Table 1.

Linear models of the relationship between each of core microbiome OTU abundance and the drivers

Taxonomy (family)	OTU number	Time		Site			Host species				Model total R2 (%)
		July	August	Bic	Gatineau	Sutton	ACRU	ACSA	BEPA	PIGL
Acetobacteraceae	3293	NS	NS	NS	NS	NS	NS	NS	−0.71**	−0.53*	18
	7913	NS	NS	−0.80**	−1.77***	−1.12***	NS	−0.71**	0.66**	−0.91***	45
	20300	NS	NS	NS	NS	NS	−1.04***	−0.49*	−2.19***	NS	46
	30571	NS	NS	NS	−1.91***	NS	NS	NS	−0.79**	−1.01***	58
	33295	NS	NS	NS	NS	NS	0.6777*	NS	−0.68*	NS	19
Acidobacteriaceae	4366	NS	NS	−1.01***	−1.42***	−1.06***	NS	−1.17***	−0.99***	−0.84**	32
	30762	NS	NS	−0.94***	−1.06***	−0.63***	NS	−1.09***	−0.91***	−0.70**	30
	37541	NS	NS	−1.47***	−2.47***	−0.77**	1.33***	NS	1.30***	−0.99***	55
	42054	NS	0.51*	−0.71**	−1.31***	−0.56*	−1.55***	−2.02***	−0.68*	−0.72**	44
	45264	NS	NS	NS	−1.72***	−0.58**	−1.61***	−1.80***	−1.78***	−0.52*	60
Beijerinckiaceae	17267	NS	NS	−0.55*	−0.97***	−0.66**	1.60***	0.74**	NS	NS	39
	43328	NS	NS	NS	−0.74**	NS	0.92***	NS	NS	NS	26
Cystobacterineae	45353	−0.67**	NS	−1.68***	−1.69***	−1.54***	1.61***	NS	1.72***	NS	50
Methylocystaceae	6292	NS	NS	NS	−0.66**	NS	1.24***	NS	NS	−0.49*	34
	32918	NS	NS	0.68*	−1,45***	NS	−1,83***	−1,70***	−2,29***	−0,69*	55
	38758	NS	NS	NS	−0.72**	NS	1.28***	0.67**	NS	NS	38
Oxalobacteraceae	26524	NS	NS	NS	NS	NS	1.53***	1.95***	NS	NS	32
Sphingomonadaceae	11233	NS	0.81**	NS	0.99**	0.99**	NS	NS	−1.96***	NS	42
	20227	NS	NS	−0,88**	−1,26***	−1,36***	NS	NS	NS	NS	22

Numbers represent the coefficient of factors. Significance levels for each variable are given by: *p < 0.05; **p < 0.01; ***p < 0.001; NS, p > 0.1