1. South African Environmental Observation Network (SAEON): Arid Lands Node, Kimberley, South Africa
2. Plant Conservation Unit, University of Cape Town, Cape Town, South Africa
3. Wolwekraal Conservation and Research Organisation, Prince Albert, South Africa
4. FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
5. Centre for Environmental Management, University of the Free State, Bloemfontein, South Africa