Bioavailability and Assessment of Metal Contamination in Surface Sediments of Rades-Hamam Lif Coast, around Meliane River (Gulf of Tunis, Tunisia, Mediterranean Sea)

Table 5

Comparison between heavy metals in the studied sediments and other worldwide localities.

Locations	Cd	Cu	Zn	Cr	Pb	Ni	Reference
Rades-Hamam Lif Coast	0.25–1.37	1.53–19.55	27.34–450.68	15.55–55.44	16.14–107.2	13.98–50.88	Present study
Rosetta coast beach	21–37	7.6–42.7	53–388	0.10–0.29	214–476	114–894	El Sorogy et al. [14]
North Morocco	0.1–0.3	2.8–29.11	63.7–115.3	88.4–161	35.4–447.8	34.2–79.9	Omar et al. [28]
Spain	0.003–0.28	4.4–29.2	22.3–103.2	31.8–394.7	7.7–30.4	0.1–11.6	Diaz de Alba et al. [29]
Mouth of Mejerda River (Gulf of Tunis)	—	62	209	—	25	72	Zaaboub et al. [26]
UCC: crust average	0.2	32	127	71	16	49	Martin and whitefield [25]
Background shale	0.3	45	95	90	20	68	Turkian and Wedpohl [27]
Background continental crust	0.2	55	70	100	12.5	75	Taylor [30]