Contamination and environmental risk assessment of heavy metals in marine sediments from Tahaddart estuary (NW of Morocco)

The distribution, contamination status, and ecological risks of heavy metals in Tahaddart estuary were investigated. 24 surface sediment samples and two cores were collected and analyzed for major (Al and Fe), heavy metals (As, Cd, Cr, Cu, Ni, Pb, and Zn), and grain size composition. The heavy metal...

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Bibliographic Details
Published in:Human and ecological risk assessment 2020-01, Vol.26 (1), p.87-102
Main Authors: El Barjy, Meryem, Maanan, Mehdi, Maanan, Mohamed, Salhi, Fouad, Tnoumi, Ali, Zourarah, Bendahhou
Format: Article
Language:English
Subjects:
Aluminum
Anthropogenic factors
Aquatic organisms
Cadmium
Chromium
Contamination
Copper
Cores
Distribution patterns
ecological and biological risk
Electric power distribution
Electric power generation
Environmental assessment
Environmental risk
Environmental studies
Estuaries
Grain size
Heavy metals
Highway bridges
Human influences
Humanities and Social Sciences
Iron
Lead
Marine sediments
Metal concentrations
Nickel
Pollution index
Power plants
Risk assessment
Sediment pollution
sediment quality guidelines
Sediment samplers
Sediments
Spatial distribution
Tahaddart ecosystem
Thermal power
Thermal power plants
Toxicity
Zinc
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Summary:The distribution, contamination status, and ecological risks of heavy metals in Tahaddart estuary were investigated. 24 surface sediment samples and two cores were collected and analyzed for major (Al and Fe), heavy metals (As, Cd, Cr, Cu, Ni, Pb, and Zn), and grain size composition. The heavy metals assessment was carried out using different environmental indices. The results indicated that the spatial distribution patterns of Al, Fe, and Zn were mainly determined by the distribution of the finer grained fraction (
ISSN:1080-7039
1549-7860
DOI:10.1080/10807039.2018.1495056