1. Agroecology; Department of Crop Science; Georg-August-University of Göttingen; Grisebachstrasse 6; D-37077; Göttingen; Germany
2. Terrestrial Ecology; Department of Biology; University of Copenhagen; Universitetsparken 15; 2100; København Ø; Denmark
3. Forest and Landscape; University of Copenhagen; Rolighedsvej 23; 1958; Frederiksberg C; Denmark
4. Department of Geosciences and Natural Resource Management; University of Copenhagen; Rolighedsvej 23; 1958; Frederiksberg; Denmark
5. Department of Chemical and Biochemical Engineering; Technical University of Denmark; DTU; DK-2800; Kgs. Lyngby; Denmark