. 2014 May 8;20(8):2644–2662. doi: 10.1111/gcb.12558

Table 3.

Depth distribution of C/N ratios and C concentrations (C conc. in g kg⁻¹) for the first/second (I/II) National Forest Soil Inventory (NFSI) under different newly assigned soil groups (NSG)

NSG	Depth [cm]	NFSI I			NFSI II
NSG	Depth [cm]	n	C/N ratio	C conc.	n	C/N ratio	C conc.
1	0–5	213	23.5 ± 0.4^a	26.5 ± 1.0^a	205	25.2 ± 0.4^b	33.0 ± 1.3^b
	5–10	210	21.2 ± 0.4^a	13.8 ± 0.7^a	208	26.5 ± 0.4^b	17.6 ± 0.8^b
	10–30	210	20.1 ± 0.5^a	8.5 ± 0.6^a	209	26.9 ± 0.4^b	7.0 ± 0.4^b
2	0–5	71	16.7 ± 0.6^a	39.2 ± 2.6^a	82	19.1 ± 0.5^b	41.8 ± 2.7^a
	5–10	70	15.5 ± 0.6^a	21.5 ± 1.7^a	80	19.0 ± 0.7^b	24.0 ± 1.7^a
	10–30	69	13.6 ± 0.6^a	9.6 ± 0.9^a	82	18.9 ± 0.8^b	10.0 ± 1.0^a
3	0–5	23	15.1 ± 0.8^a	41.4 ± 2.7^a	32	16.4 ± 0.5^a	59.3 ± 4.9^b
	5–10	24	15.0 ± 0.9^a	35.6 ± 3.0^a	33	15.8 ± 0.6^a	30.6 ± 2.5^a
	10–30	24	12.7 ± 0.6^a	13.6 ± 1.6^a	32	14.2 ± 0.5^a	10.8 ± 1.1^a
4	0–5	114	14.9 ± 0.3^a	43.2 ± 1.4^a	93	17.4 ± 0.3^b	44.3 ± 2.0^a
	5–10	116	14.5 ± 0.4^a	33.1 ± 1.3^a	93	16.6 ± 0.3^b	25.0 ± 1.2^b
	10–30	117	12.7 ± 0.4^a	11.6 ± 0.5^a	94	14.7 ± 0.4^b	7.5 ± 0.4^b
5	0–5	96	19.5 ± 0.6^a	24.7 ± 1.5^a	91	22.0 ± 0.5^b	38.5 ± 2.2^b
	5–10	93	17.9 ± 0.6^a	11.6 ± 0.9^a	91	23.6 ± 0.6^b	15.7 ± 0.9^b
	10–30	94	15.5 ± 0.6^a	5.8 ± 0.5^a	92	23.3 ± 0.7^b	5.6 ± 0.4^a
6	0–5	42	21.8 ± 0.8^a	15.3 ± 1.1^a	48	22.9 ± 0.7^a	25.2 ± 2.5^b
	5–10	41	19.6 ± 0.7^a	6.0 ± 0.5^a	47	23.5 ± 0.7^b	13.0 ± 0.8^b
	10–30	41	16.4 ± 0.6^a	2.8 ± 0.3^a	47	26.0 ± 1.2^b	3.9 ± 0.3^b
7	0–5	123	18.1 ± 0.5^a	35.7 ± 1.3^a	119	18.8 ± 0.4^a	41.6 ± 2.0^b
	5–10	124	17.4 ± 0.5^a	21.5 ± 0.8^a	116	18.4 ± 0.4^a	20.8 ± 1.0^a
	10–30	122	14.6 ± 0.6^a	8.9 ± 0.4^a	118	15.8 ± 0.5^a	7.4 ± 0.4^b
8	0–5	109	14.4 ± 0.3^a	58.4 ± 2.7^a	108	15.1 ± 0.2^a	62.6 ± 2.6^a
	5–10	108	13.5 ± 0.3^a	42.0 ± 2.1^a	110	13.9 ± 0.2^a	39.1 ± 2.0^a
