DJ Ollis, JL Ewart-Smith, JA Day, NM Job, DM Macfarlane, CD Snaddon, EJJ Sieben, JA Dini, and N Mbona. 2015. “The Development of a Classification System for Inland Aquatic Ecosystems in South Africa”. Water SA 41 (5 October). https://doi.org/10.4314/wsa.v41i5.16.