Assessment of trace metal contamination and phosphorus dynamic in sediments of Monastir Bay (Tunisia)

Author:

Ben Mefteh Amina1,Mesnage Valérie2,Ben Jeddi Sarra1,Helali Mohamed-Amine1,Zaaboub Noureddine3,Barrois Jean-Marie4,Oueslati Walid1

Affiliation:

1. University of Tunis, TN

2. CNRS, FR

3. INSTM, TN

4. CNRS, French National Centre for Scientific Research, FR

Abstract

The Metallic Trace Elements were measured in the sediment, their concentrations highlighted a moderate pollution despite the human activities (urban-wastewater, harbour, textile industries). The phosphorus dynamic is controlled by environmental conditions, (i) oxic sediment with basic pH enhance the FeOOH formation then the phosphorus fixation on FeOOH or CaCO3 in sediment whatever the sediment lithology and (ii) anoxic and acidic sediment enhance the formation of ROP (Residual Organic Phosphorus) in correlation with the presence of aquatic plants (Posidonia meadow) in the sediment.

Publisher

Firenze University Press

Reference39 articles.

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2. Atilio F. (2015) – Analyse comparative des méthodes d’interpolation pour MNT – Blog SIG & Territoires (accessed 6.24.20).

3. Ayadi N., Aloulou F., Bouzid J. (2014) – Assessment of contaminated sediment by phosphate fertilizer industrial waste using pollution indices and statistical techniques in the Gulf of Gabes (Tunisia), Arab J. Geosci. 8, pp. 1755-1767.

4. Bazairi H., Ben Haj S., ; Boero F. (2010). The Mediterranean Sea biodiversity: state of the ecosystems, pressures, impacts and future priorities. In UNEP-MAP Regional Activity Centre for Specially Protected Areas RAC-SPA Tunis (TUN) 100 p.

5. Bel Hadj Ali I. (2013) – Contribution à l’étude des sédiments marins tunisiens : cas des ports de Radès et de Gabès. Ecole Centrale de Lille.

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