Stormwater management for Ashmead Channel
The Knysna Estuary is often referred to as one of the most biodiverse and iconic estuaries in South Africa and is home to the critically endangered Knysna Seahorse. Poor land use practices, urban development as well as industrial and municipal discharge all contribute a significant amount of pollution to the Ashmead Channel which receives much of its runoff from urbanised and environmentally degraded areas such as the N2 roadway, Knysna CBD and the semi-formal settlements at the headwaters of the northern and eastern catchments of the estuary. Ashmead Channel is currently facing the brunt of the impacts of urbanisation, is considered eutrophic (high nutrient and low oxygen levels) and is host to a persistent algal bloom (dominated by Ulva spp.),...
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