Bacterial community structure associated with the rhizosphere soils and roots of Stellera chamaejasme L. along a Tibetan elevation gradient

Table 4 P value showing significance of the effects of plant growth elevations and habitats from Kruskal-Wallis one-way ANOVA on ranks (Tukey test) and Spearman rank order correlation for the rhizosphere and root-endophytic bacterial communities of S. chamaejasme

Samples^a	Pairwise comparison^b	Kruskal-Wallis one-way ANOVA on ranks		Tukey test		Spearman rank order correlation
Samples^a	Pairwise comparison^b	H	p	q	p	CC^c	p
Rs	JD vs. MZGK	0.453	0.501			0.219	0.095
	JD vs. YBJ	2.109	0.146			0.007	0.956
	JD vs. TGL	0.882	0.348			0.169	0.201
	JD vs. NMC	1.016	0.314			− 0.078	0.557
	MZGK vs. YBJ	0.502	0.479			0.131	0.320
	MZGK vs. TGL	0.007	0.931			0.279	0.032
	MZGK vs. NMC	0.155	0.694			0.239	0.068
	YBJ vs. TGL	0.175	0.675			− 0.096	0.469
	YBJ vs. NMC	0.323	0.570			0.150	0.256
	TGL vs. NMC	0.030	0.863			0.184	0.161
R	JD vs. MZGK	2.930	0.087			0.0768	0.659
	JD vs. YBJ	0.148	0.700			0.433	0.0096
	JD vs. TGL	0.961	0.327			0.323	0.058
	JD vs. NMC	3.629	0.057			0.317	0.063
	MZGK vs. YBJ	5.150	0.023	3.007	< 0.05	0.148	0.267
	MZGK vs. TGL	7.064	0.008	3.397	< 0.05	0.196	0.152
	MZGK vs. NMC	12.049	≤ 0.001	4.319	< 0.05	0.229	0.183
	YBJ vs. TGL	0.568	0.451			0.638	≤ 0.0001
	YBJ vs. NMC	3.131	0.077			0.349	0.0396
	TGL vs. NMC	0.671	0.413			0.344	0.0431
Rs vs. R	JD	6.007	0.014	2.807	< 0.05	0.0909	0.460
	MZGK	0.192	0.661			0.274	0.024
	YBJ	4.019	0.045	2.271	> 0.05	0.179	0.144
	TGL	6.473	0.011	2.641	> 0.05	0.127	0.379
	NMC	12.218	≤ 0.001	3.576	<0.05	0.0515	0.676

Twenty-five pairwise analyses were performed comprising each of the ten possible pairings of the five different elevations and both collected samples (rhizosphere soil and roots) at the same elevation. Values in italics indicate significant differences or significant correlations
^aRs, rhizosphere soil; R, root
^bJD, Jinda; MZGK, Mozhugongka; YBJ, Yangbajing; TGL, Tanggula; NMC, Namucuo
^cCC, correlation coefficient

ISSN: 1869-2044