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Levels and ecological risk assessment of heavy metals in surface sediments of fishing grounds along Algerian coast

Ahmed, Inal ; Mostefa, Boulahdid ; Bernard, Angelleti ; Olivier, Radakovitch

Marine pollution bulletin, 2018-11, Vol.136, p.322-333 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
Levels and ecological risk assessment of heavy metals in surface sediments of fishing grounds along Algerian coast
Autor: Ahmed, Inal ; Mostefa, Boulahdid ; Bernard, Angelleti ; Olivier, Radakovitch
Assuntos: Algeria ; Algerian coast ; Animals ; Anthropogenic factors ; Cadmium ; Chromium ; Copper ; Ecological risk assessment ; Ecosystem ; Ecosystems ; Ecotoxicology ; Environmental Monitoring - methods ; Environmental risk ; Fishing ; Fishing grounds ; Fishing zones ; Geologic Sediments - chemistry ; Heavy metals ; Iron ; Lead ; Life Sciences ; Manganese ; Mediterranean Sea ; Metals, Heavy - analysis ; Nickel ; Organic chemistry ; Pollutant load ; Pollution ; Pollution index ; Pollution load ; Risk Assessment ; Seafood ; Seawater - chemistry ; Sediment ; Sediments ; Stations ; Trace metals ; Water Pollutants, Chemical - analysis ; Zinc
É parte de: Marine pollution bulletin, 2018-11, Vol.136, p.322-333
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The level and the ecological risk assessment of heavy metals (Zn, Cu, Mn, Fe, Ni, Cr, V, As, Pb, Cd and Co) were evaluated in surface sediments from fifty-one stations along the Algerian coast. The main objective was to evaluate the risk that such metals may cause to the ecosystem, and thus the stations were choose in relation with the fishing trawlable areas of Algeria. The usual chemical indexes Geoaccumulation index (Igeo), Enrichment factor (EF) and Pollution Load Index (PLI) as well as potential ecological risk index reveal that the metal pollution along this coast is low, and is only related to As contents. Nevertheless, the concentrations of Ni, Cr and As exceed their respective ERL values (Effect range low) usually applied for Sediment Quality Guideline. However, Cr and Ni are mainly natural and cannot be related to anthropogenic inputs and their ecotoxicological levels as to be questioned. •Assessment of heavy metals contamination of sediments from the main fishing grounds areas along Algerian coast.•The ecological risk is low and mainly associated to Arsenic.•Chrome, nickel and arsenic are the only metals showing values above the ERL levels.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Levels and ecological risk assessment of heavy metals in surface sediments of fishing grounds along Algerian coast

Ahmed, Inal ; Mostefa, Boulahdid ; Bernard, Angelleti ; Olivier, Radakovitch

England: Elsevier Ltd

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