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 relating to space dispersion in the floating surroundings of the Fresco Lagoon. Contamination of maritime atmosphere by trace metals has existed completely intentional in current age, on account of the case 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 quality of the region. Concentrations of five picked trace metals (Pb, As, Mn, Zn, and Fe) and natural resources content were driven in samples composed from ten (10) stations, from June 2019 to March 2020. Trace metals concentrations were driven utilizing an ICP-OES Instrument, while the natural resources fillings were contingent upon the bulk misfortune on explosion. To evaluate the mineral contamination rank in the intentional region, four dirtiness indications were likewise planned: 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 rather violated 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 style of advancement determinants was in this manner: As > Zn > Pb > Fe > Mn. Moreover, the PLI (PLI>1) presented bigger principles at the stations unable to be penetrated the city district, on account of the influence of direct extrinsic beginnings in the way that land drainage, and different anthropogenic inputs. There was no perilous hazard for benthic beasts in the sediments from Fresco Lagoon when the trace ore concentrations were distinguished to the powder kind flags. In conclusion, the verdicts of the current study have manifested the need of high-quality 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

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