1. Quercus; School of Biological Sciences; Queen's University Belfast; Belfast BT9 7BL UK
2. School of Biological Sciences; Queen's University Belfast; Belfast BT9 7BL UK
3. Department of Biology; University of Firenze; Via Romana 17 Firenze I-50125 Italy
4. Italian Institute for Environmental Protection and Research; Via Ca' Fornacetta 9 Ozzano Emilia (BO) I-40064 Italy
5. Institute of Wildlife Biology and Game Management; University of Natural Resources and Life Sciences; Gregor Mendel Strasse 33 Vienna A-1180 Austria
6. Institute of Global Food Security (IGFS); Queen's University Belfast; Belfast BT9 5BN UK