Relationship between Potential Trace Elements Contamination in Sediment and Macrofauna in the Upper Gulf of Thailand

Table 4

The quantity of heavy metals in sandworms of the upper Gulf of Thailand.

	M-SH	M-CH	M-SP
As	0.00098 ± 0.00005^a	0.001 ± 0.00009^a	0.0167 ± 0.0128^b
Pb	0.0482 ± 0.0139^a	0.0023 ± 0.00029^b	0.0413 ± 0.0019^a
Cd	0.0803 ± 0.0007^a	0.0238 ± 0.0027^b	0.0808 ± 0.0067^a
Mn	14.64 ± 3.395^a	4.909 ± 0.4838^b	28.98 ± 0.4070^c
Ni	0.6716 ± 0.5940	0.1670 ± 0.0912	2.910 ± 4.730

Note. ^abc This mean difference is significant at the -value 0.05 level (LSD); M = macrofauna (sandworm); As = arsenic; Pb = lead; Cd = cadmium; Mn = manganese; Ni = nickle.