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324590

Assessment of heavy metal distribution, contamination, and ecological risk in mangrove sediments of the Nabq Protectorate, Gulf of Aqaba

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Last updated: 01 Jan 2025

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Abstract

This study investigates the distribution and characteristics of heavy metals (Cu, Fe, Cd, Pb, Zn, and Mn) in the mangrove sediments of the Nabq Protectorate in the Gulf of Aqaba. The concentrations of these metals were analyzed at various sampling sites, and their values were compared to reference standards to assess the level of contamination. The results indicate that the studied sites are generally uncontaminated when compared to crustal averages and upper-crust values. Iron (Fe) exhibited the highest concentration, followed by Mn, Pb, Zinc, Cu, and Cd. The sediments in the research area were found to have relatively low concentrations of heavy metals, except for Cd, at one specific location, suggesting ongoing pollution from human activities. Strong positive correlations were observed between Zn, Cu, Mn, and Fe, while Pb showed a weak positive correlation. Cd had a negative correlation with the other metals, indicating a distinct source. The results of the geo-accumulation index (Igeo) and potential ecological risk index (PERI) suggest mild pollution intensity and low ecological risk in most of the study area. However, continuous monitoring is recommended to ensure the preservation of the ecosystem. The average percentage contributions to potential acute toxicity revealed that Cd had the highest contribution, followed by Pb, Zn, and Cu. Overall, the study concludes that the ecological risk posed by heavy metals in the research area is relatively low based on the ∑TU criterion.

DOI

10.21608/ejabf.2023.324590

Keywords

Heavy metals, mangrove sediments, ecological hazards, Contamination, Risk assessment, Gulf of Aqaba

Authors

First Name

Alaa M.

Last Name

Younis et al.

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Volume

27

Article Issue

5

Related Issue

43340

Issue Date

2023-09-01

Receive Date

2023-11-05

Publish Date

2023-09-01

Page Start

1,299

Page End

1,320

Print ISSN

1110-6131

Online ISSN

2536-9814

Article File

EJABF_Volume 27_Issue 5_Pages 1299-1320.pdf

PDF . 739.0kB

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https://ejabf.journals.ekb.eg/article_324590.html

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https://ejabf.journals.ekb.eg/service?article_code=324590

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74

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Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Assessment of heavy metal distribution, contamination, and ecological risk in mangrove sediments of the Nabq Protectorate, Gulf of Aqaba

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Article

Created At

23 Dec 2024