. 2018 Nov 20;9:2711. doi: 10.3389/fmicb.2018.02711

Table 2.

The most influential factors affecting bacterial and fungal OTU community composition as determined by partial distance-based redundancy analysis (db-RDA).

	Bacteria						Fungi
	Total		BS		RS		Total		BS		RS
	F	p	F	p	F	p	F	p	F	p	F	p
DW leaves
DW shoot							1.58	^∗
DW root
RDMC	1.73	^∗	1.73	^∗			1.95	^∗∗			2.13	^∗∗
Rvol	1.65	^∗
C root							1.68	^∗
N root	1.78	^∗	1.73	^∗			1.57	^∗	1.43	^∗
P root
Mg root	1.66	^∗
Ca root							1.46	^∗
K root							1.84	^∗∗	1.38	^∗
LUI	4.91	^∗∗∗	2.82	^∗∗	3.22	^∗∗∗	4.12	^∗∗∗	2.20	^∗∗∗	2.41	^∗∗∗
Soil pH	11.90	^∗∗∗	6.81	^∗∗∗	6.80	^∗∗∗	5.38	^∗∗∗	2.80	^∗∗∗	3.40	^∗∗∗
Soil C/N ratio	8.57	^∗∗∗	5.20	^∗∗∗	5.46	^∗∗∗	7.08	^∗∗∗	4.03	^∗∗∗	3.95	^∗∗∗
PAP	4.44	^∗∗∗	2.45	^∗∗	3.15	^∗∗∗	3.13	^∗∗∗	1.94	^∗∗∗	1.68	^∗
TP	4.91	^∗∗∗	3.56	^∗∗	3.28	^∗∗∗	4.72	^∗∗∗	2.29	^∗∗∗	2.66	^∗∗∗
Plant productivity	5.74	^∗∗∗	3.61	^∗∗∗	2.63	^∗∗∗	3.97	^∗∗∗	2.76	^∗∗∗	2.38	^∗∗
NP richness	3.65	^∗∗∗	2.32	^∗∗	1.79	^∗	2.37	^∗∗∗	1.62	^∗∗
NP cover	2.85	^∗∗∗	1.91	^∗	2.33	^∗∗	1.86	^∗∗

Blank fields show removed factors by model selection using ordistep function in R; DW leaf/shoot/root, dry weight leaf/shoot/root; RDMC, root dry matter content; Rvol, root volume; C root, root carbon content; N root, root nitrogen content; P root, root phosphorus content; Mg root, root magnesium content; Ca root, root calcium content; K root, root potassium content; LUI, land-use intensity index; Soil C/N ratio, soil carbon to nitrogen ratio; PAP, plant available phosphorus; TP, soil total phosphorus; Plant productivity, plant biomass per experimental plot; NP richness/cover, richness/cover of the neighboring plants; ^∗p < 0.05, ^∗∗p < 0.01, ^∗∗∗p < 0.001.