Characteristics of soil organic carbon fractions in four vegetation communities of an inland salt marsh

Table 2 Soil physical and chemical properties of the four vegetation communities in salt marsh wetland

Plant community	Soil layer	SWC%	SBD (g/m²)	EC%	ph	TN%	TP%
SC	0–10 cm	20.97 ± 0.96	1.54 ± 0.02	23.13 ± 0.72	7.73 ± 0.07	0.37 ± 0.01	0.58 ± 0.01
	10–30 cm	23.57 ± 1.02	1.51 ± 0.02	13.43 ± 0.67	7.69 ± 0.08	0.49 ± 0.01	0.53 ± 0.01
	30–50 cm	25.24 ± 1.16	1.49 ± 0.02	10.10 ± 0.56	7.60 ± 0.07	0.49 ± 0.01	0.53 ± 0.01
	0–50 cm	23.26 ± 1.04	1.51 ± 0.02	15.55 ± 0.48	7.67 ± 0.07	0.37 ± 0.01	0.55 ± 0.01
SE	0–10 cm	31.71 ± 1.94	1.43 ± 0.03	31.22 ± 0.66	6.77 ± 0.09	0.38 ± 0.01	0.58 ± 0.01
	10–30 cm	33.30 ± 2.13	1.36 ± 0.03	21.99 ± 0.33	6.64 ± 0.07	0.50 ± 0.01	0.53 ± 0.01
	30–50 cm	36.10 ± 1.89	1.36 ± 0.03	11.07 ± 0.35	6.53 ± 0.06	0.25 ± 0.01	0.55 ± 0.01
	0–50 cm	33.71 ± 1.95	1.38 ± 0.03	21.43 ± 0.31	6.64 ± 0.07	0.38 ± 0.01	0.56 ± 0.01
TR	0–10 cm	19.35 ± 1.52	2.15 ± 0.06	8.15 ± 0.42	7.81 ± 0.06	0.45 ± 0.01	0.56 ± 0.01
	10–30 cm	21.79 ± 1.59	2.08 ± 0.05	6.62 ± 0.29	7.72 ± 0.07	0.31 ± 0.01	0.53 ± 0.01
	30–50 cm	23.84 ± 1.61	1.87 ± 0.06	5.38 ± 0.34	7.64 ± 0.06	0.11 ± 0.01	0.52 ± 0.01
	0–50 cm	21.66 ± 1.56	2.03 ± 0.05	6.72 ± 0.31	7.73 ± 0.06	0.29 ± 0.01	0.53 ± 0.01
PA	0–10 cm	37.61 ± 1.43	1.61 ± 0.02	15.09 ± 1.00	7.65 ± 0.08	0.57 ± 0.01	0.57 ± 0.01
	10–30 cm	39.42 ± 1.31	1.57 ± 0.02	7.94 ± 0.24	7.63 ± 0.07	0.37 ± 0.01	0.53 ± 0.01
	30–50 cm	41.58 ± 1.24	1.53 ± 0.02	3.51 ± 0.12	7.57 ± 0.07	0.11 ± 0.01	0.50 ± 0.01
	0–50 cm	39.54 ± 1.32	1.57 ± 0.02	8.84 ± 0.42	7.62 ± 0.07	0.35 ± 0.01	0.54 ± 0.01

(mean ± SE). Different lowercase letters in the same column indicate significant differences among plots (p < 0.05). The full definitions of SC, SE, SWC and other parameter abbreviations are shown in Table 1

ISSN: 1750-0680