Sawmill Activities Near the Lagos Lagoon, Nigeria: Polycyclic Aromatic Hydrocarbons and Embryotoxic Evaluations of Sediment Extracts Using Clarias gariepinus

被引：4

作者：

Sogbanmu, Temitope O. ^{[1
]}

Fatunsin, Oluwatoyin T. ^{[2
]}

Echebiri, Folake O. ^{[2
]}

Otitoloju, Adebayo A. ^{[1
]}

Olayinka, Kehinde O. ^{[2
]}

机构：

[1] Univ Lagos, Fac Sci, Dept Zool, Ecotoxicol & Conservat Unit, Lagos, Nigeria

[2] Univ Lagos, Fac Sci, Dept Chem, Lagos, Nigeria

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2020年 / 104卷 / 06期

关键词：

African sharptooth catfish; PAHs; Sediment organic extracts; SDGs; Lagos lagoon; CALLINECTES-AMNICOLA; TOXICITY; RIVER; COMBINATION; POLLUTION; RESIDUES; QUALITY; WATER; PAHS; SOIL;

D O I：

10.1007/s00128-020-02845-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The 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).

引用

页码：809 / 819

页数：11

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