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Manuscript Details
Vol. 8 Issue 1 June 2017
Research Article
Sediment baseline study of levels, distributions and potential ecological risks of heavy metals in Bahiret El Bibane Lagoon (Tunisia, Southwestern Mediterranean Sea)
Badreddine Barhoumi, Soufiane Jouili, Abdelkader Derouiche, Anis Elbarhoumi, Ghzela Mahfoudhi, Atef Atyaoui, Sondes Bouabdallah, Soufiane Touil and Mohamed Ridha Driss
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Abstract:

Research Article

 

GERF Bulletin of Biosciences

June 2017, 8(1):1-14

Published Online: 30 June 2017

 

Sediment baseline study of levels, distributions and potential ecological risks of heavy metals in Bahiret El Bibane Lagoon (Tunisia, Southwestern Mediterranean Sea)

 

 

Badreddine Barhoumi1*, Soufiane Jouili2, Abdelkader Derouiche1, Anis Elbarhoumi 3, Ghzela Mahfoudhi1, Atef Atyaoui4, Sondes Bouabdallah1, Soufiane Touil1 and Mohamed Ridha Driss1

 

 

1Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021-Jarzouna, Tunisia

2Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia

3Department of Earth Sciences, Faculty of Sciences of Bizerte, University of Carthage, 7021-Jarzouna, Tunisia

4Office National des Mines, Siège social de l’ONM 24, rue de L’Energie, 2035 La Charguia – Tunis, 1080 Tunis, Tunisia

 

*Corresponding author: barhoumibadredine@yahoo.fr

 

Abstract

 

The study aimed to providing a baseline on the state of the sediments contamination of the Bahiret el Bibane Lagoon by heavy metals, which is one of the most productive lagoons and one of the most important active commercial fish traps in the southern Tunisia. The sediment samples collected from 10 sites were subjected to a digestion with aqua regia and analysed for major (Mn, and Fe) and trace (As, Cd, Cr, Cu, Pb, Zn, Ni and Co) elements by inductively coupled plasma-atomic emission spectroscopy (ICP-AES). Results showed that heavy metal concentrations in the sediments are generally low compared to other coastal areas of the Mediterranean Sea. Geochemical approaches (enrichment factor and geo-accumulation index) indicated a widespread pollution by Cu, Pb and Zn and show that these heavy metals originate from anthropogenic sources. According to established sediment quality guidelines (SQGs), the risk for the benthic biota was insignificant.

 

Key Words: Surface sediments; metals; geochemical approaches; sediment quality criteria; Bahiret el Bibane lagoon; Mediterranean Sea

 

 © Barhoumi et al., 2017; licensee Green Earth Research Foundation. This article distributed under terms of Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/). Which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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