Russell I. A. (2013) Spatio-temporal variability of surface water quality parameters in a South African estuarine lake system African Journal of Aquatic Science 38: 53–66

Keywords: Dissolved oxygen, long-term monitoring, pH, salinity, temperature, Touw estuary, turbidity, Wilderness lakes

Russell I. A., Randall R. M. & Hanekom N. (2014) Spatial and temporal patterns of waterbird assemblages in the Wilderness lakes complex, South Africa Waterbirds 37: 1–18

Keywords: Depth variability, salinity, submerged macrophytes, swartvlei estuary, Touw estuary, turbidity, waterbird communities