Table 2.

Comparison table of metal concentrations (μg/g) in other Mediterranean Sea coastal sediments and worldwide

	Cu	Zn (μg/g)	Ni (μg/g)	Pb (μg/g)	Cd (μg/g)	Co (μg/g)	Fe (μg/g)	Mn (μg/g)	References
Delta region coastal sediments, Egypt	11.7 1.2–33.2	119.8 33.2–179.9	26.3 4.4–68	10.2 0.4–25.1	2.1 0.7–4.8	13.5 2–34.7	18,000.1 1200–36,700	213.2 1.9–961.9	Present study
Dhamara coast estuary, India	7.4–30.5	47.5–93.9	45.4–90.7	5.9–19	0.7–1.3	-	28,508.9–57,405.9	430.6–820.9	(Sahoo & Swain, 2023)
Estuarine sediments, Black Sea	82.7	155	45	93.7	1	18	56,659.8	1168.5	(Aydın et al., 2023)
Red Sea	0.02–1.56	0.99–19.56	0.06–4.83	0.41–5.46	0.01–0.19	0.12–2.14	2252–5292	141–2104	(Al-Kahtany, Nour, Giacobbe, et al., 2023)
Bizerte coastal line, Tunisia	0.01–5.1	0.8–6.3	0.2–1.6	0.3–41.5	0.01–0.2	0.02–0.3	113,000–955,000	0.8–7.4	(Aydi et al., 2022)
Algerian Mediterranean Sea sediments, Algeria	1.1–10.4	5.3–45.7	0.8–54.9	1.3–11.5	0.1–2.3	-	-	-	(Aydi et al., 2022)
Pearl Bay, China	0.3–67.9	6.4–110.5	-	9.6–68.7	0.02–2.7	-	-	-	(Yang et al., 2022)
Delta coastal sediments, Egypt	-	16.8–140.6	8.4–66.3	2.8–19.6	0.04–0.4	5.2–33.7	-	-	(Mandour et al., 2021)
Bay of Quiberon, South Brittany waters, France	2.6–40.9	4.6–98.9	-	3.6–28	0.01–0.2	-	-	-	(Ong et al., 2021)
Gulf of Morbihan, South Brittany waters, France	1.2–48.6	4.8–89.9	-	2.4–42.7	0.01–0.3	-	-	-	(Ong et al., 2021)
Khnifiss Lagoon, Mediterranean Sea Morocco	2–12.6	15–101	10–26.1	2.5–12.4	0.1–0.4	1.2–7.1	-	-	(Tnoumi et al., 2020)
The coast of Aliağa, Mediterranean Sea Turkey	20–703	86.8–129.0	28–240	91.3–751	0.06–3.9	-	-	283–1192	(Neşer et al., 2012)
Earth crust background	45	95	68	20	0.3	19	47,000	850	(Turekian & Wedepohl, 1961)