1. Kirstenbosch Research Centre South African National Biodiversity Institute Claremont South Africa
2. Department of Conservation Ecology and Entomology Stellenbosch University Private Bag X1, Matieland 7602 South Africa
3. Centre for Invasion Biology, Department of Conservation and Marine Sciences Cape Peninsula University of Technology PO Box 652 Cape Town 8000 South Africa
4. Department of Environmental and Geographical Science University of Cape Town Cape Town South Africa
5. Faculty of Sciences of Tunis University of Tunis El‐Manar Tunis Tunisia
6. School of Natural Resources and the Environment University of Arizona Tucson AZ 85721 U.S.A.
7. Kenya Marine and Fisheries Research Institute PO Box 81651‐80100, Silos Road, English Point, Mkomani, Mombasa Kenya
8. Island Conservation Society (ICS) Pointe Larue, PO Box 775, Victoria, Mahé Seychelles
9. Water Research Commission Private Bag X03, Gezina 0031 South Africa
10. Department of Agricultural Sciences South Eastern Kenya University PO Box 170‐90200, Kitui Kenya
11. Department of Forest Sciences University of Helsinki Latokartanonkaari 7, 00790 Helsinki Finland
12. Sustainable Ecosystems Impact Area Council for Scientific and Industrial Research (CSIR) Stellenbosch South Africa
13. School of Geography and Sustainable Development University of St Andrews Scotland U.K.
14. Centre for Strategic Research and Studies National Defence College Abuja Nigeria
15. FitzPatrick Institute of African Ornithology University of Cape Town Rondebosch 7700 South Africa
16. Department of Botany and Zoology Stellenbosch University Private Bag X1, Matieland 7602 South Africa