Coastal area

Fe

Co

Cu

Cd

Pb

Reference

Coast of Cameroon

3.6 - 77.5

12 - 21.5

0.6 - 1.7

1.4 - 2.5

0.7 - 1.1

This study

Coast of Ghana

6.3 - 38

nd

nd - 1

nd - 0.1

nd - 0.3

(Bandowe et al., 2014)

Coast of Togo

0.7 - 7

–

0.03 - 3.5

nd - 0.1

nd - 15

(Gnandi et al., 2011)

Coast of Mauritania

-

-

0.2 - 1.7

0.001 - 0.068

-

(Sidoumou et al., 2005)

Western and Central Africa coastal waters

-

-

0.46 - 11.3

0.10 - 0.26

0.36 - 2.28

(Biney et al., 1994)