Interrelationship between Ecological Risk Assessment with Trace Metals Levels in Surface Sediments from Fresco Lagoon, Côte d’Ivoire, West Africa

The objective of the study search out decide the trace materials concentrations in the sediments on individual help, and in another way, to recognize their main beginnings of adulteration. This study will admit an refurbishing of dossier, understanding of the inception and in consideration of adulteration of these trace metals through their dimensional classification in the amphibious surroundings of the Fresco Lagoon. Contamination of marine surroundings by trace metals has existed completely intentional in current age, on account of the evidence that metals are determined, poisonous, likely to bioaccumulate, what they encourage a risk for persons and environments.Surface sediments from Fresco Lagoon (Côte d’Ivoire) were resolved to evaluate the adulteration strength of the region. Concentrations of five picked trace metals (Pb, As, Mn, Zn, and Fe) and natural resources content were persistent in samples calm from ten (10) stations, from June 2019 to March 2020. Trace metals concentrations were persistent utilizing an ICP-OES Instrument, while the natural resources fillings were contingent upon the bulk deficit on explosion. To evaluate the ingot contamination rank in the intentional region, four dirtiness indications were more determined: Geoaccumulation Index (Igeo), Enrichment Factor (EF), Degree of Contamination (DC), and Pollution Load Index (PLI). Based on Igeo principles, the sediments of Fresco Lagoon were in the range of clean to a little infected accompanying As, but clean accompanying Zn, Pb, Mn, Fe. The Enrichment determinants of Pb, Zn, As, Mn, and Fe were: 64.22±52.32, 107.04±111.88, 227.29±203.06, 10.25±8.76, and 52.04±47.44 individually, suggesting that the beginning of those metals was more inclined be anthropogenic. The dropping current of advancement determinants was in this manner: As > Zn > Pb > Fe > Mn. Moreover, the PLI (PLI>1) granted greater principles at the stations unable to be penetrated the city district, on account of the influence of direct outside beginnings to a degree land drainage, and different anthropogenic inputs. There was no dicey hazard for benthic beings in the sediments from Fresco Lagoon when the trace ore concentrations were distinguished to the powder status guidelines. In conclusion, the judgments of the current study have showed the essentiality of highest in rank administration of anthropogenic ventures concerning trace metals usually, and Pb and As exceptionally.

Author(s) Details:

Ouattara Yè Nicaise,
Laboratoire de Constitution et Réaction de la Matière de l’Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Côte d’Ivoire.

Trokourey Albert,
Laboratoire de Constitution et Réaction de la Matière de l’Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Côte d’Ivoire.

Tuo Adama Diarrassouba,
Centre de Recherches Océanologiques (CRO), 29, Rue des pêcheurs – BP. V 18 Abidjan, Côte d’Ivoire.

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Keywords: Trace metals, geoaccumulation index, enrichment factor, contamination, Fresco Lagoon, Côte d’Ivoire