1. DST/NRF Research Chair in Shallow-Water Ecosystems, Nelson Mandela University, Port Elizabeth, South Africa
2. Department of Biodiversity and Conservation Biology, University of the Western Cape, Cape Town, South Africa
3. Department of Hydrology, University of Zululand, KwaDlangezwa, South Africa
4. CSIR Natural Resources and the Environment, Durban, South Africa
5. South African Institute for Aquatic Biodiversity (SAIAB), Grahamstown, South Africa
6. Department of Zoology and Entomology, Rhodes University, Grahamstown, South Africa
7. Department of Botany, Nelson Mandela University, Port Elizabeth, South Africa