1. Biodiversity Informatics Unit Department of Mathematical Sciences Stellenbosch University Matieland South Africa
2. Centre for Invasion Biology Faculty of Sciences Stellenbosch University Matieland South Africa
3. IHE Delft Institute for Water Education Delft The Netherlands
4. Department of Soil Science Stellenbosch University Matieland South Africa
5. Department of Conservation Ecology and Entomology Stellenbosch University Matieland South Africa
6. Department of Botany and Zoology Stellenbosch University Matieland South Africa
7. Theoretical Ecology Group African Institute for Mathematical Sciences Cape Town South Africa
8. International Initiative for Theoretical Ecology London UK