Table 3.

Mantel and partial Mantel test analyses for the determination of the influence of environmental variables and geographical distance onto the microbial distribution for the global dataset and a subsample of 16 European samples.

Test	Matrices	Global samples		European samples
		r	P	r	P
Mantel	Geodist vs. Jacdist	0.2153	<0.001	0.3884	0.0032
	Envdist vs. Jacdist	0.3838	<0.001	0.4421	0.0019
Partial Mantel	Geodist vs. Jacdist (Envdist conditioned)	0.1436	<0.001	0.0598	0.2685
	Envdist vs. Jacdist (Geodist conditioned)	0.3525	<0.001	0.2364	0.0380

Geodist, Geographical distance; Envdist, Environmental distance; Jacdist, Jaccard distance.