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Table 8 Correlation coefficients between investigated soil properties (n = 12)

From: Mutual relations between PAHs derived from atmospheric deposition, enzymatic activity, and humic substances in soils of differently urbanized areas

	N_t	C:N	C_HS	C_HA	C_FA	DhA	PhacA	PhalA	PA	UA	Σ14PAHs
C_org	0.96	0.93	0.59	0.69	0.73	0.82	0.88	0.92	0.78	n.s.	n.s.
N_t		0.99	0.78	0.86	0.86	0.89	0.94	0.98	0.83	0.67	n.s.
C:N			0.82	0.91	0.88	0.88	0.93	0.98	0.81	0.74	n.s.
C_HS				0.97	0.97	0.89	0.87	0.86	0.83	0.92	− 0.58
C_HA					0.95	0.87	0.87	0.91	0.79	0.94	n.s
C_FA						0.97	0.95	0.93	0.93	0.82	− 0.59
DhA							0.99	0.95	0.99	0.67	− 0.64
PhacA								0.98	0.97	0.66	− 0.58
PhalA									0.90	0.72	n.s.
PA										0.57	− 0.73
UA											n.s.

ns not significant at p > 0.05

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