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

Table 5

The correlation between heavy metals in sediment and sandworms.

	Location	S-As	M-As	S-Pb	M-Pb	S-Cd	M-Cd	S-Mn	M-Mn	S-Ni	M-Ni
Location	1
S-As	0.022	1
M-As	0.671	−0.039	1
S-Pb	0.691	−0.007	0.772	1
M-Pb	−0.134	−0.004	0.307	0.6	1
S-Cd	0.671	0.064	0.686	0.851	0.306	1
M-Cd	0.007	0.001	0.449	0.724	0.954	0.548	1
S-Mn	0.710	−0.005	0.742	0.993	0.58	0.843	0.704	1
M-Mn	0.584	−0.018	0.696	0.970	0.648	0.879	0.797	0.976	1
S-Ni	0.22	−0.031	0.527	0.850	0.916	0.635	0.969	0.843	0.898	1
M-Ni	0.359	0.13	0.612	0.564	0.293	0.567	0.389	0.465	0.445	0.385	1

Note.  = correlation is significant at the 0.05 level (2-tailed);  = correlation is significant at the 0.01 level (2-tailed); S = sediment; M = macrofauna/sandworm; As = arsenic; Pb = lead; Cd = cadmium; Mn = manganese; Ni = nickel.