Table 5.

Pearson correlation coefficients between metals in different species.

	Fe	Mn	Zn	Ni	Cu	Pb	Cd	Cr
Fe	1	0.023	0.034	0.051	0.141	0.039	0.316	0.164
Mn		1	0.795∗∗	0.568∗∗	0	−0.100	0.013	0.309
Zn			1	0.622∗∗	0.239	−0.150	0.218	0.447∗
Ni				1	0.091	−0.004	0.211	0.349
Cu					1	−0.211	0.934∗∗	0.133
Pb						1	−0.188	0.006
Cd							1	0.148
Cr								1

^∗ p < 0.05; ^∗∗p < 0.01.