Spatial Variations and Potential Risks of Heavy Metals in Seawater, Sediments, and Living Organisms in Jiuzhen Bay, China

Table 5

Matrix chart of correlation coefficients among the heavy metals in the seawater.

	As	Hg	Cu	Pb	Cd	Zn	PO4	DSi	DIN
As	1
Hg	0.364	1
Cu	0.812^a	0.464	1
Pb	−0.176	−0.040	−0.080	1
Cd	−0.045	0.218	0.059	0.324	1
Zn	−0.153	0.315	0.076	0.485	0.033	1
PO4	−0.755^a	−0.734^a	−0.605^b	0.078	−0.129	−0.108	1
Si	−0.834^a	−0.634^b	−0.689^a	0.024	0.080	−0.187	0.918^a	1
DIN	−0.813^a	−0.667^a	−0.665^a	−0.004	0.016	−0.194	0.943^a	0.985^a	1

^aCorrelation is significant at the 0.01 level. ^bCorrelation is significant at the 0.05 level.