	10–30	108	12.4 ± 0.4^a	20.3 ± 1.3^a	112	12.5 ± 0.2^a	14.5 ± 0.9^b
9	0–5	35	15.1 ± 0.5^a	55.9 ± 3.4^a	41	16.0 ± 0.4^a	52.5 ± 3.4^a
	5–10	36	13.8 ± 0.5^a	42.7 ± 2.8^a	42	14.8 ± 0.3^a	34.7 ± 2.5^b
	10–30	36	12.5 ± 0.6^a	20.2 ± 1.9^a	42	12.5 ± 0.3^a	11.3 ± 1.0^b
10	0–5	65	16.2 ± 0.5^a	34.4 ± 1.6^a	76	16.7 ± 0.3^a	40.3 ± 2.2^b
	5–10	67	15.4 ± 0.6^a	23.9 ± 1.0^a	78	15.6 ± 0.4^a	22.3 ± 1.2^a
	10–30	64	12.1 ± 0.5^a	9.3 ± 0.5^a	77	13.3 ± 0.3^b	7.8 ± 0.4^b
11	0–5	51	14.7 ± 0.6^a	43.1 ± 2.8^a	50	16.0 ± 0.4^a	48.4 ± 3.7^a
	5–10	52	14.2 ± 0.6^a	27.8 ± 2.2^a	52	15.7 ± 0.4^b	32.1 ± 2.4^a
	10–30	51	11.7 ± 0.5^a	12.0 ± 1.2^a	52	12.7 ± 0.3^a	12.7 ± 1.1^a
12	0–5	185	18.5 ± 0.4^a	50.3 ± 1.6^a	168	19.7 ± 0.3^b	57.8 ± 2.0^b
	5–10	187	17.7 ± 0.4^a	37.8 ± 1.4^a	171	19.3 ± 0.3^b	33.9 ± 1.2^b
	10–30	185	17.0 ± 0.5^a	19.0 ± 0.9^a	169	17.8 ± 0.3^a	15.3 ± 0.7^b
13	0–5	202	17.1 ± 0.3^a	54.5 ± 1.5^a	252	19.2 ± 0.2^b	58.2 ± 1.5^a
	5–10	203	14.9 ± 0.3^a	31.5 ± 0.9^a	256	18.1 ± 0.3^b	32.0 ± 0.9^a
	10–30	206	12.7 ± 0.3^a	15.3 ± 0.5^a	257	15.4 ± 0.3^b	15.0 ± 0.5^a
14	0–5	248	20.8 ± 0.4^a	36.4 ± 1.0^a	259	21.5 ± 0.3^a	36.4 ± 1.2^a
	5–10	253	19.8 ± 0.4^a	21.2 ± 0.7^a	264	21.4 ± 0.3^b	18.6 ± 0.5^b
	10–30	243	16.5 ± 0.5^a	9.6 ± 0.3^a	263	18.5 ± 0.4^b	8.3 ± 0.3^a
15	0–5	36	16.9 ± 0.7^a	41.7 ± 2.5^a	37	18.7 ± 0.7^a	39.9 ± 4.0^a
	5–10	35	15.4 ± 0.8^a	23.5 ± 1.6^a	38	18.4 ± 0.8^b	23.1 ± 1.9^a
	10–30	36	13.7 ± 1.0^a	12.0 ± 1.4^a	38	17.1 ± 0.9^b	9.4 ± 1.0^a
16	0–5	30	18.4 ± 0.6^a	98.7 ± 6.5^a	18	17.8 ± 0.3^a	108.6 ± 10.2^a
	5–10	30	18.4 ± 0.6^a	98.7 ± 6.5^a	22	16.1 ± 0.3^b	87.2 ± 8.0^a
	10–30	29	16.3 ± 1.0^a	45.8 ± 4.6^a	21	15.0 ± 0.3^a	34.1 ± 3.4^a

n, number of observations.

± indicating variation by standard errors.

Different letters indicate a 0.05 significance level, tested by Tukey's HSD test.