1. Centre for African Conservation Ecology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa
2. Agricultural Research Council–Animal Production Institute, Grahamstown, South Africa
3. Institute for Water Research, Rhodes University, Grahamstown, South Africa
4. Department of Geography and Environmental Studies, Stellenbosch University, Stellenbosch, South Africa
5. Department of Construction and Surveying, Glasgow Caledonian University, Glasgow, UK