Authors Specie | Origin | Pb (ppm) | Cu (ppm) | Zn (ppm) | Cd (ppm) |
Tuncer and Mg Yaramaz** (1982) [36] | Bay of Izmir (Turkey) | 1.36 | 6.92 | 2791.1 |
|
Asso** (1984) [37] Pp | Bay of Algiers (Algeria) | 6.31 | 13.1 | 200 | 1.26 |
Coimbra **et al. (1991) [38] Me | Littoral of Portugais | - | 13.4 | 542 | 1.25 |
Pempkowiak** et al. Me (1999) [39] | Sea of Baltic | 5.22 | 13.40 | 269 | - |
Tahiri ***et al. (2005) [34] Mg | Bouregreg (Morocco) | 4.08 | 8.77 | 225 | 0.48 |
Our study*** Mg | Port of Oran (Algeria) | 7.85 | 0.37 | 4.59 | 0.97 |