Table 3. The heavy metal concentrations range in superficial sediments (mg/kg.dw) in the area of study and those in different coastal region around the world.
Location (Country)
Zn
Cu
Pb
Cd
Fe
Reference
Azzefoun fish farm (Algeria)
103.67 ± 13.65
21.93 ± 1.77
22.7 ± 0.3
0.14 ± 0.017
22.47 ± 1.36
Present study
Mariculture area
Southern China
36.8–104
17.8–26
28.2–42.2
0.17–0.22
–
Xia et al. (2015) �
Guangdong Province, Southern China
169.0 ± 11.9
55.9 ± 13.0
20.7 ± 15.4
–
–
Gu and Lin (2016)
Greece
132
68
14
0.22
2.7
Kalantzi et al. (2013)
Southeastern Aegean Sea (Turkey)
80.8 ± 0.45
25.2 ± 0.14
20.0 ± 2
0.56 ± 0.08
–
Dalman, Demirak, and Balcı (2006)
Scottish marine farms (UK)
89.1 ± 77.1
35.8 ± 54.7
–
–
–
Russell et al. (2011)
Algerian coastal
Algerian coast
17.4–234.1
3.7–30.2
6.6–37.8
0.06–0.47
–
Ahmed et al. (2018)
Gulf of Annaba (East-Algeria)
285.96 ± 166.44
103.88 ± 72.51
117.0 ± 98.49
1.96 ± 1.19
Ouali, Belabed, and Chenchouni (2018)
Algiers and Bou-Ismail bay (Algeria)
95 ± 103
24 ± 30
20 ± 8.9
0.43 ± 0.17
23.464 ± 8912
Bachouche et al. (2017)
Ain Temouchent coast (West-Algeria)
120.17–193.31
20.14–21.64
24.38–57.27
1.45–16.84
16.30–32.15
Kouidri et al. (2016)
Around the world
Mediterranean lagoon (Tunisia)
357
18
73
0.3
4.4
Zaaboub et al. (2015)
Western Adriatic Sea
91 ± 24
24 ± 9
15 ± 5
–
–
Lopes-Rocha et al. (2017)
Red Sea (Egypt)
7.47
1.23
41.89
0.14
345.7
Nour et al. (2018)
Sediment quality criteria SQGs
TEL (threshold effect level)
123
35.7
35
0.6
Burton (2002) �
TET (toxic effect threshold)
540
86
170
3
Burton (2002)
ERM (effect range median)
270
390
110
9
Burton. (2002)
Shale backround
95
45
20
0.3
47.2
Turekian and Wedepohl (1961)
Reference values (Europe)
88
26
22
0.6
–
Boust (1981)
JOURNAL OF APPLIED AQUACULTURE
7