Royal society: lecture on dam water quality

2012-09-10 00:00

ROB Hart, Emeritus Professor of the School of Life Science at the University of KwaZulu-Natal, will this week present a lecture this in the Royal Society of South Africa lecture series entitled “Removing fish to improve water quality in nutrient-polluted dams: a critique” .

The lecture will be held at the John Bews Lecture Theatre on the Life Sciences Campus at the end of Carbis Road, Pietermaritzburg, at 5.45 pm on Wednesday.

The increasing incidence and severity of nutrient pollution, or eutrophication, is emerging as a national crisis for a people-rich, but water-scarce South Africa. With dams serving as a predominant source of potable water for the nation, solutions are urgent.

Hart, who has more than 100 journal articles, a monograph on inland waters of southern Africa and several book chapters to his name, will look at existing options to address eutrophication before exploring the “food-web restructuring” — or selective fish removal — solution, touted as an effective tool to “rehabilitate” highly polluted interior systems like Hartbeespoort Dam.

Light refreshments will be supplied. Inquiries: Edith Elliott 033 260 5455.

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