Integrated hazard, risk and impact assessment of tropical marine sediments from Tema Harbour (Ghana)

The potential ecological hazard, risk and impact of tropical marine sediments from the Tema Harbour (Greater Accra, Ghana) was investigated by integrating Corophium volutator and Hediste diversicolor whole-sediment toxicity bioassays with data on the metals (Cd, Pb, Cr, Ni, Cu, Zn and As) concentrat...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2017-06, Vol.177, p.24-34
Main Authors: Botwe, Benjamin O., De Schamphelaere, Kristine, Schipper, Cor A., Teuchies, Johannes, Blust, Ronny, Nyarko, Elvis, Lens, Piet N.L.
Format: Article
Language:English
Subjects:
Amphipoda
Animals
Bioaccumulation
Biological Assay
Copper - analysis
Corophium volutator
Ecology
Geologic Sediments - chemistry
Ghana
Hediste diversicolor
Hydrogen-Ion Concentration
Impact assessment
Metals
Metals - analysis
Metals, Heavy - analysis
Oxygen - chemistry
Polychaeta
Risk Assessment - methods
Water Pollutants, Chemical - analysis
Water Purification - methods
Whole-sediment bioassay
Zinc - analysis
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Summary:The potential ecological hazard, risk and impact of tropical marine sediments from the Tema Harbour (Greater Accra, Ghana) was investigated by integrating Corophium volutator and Hediste diversicolor whole-sediment toxicity bioassays with data on the metals (Cd, Pb, Cr, Ni, Cu, Zn and As) concentrations of the sediments. The whole-sediment toxicity bioassay results showed that sediments of the Tema Harbour are potentially hazardous to marine benthic invertebrates. C. volutator exhibited a higher vulnerability to the sediment toxicity than H. diversicolor, although the latter showed higher biota-sediment accumulation factors for the investigated metals. Statistically significant correlations were observed between C. volutator mortality and sediment Cd concentration (r = 0.84, p 
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2017.02.138