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

BMC Ecology

Table 1 LM table of t- and P-values on the effects of plant diversity (PD: 1, 2, 4, 8, 16, and 60 plant species) in weeded or non-weeded plots on number of colonizing plant species, plant cover (2011), plant biomass (2014), soil basal respiration, soil microbial biomass and soil water content of 2011 and 2014

	Number of colonizing plant species			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	df	t value	P value
2011
Weeded				1, 77.01	4.13	<0.001	1, 72.18	4.29	<0.001	1, 74.35	3.57	<0.001	1, 74.08	4.58	<0.001
Non-weeded	1, 77.00	−1.93	0.057	1, 76.99	−0.30	0.767	1, 71.18	0.80	0.428	1, 72.33	1.14	0.256	1, 73.10	3.07	0.003

	Number of colonizing plant species			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	df	t value	P value
2014
Weeded				1, 74.34	5.57	<0.001	1, 74.09	4.26	<0.001	1, 74.01	2.74	0.008	1, 74.10	5.30	<0.001
Non-weeded	1, 74.05	−2.14	0.036	1, 76.04	1.09	0.281	1, 71	0.23	0.815	1, 68.48	0.08	0.938	1, 70.09	1.29	0.202

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

ISSN: 1472-6785