Preliminary Assessment of Trace Metal Pollution and Their Bioaccumulation in Mollusks Inhabiting the Intertidal Sediments of the Atlantic Coast of Accra, Ghana

Table 5

Biota-sediment bioaccumulation factors of the gastropod Agaronia razetoi (Ar) and bivalve Tivela tripla (Tt) from the sampling sites.

Sites	Cu	Mn	Zn	Cr
Site 1 (S1)^Ar	0.868 ± 0.25 a	bd	9.15 ± 2.63 a	0.39 ± 0.01 a
Site 2 (S2)^Ar	3.41 ± 0.12 b	bd	1.38 ± 0.04 b	0.07 ± 0.02 b
Site 3 (S3)^Tt	1.82 ± 0.33 a	bd	2.30 ± 0.68 b	0.20 ± 0.02 c

The values shown are mean ± SE (with n = 4, 2, 4) from S1, S2, and S3, respectively. bd, below detection limit.