Effects of tree species and topography on soil and microbial biomass stoichiometry in Funiu Mountain, China

Tian, Yaowu; Qiao, Dong; Xu, Shaojun; Wang, Ning

doi:10.1186/s12898-020-00332-4

BMC Ecology

Table 2 Stoichiometric characteristics of soil and microbial biomass

From: Effects of tree species and topography on soil and microbial biomass stoichiometry in Funiu Mountain, China

Tree species	Slope position	C:N		C:P		N:P		MBC:MBN		MBC:MBP		MBN:MBP
Tree species	Slope position	0–10 cm	10–20 cm	0–10 cm	10–20 cm	0–10 cm	10–20 cm	0–10 cm	10–20 cm	0–10 cm	10–20 cm	0–10 cm	10–20 cm
Q. variabilis	Sunny bottom slope (VS1)	16.3 ± 1.6a	13.2 ± 0.9a	34.5 ± 3.32a	30.2 ± 4.5a	3.3 ± 0.6a	3.1 ± 0.8a	3.9 ± 0.5a	4.5 ± 0.6a	34.6 ± 11.6a	31.6 ± 3.6a	10.2 ± 1.1a	9.7 ± 2.45a
	Sunny middle slope (MS1)	13.4 ± 1.4b	11.4 ± 1.23a	33.1 ± 8.5a	26.3 ± 2.56a	2.8 ± 0.2a	2.3 ± 0.7b	3.7 ± 0.3a	3.5 ± 0.1b	31.9 ± 3.7a	22.6 ± 3.3b	9.1 ± 0.71a	7.6 ± 1.2b
	Sunny top slope (RS1)	10.3 ± 1.4c	9.5 ± 0.4b	26.7 ± 11.6b	22.9 ± 11.2b	2.2 ± 1.1b	2.1 ± 1.1b	3.5 ± 0.7ab	3.8 ± 0.1c	26.7 ± 6.19b	21.7 ± 6.7b	7.7 ± 1.4b	7.4 ± 2.6b
	Shady bottom slope (VS1)	12.8 ± 1.1b	12.4 ± 1.4a	33.8 ± 8.9a	26.1 ± 9.0a	2.7 ± 1.8a	2.5 ± 0.6b	3.5 ± 0.6ab	4.2 ± 0.6a	31.2 ± 8.8a	28.5 ± 7.4a	8.7 ± 1.5ab	7.5 ± 3.4b
	Shady middle slope (MS2)	11.5 ± 1.6bc	11.8 ± 2.2ab	30.6 ± 11.1a	23.1 ± 1.5b	2.5 ± 1.3ab	1.8 ± 0.3bc	3.3 ± 0.5ab	3.6 ± 0.2b	30.5 ± 6.8a	25.5 ± 6.1b	8.2 ± 1.7b	5.8 ± 2.5c
	Shady top slope (RS2)	11.4 ± 1.5bc	9.7 ± 1.3b	24.67 ± 10.9b	22.6 ± 7.6b	1.9 ± 0.9b	1.4 ± 0.6c	3.1 ± 1.4b	3.5 ± 0.4b	31.4 ± 5.7a	31.1 ± 11.6a	9.4 ± 0.6a	9.1 ± 1.7a
L. principis-ruprechtii	Sunny bottom slope (VS1)	8.9 ± 1.09b	9.21 ± 1.1a	9.6 ± 1.7a	9.4 ± 0.9a	1.07 ± 0.1b	1.1 ± 0.03a	4.1 ± 1.4a	6.5 ± 1.8a	56.1 ± 4.1a	63.9 ± 8.6a	11.3 ± 1.8a	11.5 ± 1.4a
	Sunny middle slope (MS1)	9.7 ± 0.7ab	9.5 ± 0.6a	9.8 ± 1.6a	9.9 ± 1.1a	1.3 ± 0.07a	0.8 ± 0.06b	3.9 ± 0.7b	4.6 ± 1.3c	51.2 ± 14.1b	65.5 ± 18.7a	9.5 ± 2.1b	9.8 ± 6.1ab
