Table 2.

Correlations between microbial processes and abundances of selected marker PLFAs.

PLFA-Markers		N-Mineral.	Nitrific.	Phosph.	Peptidase	Phenox.	Perox.
Gram + bacteria	a15:0	0.05	0	−0.11	0.09	0.26	−0.14
	i16:0	0.47∗	0.1	−0.02	0.08	0.27	0
	i17:0	0.32	0.24	0.27	0.31	0.11	0.16
	a17:0	0.11	−0.46+	0.38+	0.43∗	−0.57∗∗	−0.5∗
Gram − bacteria	cy17:0	0.25	−0.24	0.33	0.32	−0.33	−0.28
	cy18:0	−0.19	0.31	0.34	0.58∗∗	−0.34	−0.2
	18:1ω7	0.17	−0.5+	0.33	0.3	−0.44∗	−0.39+
	18:1ω5	0.39+	−0.75∗∗∗	0.26	0.23	−0.68∗∗∗	−0.7∗∗∗
General bacteria	15:0	0.38+	−0.08	−0.19	0.07	0.34	−0.11
	17:0	0.39+	−0.26	0.37+	0.41+	−0.45∗	−0.35
Not specified	16:1ω6	0.15	−0.26	0.47∗	0.43∗	−0.32	−0.31
	i17:1ω8	0.2	0.14	0.67∗∗∗	0.26	0.12	0.24
Fungi	18:2ω6,9	0.58∗∗	−0.58∗	0.17	0.09	−0.5∗	−0.54∗∗
	18:1ω9c	0.41+	−0.6∗	0.35	0.31	−0.48∗	−0.46∗
Ubiquitous	16:0	0.52∗	−0.29	0.34	0.41+	−0.28	−0.27
	18:0	0.47∗	−0.3	0.3	0.42+	−0.22	−0.3

Presented are correlation coefficients. Significance levels are indicated by ∗∗∗ (p < 0.001), ∗∗ (p < 0.01), ∗ (p < 0.05), +(p < 0.1); n = 6.