Table 1.

Model results of negative-binomial generalized linear models (absolute abundances; above) and general linear models (proportional abundances; below) modelling the abundances of root-feeding, bacterivorous, fungivorous and predatory-omnivorous nematodes

		Species (Sp)		Origin (O)		Soil (S)		Sp*O		Sp*S		O*S		Sp*O*S
		Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p
Abs. abundance	Root feeders	0.00	0.96	0.05	0.82	4.91	< 0.05	1.97	0.16	5.58	< 0.05	0.34	0.56	5.86	< 0.05
	Fungivores	3.28	0.07	0.28	0.60	15.73	< 0.001	1.36	0.24	5.32	< 0.05	2.19	0.14	5.06	< 0.05
	Bacterivores	8.43	< 0.01	0.66	0.42	1.78	0.18	2.38	0.12	3.19	0.07	1.30	0.25	0.04	0.84
	Predators/Omnivores	0.71	0.40	0.34	0.56	39.38	< 0.001	2.47	0.12	0.41	0.52	0.16	0.69	1.42	0.23

		F	p	F	p	F	p	F	p	F	p	F	p	F	p
Prop. abundance	Root feeders	9.18	< 0.01	0.07	0.79	7.70	< 0.01	0.00	0.96	0.86	0.36	0.64	0.43	2.41	0.12
	Fungivores	0.73	0.39	0.47	0.49	10.87	< 0.01	3.26	0.07	0.06	0.81	1.63	0.20	2.64	0.11
	Bacterivores	8.04	< 0.01	0.09	0.76	22.44	< 0.001	2.36	0.13	0.43	0.51	2.14	0.15	5.59	< 0.05
	Predators/Omnivores	0.47	0.50	0.27	0.60	24.68	< 0.001	7.81	< 0.01	1.65	0.20	0.42	0.52	2.73	0.10

Included factors are plant species (Sp), plant origin (O), and soil (S), and all possible interactions. F values (general linear models) or explained deviance (Dev.; negative binomial models) and p values are shown. Significant results (p < 0.05) are marked in bold