Convergence of soil microbial properties after plant colonization of an experimental plant diversity gradient

BMC Ecology

Table 2 GLM table of t- and P-values on the effects of plant diversity (PD: 1, 2, 4, 8, 16, and 60 plant species) and plant colonization (COL) on plant cover (2011), plant biomass (2014), soil basal respiration, soil microbial biomass and soil water content of 2011 and 2014

	Plant cover			Soil basal respiration			Soil microbial biomass			Soil water content
	df	t value	P value	df	t value	P value	df	t value	P value	df	t value	P value
2011
PD	1, 145.61	4.46	<0.001	1, 140.86	4.15	<0.001	1, 132	3.67	<0.001	1, 145.30	4.79	<0.001
COL	1, 77	9.42	<0.001	1, 74.25	2.06	0.043	1, 76.33	2.06	0.043	1, 75.18	0.37	0.714
PD × COL	1, 77	−3.84	<0.001	1, 74.69	−2.64	0.010	1, 76.42	−2.25	0.028	1, 75.29	−1.49	0.139

	Plant Biomass			Soil basal respiration			Soil microbial biomass			Soil water content
	df	t value	P value	df	t value	P value	df	t value	P value	df	t value	P value
2014
PD	1, 152.79	0.61	0.543	1, 147.77	1.90	0.060	1, 143.35	1.11	0.270	1, 137.59	5.85	<0.001
COL	1, 77.94	11.45	<0.001	1, 78.53	7.50	<0.001	1, 77.23	8.78	<0.001	1, 73.92	−6.37	<0.001
PD × COL	1, 77.45	0.67	0.505	1, 77.27	−1.12	0.268	1, 76.00	−0.72	0.474	1, 73.72	−3.79	<0.001

Significant results (P < 0.05) are highlighted in bold and marginally significant results (P < 0.10) are given in italics

ISSN: 1472-6785