Table 2.

Soil properties of slopes at different stages of vegetation succession.

Indicator	NS	GS	SS	AS
pH	7.34 ± 0.20c	8.49 ± 0.28a	8.76 ± 0.40ab	7.80 ± 0.19bc
Litter fall/g·m–2	10.17 ± 1.37b	16.19 ± 1.72a	8.32 ± 0.81c	3.90 ± 0.43d
SOC/g·kg–1	9.19 ± 0.43c	12.68 ± 0.86a	9.92 ± 0.84b	9.13 ± 0.55c
DOC/mg·kg–1	752.81 ± 49.93b	565.58 ± 31.91c	495.33 ± 32.88d	807.51 ± 23.64a
TC/g·kg–1	9.55 ± 0.45d	67.23 ± 5.23b	43.44 ± 3.10c	123.56 ± 6.56a
TN/g·kg–1	1.62 ± 0.11a	0.66 ± 0.08b	0.74 ± 0.07b	0.52 ± 0.05c
TP/g·kg–1	0.60 ± 0.04b	2.17 ± 0.09a	1.98 ± 0.09a	1.72 ± 0.07a
NH4+-N/mg·kg–1	5.66 ± 0.74c	9.97 ± 2.08a	9.47 ± 1.58a	7.21 ± 1.19b
NO3–-N/mg·kg–1	17.15 ± 4.5b	19.65 ± 3.95a	21.91 ± 4.72a	10.27 ± 2.18c
MBC/g·kg–1	1.23 ± 0.09a	0.86 ± 0.06bc	0.78 ± 0.06b	0.48 ± 0.05c
MBN/mg·kg–1	8.69 ± 0.75b	11.74 ± 1.53a	7.87 ± 1.57b	5.03 ± 0.63c

Lowercase letters indicate significant differences at the P < 0.05 level.