Sawmill activities near the Lagos lagoon, Nigeria: Polycyclic aromatic hydrocarbons analysis and embryotoxic evaluations of sediment extracts using Clarias gariepinus

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dc.contributor.authorSogbanmu, Temitope O.
dc.contributor.authorFatunsin, Oluwatoyin T.
dc.contributor.authorEchebiri, Folake O.
dc.contributor.authorOtitoloju, Adebayo A.
dc.contributor.authorOlayinka, Kehinde O.
dc.date.accessioned2020-05-30T18:42:34Z
dc.date.available2020-05-30T18:42:34Z
dc.date.issued2020-04-20
dc.description.abstractThe physicochemical parameters and 16 priority PAHs in surface water, porewater and sediment at a sawmill wastes-impacted and High-Rise study sites on the Lagos lagoon in Nigeria were assessed. Further, the embryotoxic effects of sediment organic and porewater extracts from the study sites were evaluated in Clarias gariepinus (African sharptooth catfish) embryos for 26 h. High molecular weight PAHs dominated the PAHs profile especially in the sediment. Source apportionment of the PAHs in the three environmental matrices revealed mainly pyrogenic sources. Developmental abnormalities and decreased hatching success were observed in C. gariepinus embryos exposed to extracts from the Okobaba site compared to High-Rise study site. The results demonstrate the potential though non-significant ecological risk of sawmill activities near the lagoon on water quality and fisheries. Further studies are recommended to provide holistic evidence-based information to promote sustainable fisheries in the lagoon in support of the UN SDGs 13 (climate action) and 14 (life below water).en_US
dc.description.sponsorshipThis project was supported in part by funds from the PADI Foundation (CGA 21826) to TO Sogbanmu.en_US
dc.identifier.citationSogbanmu, T. O., Fatunsin, O. T., Echebiri, F. O., Otitoloju, A. A. and Olayinka, K. O. (2020). Sawmill activities near the Lagos lagoon, Nigeria: Polycyclic aromatic hydrocarbons analysis and embryotoxic evaluations of sediment extracts using Clarias gariepinus. Bulletin of Environmental Contamination and Toxicology DOI: 10.1007/s00128-020-02845-6en_US
dc.identifier.otherhttps://doi.org/10.1007/s00128-020-02845-6
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/8340
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectAfrican sharptooth catfshen_US
dc.subjectPolycyclic Aromatic Hydrocarbonsen_US
dc.subjectSediment organic extractsen_US
dc.subjectSustainable development goalsen_US
dc.subjectLagos lagoonen_US
dc.subjectSDG 14en_US
dc.subjectResearch Subject Categories::NATURAL SCIENCES::Biology::Organism biology::Developmental biologyen_US
dc.titleSawmill activities near the Lagos lagoon, Nigeria: Polycyclic aromatic hydrocarbons analysis and embryotoxic evaluations of sediment extracts using Clarias gariepinusen_US
dc.typeArticleen_US
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