Table 3.

Per species results of negative-binomial generalized linear models modelling the absolute abundances of four root-feeding nematode groups: endoparasites, semi-endoparasites, ectoparasites and root-hair feeders (see “Methods” Section)

		Origin-model						Population-model
		Origin (O)		Soil (S)	O*S			Population (P)		Soil (S)		P*S
		Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p
C. jacea	Endoparasites	11.19	< 0.001	31.54	< 0.001	0.64	0.42	40.90	< 0.001	36.25	< 0.001	4.70	0.45
	Semi-endoparasites	7.94	< 0.01	51.88	< 0.001	0.26	0.61	13.36	< 0.05	66.67	< 0.001	6.74	0.24
	Ectoparasites	0.22	0.64	0.72	0.40	1.00	0.32	17.52	< 0.01	6.90	< 0.01	22.83	< 0.001
	Root-hair feeders	0.24	0.62	11.25	< 0.001	0.01	0.94	30.22	< 0.001	18.88	< 0.001	12.49	< 0.05

		Origin (O)		Soil (S)	O*S			Population (P)		Soil (S)		P*S
		Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p	Dev.	p
C. stoebe	Endoparasites	14.82	< 0.001	6.69	< 0.01	3.83	0.05	38.12	< 0.001	3.03	0.08	13.29	< 0.05
	Semi-endoparasites	2.13	0.14	20.37	< 0.001	0.56	0.46	21.27	< 0.001	28.73	< 0.001	1.85	0.87
	Ectoparasites	2.05	0.15	23.26	< 0.001	1.38	0.24	11.69	< 0.05	22.82	< 0.001	9.58	0.09
	Root-hair feeders	2.69	0.10	9.21	< 0.01	0.00	0.97	15.85	< 0.01	13.61	< 0.001	6.88	0.23

Included factors are soil (S), plant origin (O), population (P) and the origin*soil and population*soil interactions. Explained deviance (Dev.) and p values are shown. Significant results (p < 0.05) are marked in bold, marginally significant results (0.05 > p < 0.06) in italic