Assessment of heavy metals pollution in the gulf of Gabes (Tunisia) using four mollusk species

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2013 (EL)
Assessment of heavy metals pollution in the gulf of Gabes (Tunisia) using four mollusk species (EN)

RABAOUI, L.
TLIG-ZOUARI, S.
BALTI, R.
ZRELLI, R.

Since the establishment of the ‘Tunisian Chemical Group’ in Gabes city, Tunisia, no serious investigations were carried out about the heavy metal pollution in Gabes gulf.  In the present study, the contents of four heavy metals were assessed in four mollusk species (two gastropods, Gibbula ardens and Patella caerulea, and two bivalves, Pinctada radiata and Pinna nobilis), collected from twelve coastal stations. The results obtained showed generally that high concentrations of heavy metals were recorded in the central area of Gabes gulf, nearer to Gabes city; the low concentrations were in contrast found at the edges of this gulf, which is probably due to the chemical pollution generated from the huge industry of phosphoric acid in Gabes city. Comparing the results found with the four examined species, the lowest concentrations were noted with the two bivalve species P. radiata and P. nobilis. The highest heavy metals’ concentrations, noted during this study, are comparable to the findings of other authors in other areas, but they are considerably beyond the standards. A remediation action is necessarily needed either by reducing the amount of heavy metals in the phosphgypums quantities thrown directly in the sea or by stopping completely this harmful industry to protect the marine life in the area. A remediation action is necessarily needed to protect the marine life in the area. (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

heavy metals, pollution control, Industrial wastes, mollusk, Gabes gulf, Tunisia. (EN)

Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ) (EL)
Hellenic Centre for Marine Research (HCMR) (EN)

Mediterranean Marine Science

2013-08-02


Hellenic Centre for Marine Research (EN)

1791-6763
1108-393X
Mediterranean Marine Science; Vol 15, No 1 (2014); 45-58 (EL)
Mediterranean Marine Science; Vol 15, No 1 (2014); 45-58 (EN)



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