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A note on copper bioaccumulation in Mozambique tilapia, Oreochromis mossambicus (Osteichthyes: Cichlidae)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Irene Naigaga Horst KaiserCopper (Cu) is one of the most commonly reported metal pollutants in African water bodies, but there are few studies on African freshwater fish species of copper accumulation and copper toxicity. Adult O. mossambicus were exposed to 0mg l−1 (control)... -
Metal concentrations in water, sediment and sharptooth catfish Clarias gariepinus from three peri-urban rivers in the upper Manyame catchment, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Nhiwatiwa --- Department of Biological Sciences, Zimbabwe M Barson --- Department of Biological Sciences, Zimbabwe AP Harrison --- Department of Animal and Veterinary Basic Sciences, Denmark B Utete --- Department of Biological Sciences, Zimbabwe RG Cooper --- Division of Physiology, UKConcentrations of zinc, cadmium, chromium, nickel, lead, copper and iron were measured in flowing water, riverbed sediments and tissues of sharptooth catfish Clarias gariepinus from three rivers in the upper Manyame catchment over seven months in 2008–2009. The Manyame and... -
Organochlorine pesticides in Cyprinus carpio from Sidi Salem Dam, north-western Tunisia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Mzoughi --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, R Ennouri --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, L Chouba --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin,Cyprinus carpio (Linnaeus, 1758) caught in Sidi Salem Dam in 2011 were analysed for the levels of organochlorine pesticides (OCPs), including hexachlorobenzene (HCB), aldrin, heptachlor, lindane, dieldrin, endrin, and pp′-DDT and its two main metabolites pp′-DDD and pp′-DDE, in order... -
Heavy metal concentrations in, and human health risk assessment of, three commercially valuable fish species in the lower Niger River, Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JC Madu --- Department of Zoology and Environmental Biology, Nigeria GE Odo --- Department of Zoology and Environmental Biology, Nigeria CN Asogwa --- Department of Zoology and Environmental Biology, Nigeria CD Nwani --- Department of Zoology and Environmental Biology, NigeriaThe concentrations of Fe, Mn, Ni, Pb and V in water, sediment and the gill, liver and muscle tissues of Synodontis resupinatus, Heterotis niloticus and Clarias gariepinus, all commercially important fish species of the lower Niger River, were investigated in...