	Sunny top slope (RS1)	10.9 ± 0.8a	9.8 ± 0.3a	10.5 ± 1.3a	10.2 ± 1.2a	1.4 ± 0.15a	1.2 ± 0.1a	3.7 ± 0.8b	5.2 ± 1.6b	42.4 ± 17.5c	59.6 ± 11.3	8.3 ± 3.6b	8.8 ± 4.6b
	Shady bottom slope (VS2)	10 ± 0.8a	11.1 ± 1.8a	10.4 ± 1.7a	10.4 ± 1.6a	1.3 ± 0.12a	0.9 ± 0.07b	4.9 ± 1.2a	4.8 ± 1.5c	44.7 ± 13.4c	41.1 ± 11.9b	8.5 ± 4.1b	8.2 ± 6.3b
	Shady middle slope (MS2)	11.9 ± 1.1a	10.1 ± 0.6a	11.9 ± 2.35a	10.4 ± 1.2a	1.1 ± 0.3b	0.9 ± 0.3b	4.7 ± 1.4a	4.1 ± 1.7c	50.1 ± 9.1b	59.1 ± 13.3a	9.4 ± 2.6b	11.2 ± 4.2a
	Shady top slope (RS2)	11.8 ± 1.8a	11.4 ± 0.4a	11.8 ± 1.36a	10.7 ± 1.1a	1.27 ± 0.3a	1.2 ± 0.3a	3.8 ± 1.4b	4.5 ± 1.7c	60.8 ± 8.8a	68.8 ± 13.3a	13.3 ± 1.6a	10.2 ± 4.1a
C. coggygria Scop.	Sunny bottom slope (VS1)	12.8 ± 2.5a	12.6 ± 4.9a	11.3 ± 3.9a	9.5 ± 2.1a	0.8 ± 0.2a	0.6 ± 0.2a	2.6 ± 0.39b	2.1 ± 0.7c	34.1 ± 12.5a	32.2 ± 10.4a	14.4 ± 8.1a	12.1 ± 3.9a
	Sunny middle slope (MS1)	11.9 ± 2.6a	12.2 ± 3.6a	9.1 ± 3.2ab	8.2 ± 1.5b	0.7 ± 0.2a	0.6 ± 0.02a	2.8 ± 1.9b	2.8 ± 0.4b	23.7 ± 10.3b	22.1 ± 4c	8.9 ± 3.8c	8.6 ± 2.5b
	Sunny top slope (RS1)	11.9 ± 3.5a	12.1 ± 3.6a	7.5 ± 2.1b	6.9 ± 1.2c	0.8 ± 0.1a	0.6 ± 0.4a	2.5 ± 0.9b	2.5 ± 1.8b	18.2 ± 3.1c	17.2 ± 6.6c	6.4 ± 1.2d	7.9 ± 3.2bc
	Shady bottom slope (VS2)	12.2 ± 1.9a	12.8 ± 2.4a	10.4 ± 1.2a	10.2 ± 2.5a	0.8 ± 0.1a	0.7 ± 0.1a	3.6 ± 0.8a	3.5 ± 0.9a	20.2 ± 3.4c	18.2 ± 6.3c	8.6 ± 2.3c	7.9 ± 1.4bc
	Shady middle slope (MS2)	12.1 ± 1.3a	11.4 ± 4.9a	9.6 ± 0.5ab	8.9 ± 2.2b	0.7 ± 0.2a	0.6 ± 0.1a	3.5 ± 1.6a	2.8 ± 0.1b	28.2 ± 12.9b	25.5 ± 14.8b	13.4 ± 13.1a	8.6 ± 4.1b
	Shady top slope (RS2)	12.0 ± 1.3a	12.2 ± 4.4a	7.7 ± 0.5b	7.9 ± 1.7c	0.7 ± 0.7a	0.5 ± 0.1a	3.6 ± 1.6a	3.6 ± 0.8a	17.7 ± 17.4c	17.6 ± 14.1c	11.1 ± 3.9b	6.6 ± 1.1c

MBC: microbial biomass C; MBN: microbial biomass N; MBP: microbial biomass P
There were significant differences between different slope positions of the same tree species and are represented by different lowercase letters (p < 0.05)

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