Variations in the archaeal community and associated methanogenesis in peat profiles of three typical peatland types in China

Chen, Xuhui; Xue, Dan; Wang, Yue; Qiu, Qing; Wu, Lin; Wang, Meng; Liu, Jiawen; Chen, Huai

doi:10.1186/s40793-023-00503-y

Environmental Microbiome

Table 1 Peat physicochemical properties in different peat layers in the three peatlands

From: Variations in the archaeal community and associated methanogenesis in peat profiles of three typical peatland types in China

Location	Depth (cm)	WC (%)	TC (%)	TN (%)	TP (mg g⁻¹)	C/N	DOC (mg g⁻¹)	pH	TFe (mg Fe g⁻¹)
H	0–20	643.32 ± 12.87^ab	28.70 ± 0.77^c	1.67 ± 0.04^b	0.61 ± 0.07^a	17.18 ± 0.80^a	1.84 ± 0.32^a	5.71 ± 0.38^a	2.66 ± 0.74^a
H	20–40	539.65 ± 35.38^b	30.67 ± 0.1^bc	1.89 ± 0.10^ab	0.67 ± 0.06^a	16.33 ± 0.85^a	1.33 ± 0.27^a	4.97 ± 0.10^b	1.34*
H	40–60	644.64 ± 35.38^ab	34.00 ± 0.93^ab	2.10 ± 0.08^a	0.60 ± 0.07^a	16.20 ± 0.26^a	1.69 ± 0.15^a	5.12 ± 0.06^b	1.32 ± 0.13^b
H	60–80	631.58 ± 58.60^ab	34.22 ± 1.60^ab	2.00 ± 0.12^ab	0.56 ± 0.03^a	17.17 ± 0.54^a	1.59 ± 0.07^a	5.10 ± 0.08^b	1.35 ± 0.18^b
H	80–100	705.02 ± 41.32^a	36.54 ± 0.59^a	2.08 ± 0.09^a	0.55 ± 0.08^a	17.59 ± 0.80^a	1.88 ± 0.42^a	4.91 ± 0.09^b	1.50 ± 0.15^b
H	Mean	632.87 ± 66.30^A	32.83 ± 3.19^A	1.95 ± 0.21^A	0.60 ± 0.07^B	16.89 ± 1.15^A	1.67 ± 0.31^A	5.16 ± 0.33^B	1.60 ± 0.56^B
T	0–20	937.34 ± 191.97^a	30.90 ± 4.21^a	1.65 ± 0.20^a	0.91 ± 0.05^a	18.69 ± 0.26^a	3.04 ± 0.49^a	5.09 ± 0.23^a	2.10 ± 0.75^a
T	20–40	713.11 ± 361.53^ab	29.35 ± 6.23^a	1.64 ± 0.29^a	1.00 ± 0.05^a	17.69 ± 0.87^a	2.34 ± 1.18^ab	4.77 ± 0.31^a	0.73 ± 0.02^ab
T	40–60	345.84 ± 168.14^bc	22.50 ± 4.02^a	1.34 ± 0.28^a	0.96 ± 0.04^a	16.96 ± 0.55^a	1.25 ± 0.47^b	5.01 ± 0.14^a	0.57 ± 0.13^b
T	60–80	205.78 ± 102.93^bc	17.28 ± 6.63^a	0.96 ± 0.33^a	0.61 ± 0.14^ab	17.31 ± 0.99^a	1.13 ± 0.31^b	5.04 ± 0.22^a	0.39 ± 0.21^b
T	80–100	121.76 ± 124.82^c	9.66 ± 6.50^a	0.61 ± 0.33^a	0.40 ± 0.10^b	13.61 ± 2.36^a	1.28 ± 0.12^b	5.09 ± 0.34^a	0.52 ± 0.17^b
T	Mean	464.80 ± 368.10^B	21.94 ± 11.58^B	1.24 ± 0.60^B	0.78 ± 0.27^A	16.85 ± 2.54^A	1.81 ± 0.94^A	5.00 ± 0.25^B	0.87 ± 0.74^C
R	0–20	337.12 ± 16.05^a	28.33 ± 2.37^b	1.88 ± 0.11^ab	1.26 ± 0.05^a	14.99 ± 0.40^b	0.89 ± 0.07^a	5.83 ± 0.35^ab	3.14 ± 0.91^ab
R	20–40	341.34 ± 129.62^a	21.13 ± 2.20^b	1.42 ± 0.10^c	0.94 ± 0.19^b	14.80 ± 0.52^b	0.96 ± 0.27^a	5.57 ± 0.13^b	3.31 ± 0.96^a
R	40–60	304.94 ± 88.69^a	27.65 ± 0.63^b	1.64 ± 0.04^bc	0.71 ± 0.03^bc	16.93 ± 0.74^ab	1.01 ± 0.30^a	6.04 ± 0.05^ab	1.84 ± 0.06^b
R	60–80	379.24 ± 37.52^a	36.19 ± 0.94^a	1.96 ± 0.07^ab	0.60 ± 0.05^c	18.50 ± 0.64^a	1.27 ± 0.04^a	6.09 ± 0.17^a	2.29 ± 0.21^ab
R	80–100	467.17 ± 33.50^a	40.91 ± 0.83^a	2.20 ± 0.03^a	0.62 ± 0.04^c	18.61 ± 0.16^a	1.23 ± 0.04^a	6.06 ± 0.11^ab	2.52 ± 0.30^ab
R	Mean	366.00 ± 85.11^B	30.84 ± 7.55^A	1.82 ± 0.30^A	0.82 ± 0.27^A	16.76 ± 1.87^A	1.07 ± 0.22^B	5.92 ± 0.26^A	2.62 ± 0.76^A

Data were presented as mean ± 1 SD (n = 3). Different lowercase letters indicate significant differences in each parameter between peat layers in each peatland at the p < 0.05 level, while the uppercase letters indicate significant differences in the average value of each parameter between the three peatlands at the p < 0.05 level, regardless of depth, determined using the Tukey’s HSD test, with p < 0.05. WC, TC, TN, TP, DOC, and TFe denote peat water content, total carbon content, total nitrogen content, total phosphorus content, dissolved organic carbon, and total Fe content, respectively. The C/N values were calculated using the mass ratio (TC/TN). H, T, and R denote Hani, Taishanmiao, and Ruokeba peatlands, respectively
*This value was not considered in the ANOVA test due to sample replicate loss. Only a single value is presented

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ISSN: 2524-6372

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