Articles by Keyword: Bioconcentration

Search results for Bioconcentration

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  1. A note on copper bioaccumulation in Mozambique tilapia, <em>Oreochromis mossambicus</em> (Osteichthyes: Cichlidae)

    A note on copper bioaccumulation in Mozambique tilapia, <em>Oreochromis mossambicus</em> (Osteichthyes: Cichlidae)

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Copper (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)...
  2. Metal concentrations in water, sediment and sharptooth catfish <em>Clarias gariepinus</em> from three peri-urban rivers in the upper Manyame catchment, Zimbabwe

    Metal concentrations in water, sediment and sharptooth catfish <em>Clarias gariepinus</em> from three peri-urban rivers in the upper Manyame catchment, Zimbabwe

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Concentrations 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...
  3. Organochlorine pesticides in <em>Cyprinus carpio</em> from Sidi Salem Dam, north-western Tunisia

    Organochlorine pesticides in <em>Cyprinus carpio</em> from Sidi Salem Dam, north-western Tunisia

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    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...
  4. Heavy metal concentrations in, and human health risk assessment of, three commercially valuable fish species in the lower Niger River, Nigeria

    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
    The 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...