Browsing Research Articles (University of Pretoria) by Author "Wagenaar, G.M."

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Histopathological changes in two potential indicator fish species from a hyper-eutrophic freshwater ecosystem in South Africa : a baseline study

Marchand, M.J.; Van Dyk, Jacobus C.; Barnhoorn, Irene E.J.; Wagenaar, G.M. (Taylor & Francis, 2012)

Histopatholigical changes were identified in selected target organs from two freshwater fish species, Clarias gariepinus and Oreochromis mossambicus, inhabiting a hyper-eutrophic freshwater aquatic system. The approach was ...
Organochlorine pesticide levels in Clarias gariepinus from polluted freshwater impoundments in South Africa and associated human health risks

Barnhoorn, Irene E.J.; Van Dyk, Jacobus C.; Genthe, Bettina; Harding, W.R.; Wagenaar, G.M.; Bornman, Maria S. (Riana) (Elsevier, 2015-02)

There are increasing concerns regarding the safe human consumption of fish from polluted, freshwater impoundments. The aim of this study was to analyse the muscle tissue of the sharptooth catfish Clarias gariepinus for ...

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