Table 2. Soil C and N content, Soil BD under different forest types.

	Soil depth (cm)	QY		HT		JF		DH
		NF	PF	NF	PF	NF	PF	NF	PF
C content (g kg−1)	0–10	48.95	41.06	17.09	15.15	25.38	19.39	25.77	14.67
	10–20	26.67	23.41	10.03	12.87	15.83	12.48	12.53	5.05
	20–40	12.84	12.99	8.54	9.43	11	6.93	6.97	3.93
	40–60	6.97	5.82	5.47	6.02	6.58	6.21	5.14	3.03
	60–80	4.38	3.86	4.54	5.07	4.61	8.52	4.7	6.21
	80–100	2.76	3.07	4.06	4.31	3.34	3.28	3.57	3.41
N content (g kg−1)	0–10	4.23	3.23	1.99	1.66	1.98	1.51	2.13	1.24
	10–20	2.6	2.42	1.3	1.48	1.32	1.13	1.13	0.6
	20–40	1.33	1.49	1.18	1.17	0.97	0.64	0.75	0.49
	40–60	0.79	0.69	1	0.97	0.66	0.64	0.67	0.45
	60–80	0.51	0.49	0.94	0.91	0.5	1.17	0.63	1.39
	80–100	0.34	0.36	0.92	0.9	0.36	0.35	0.57	0.56
BD (g cm−3)	0–10	0.80	0.95	1.10	1.26	0.98	1.08	0.98	1.54
	10–20	1.03	1.09	1.12	1.21	1.14	1.31	1.30	1.66
	20–40	1.27	1.26	1.13	1.28	1.24	1.48	1.41	1.69
	40–60	1.27	1.32	1.16	1.26	1.34	1.41	1.39	1.51
	60–80	1.28	0.92	1.18	1.37	1.54	1.36	1.52	1.48
	80–100	1.20	0.76	1.25	1.33	1.43	1.41	1.46	1.55

Notes:

Data are means of three plots.

NF, Natural forest; PF, Plantation forest; QY, Qingyuan; HT, Huitong; DH, Dinghushan; JF, Jianfengling; BD, Bulk density.