and Wood Sciences; Czech University of Life Sciences; Kamýcka 129, Praha 6 Suchdol 16521 Czech Republic
4. Forest Inventory and Analysis; Rocky Mountain Research Station; 507 25th Street Ogden UT 84401 USA
5. Chair of Terrestrial Ecology; Technische Universität München; Hans-Carl-von-Carlowitz-Platz 2, 85354 Freising-Weihenstephan Germany
6. Šumava National Park; 1.máje 260, 385 01 Vimperk Czech Republic
7. Washington State Department of Natural Resources; Box 47014 Olympia WA 98504 USA