Micromorphological and Chemical Approaches to Understand Changes in Ecological Functions of Metal-Impacted Soils under Various Land Uses

Table 4

Correlation coefficient matrix among soil properties and metals in soil solid phases.

		pH	EC	CaCO3	OC	CEC	Clay	Silt	Sand
Fe	MgCl extractable	−0.09	0.61	−0.08	−0.54	−0.42	−0.48	0.69	0.07
	NaOAc extractable	0.00	0.21	−0.18	−0.49	−0.61	−0.43	−0.13	0.52
	Oxidizable	−0.07	0.39	−0.69	−0.33	0.15	−0.85	0.33	0.67
	Reducible/residual	0.29	0.03	−0.88	0.03	0.58	−0.58	−0.03	0.61
Mn	MgCl extractable	−0.20	0.49	−0.82	0.05	0.45	−0.89	0.19	0.80
	NaOAc extractable	−0.41	−0.47	−0.28	0.76	0.39	−0.16	−0.33	0.36
	Oxidizable	0.78	−0.15	−0.64	−0.48	0.53	−0.35	0.38	0.13
	Reducible/residual	0.04	0.07	−0.58	0.37	0.52	−0.31	−0.17	0.42
Zn	MgCl extractable	−0.25	0.54	−0.33	−0.23	0.05	−0.63	0.52	0.33
	NaOAc extractable	−0.11	−0.11	−0.20	0.10	0.04	−0.33	0.34	0.13
	Oxidizable	−0.01	−0.02	−0.28	−0.11	−0.03	−0.44	0.49	0.14
	Reducible/residual	0	0.66	0.08	−0.25	−0.24	−0.06	0.29	−0.12
Cu	MgCl extractable	−0.59	−0.14	−0.29	0.79	0.16	−0.16	−0.62	0.54
	NaOAc extractable	−0.64	0.39	−0.36	0.33	−0.10	−0.59	−0.24	0.75
	Oxidizable	−0.06	−0.08	−0.73	0.40	0.55	−0.52	−0.37	0.76
	Reducible/residual	0.05	−0.18	−0.53	0.11	0.15	−0.33	−0.63	0.72
Pb	MgCl extractable	—	—	—	—	—	—	—	—
	NaOAc extractable	−0.51	−0.10	−0.27	0.65	0.11	−0.19	−0.77	0.67
	Oxidizable	−0.05	−0.68	0.03	0.78	0.42	0.42	−0.68	−0.01
	Reducible/residual	−0.45	−0.28	0.29	0.59	−0.30	0.32	−0.75	0.14