Seawater quality assessment and identification of pollution sources along the central coastal area of Gabes Gulf (SE Tunisia): Evidence of industrial impact and implications for marine environment protection

Marine Pollution Bulletin
Radhouan El ZrelliPierre Courjault-Radé

Abstract

Temperature, pH and trace elements (F, P, Cr, Cu, Zn, Cd, and Pb) contents were determined in 16 stations as well as in 2 industrial and 2 domestic discharge sources, in the central coastal area of the Gulf of Gabes. Compared to the northern and southern areas of the study area, the highest contents of contaminants were reached in the central area which hosts the coastal industrial complex. The seawater in this central area was also found to be acid and of higher temperature. Based on the Water Pollution Index results, an increasing degradation gradient of the seawater quality was revealed from northern and/or southern stations to central ones, categorized as 'strongly to seriously affected'. Phosphogypsum wastes dumped by the Tunisian Chemical Group (GCT) seem to have continuously degraded the seawater quality in the study area. A rapid intervention is needed to stop the effects on the marine environment.

Citations

Nov 25, 2020·Marine Pollution Bulletin·Jean-Claude DauvinLassad Neifar
Mar 12, 2021·Environmental Science and Pollution Research International·Mohamed DellaliFehmi Boufahja
Aug 25, 2021·Environmental Monitoring and Assessment·Karina Caballero-GallardoAna Juan-García
Jul 8, 2021·Environmental Science and Pollution Research International·Nawfel MosbahiJean-Claude Dauvin
Jan 14, 2022·Environmental Science and Pollution Research International·Foued HamzaMohamed-Ali Chokri

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