Table 3.

OTUs found at week 5 showing significant differences in abundance between the different treatments (Tukey’s Honest Significant Differences on rarefied counts).

			Adjusted p-value
OTU_ID	Class	Taxon	CONT	SOIL-EX	CONT	SOIL–POLL	SOIL-EX	CONT
			POLL	SOIL–POLL	SOIL-EX	POLL	POLL	SOIL–POLL
OTU_1	Betaproteobacteria	Janthinobacterium	0.823	0.006	0.002	0.002	0.002	0.002
OTU_7	Alphaproteobacteria	Gemmobacter	0.043	0.328	0.663	0.134	0.078	0.220
OTU_15	Betaproteobacteria	Methylophilaceae	0.040	0.504	0.899	0.086	0.040	0.513
OTU_21	Gammaproteobacteria	Pseudomonas	0.048	0.004	0.006	0.790	0.196	0.027
OTU_26	Sphingobacteriia	Saprospiraceae	0.979	0.583	0.047	0.087	0.032	0.285
OTU_29	Actinobacteria	llumatobacter	0.009	0.477	0.127	0.334	0.651	0.964
OTU_39	Betaproteobacteria	Alcaligenaceae	0.239	0.005	0.682	0.522	0.021	0.149
OTU_41	Alphaproteobacteria	Rhodobacteraceae	0.042	0.308	0.009	0.253	0.093	0.009
OTU_79	Bacilli	Paenibacillus	0.725	0.053	0.001	0.002	0.001	0.002
OTU_81	Betaproteobacteria	Methylophilus	0.004	0.033	0.003	0.328	0.004	0.028
OTU_141	Betaproteobacteria	Oxalobacteraceae	0.177	0.043	0.041	0.293	0.963	0.111
OTU_143	Verrucomicrobiae	Verrucomicrobiaceae	0.043	0.164	0.026	0.824	0.533	0.032
OTU_144	Gammaproteobacteria	Yersinia	0.374	<0.001	0.000	<0.001	<0.001	<0.001
OTU_169	Alphaproteobacteria	Loktanella	0.031	0.630	0.407	0.010	0.010	0.587
OTU_271	Planctomycetia	Planctomyces	0.176	0.030	0.004	0.466	0.027	0.013
OTU_343	Betaproteobacteria	Silvimonas	0.374	0.012	0.043	<0.001	0.045	<0.001
OTU_349	Bacilli	Lactococcus	0.032	0.806	0.003	0.112	0.110	0.004
OTU_452	Planctomycetia	Aquisphaera	0.053	0.042	<0.001	0.006	<0.001	0.005
OTU_466	Subdivisions	Subdivisions	0.484	0.032	0.001	0.019	0.002	0.012
OTU_476	Bacilli	Streptococcus	0.031	0.171	0.004	0.098	0.039	0.003
OTU_511	Deltaproteobacteria	Peredibacter	0.706	0.043	0.023	0.234	0.015	0.442
OTU_558	Alphaproteobacteria	Novosphingobium	0.303	0.032	0.697	0.736	0.096	0.235
OTU_571	Alphaproteobacteria	Beijerinckiaceae	0.460	0.048	0.020	0.012	0.007	0.046
OTU_613	Actinobacteria	Pseudoclavibacter	0.932	0.021	0.046	0.910	0.034	0.866
OTU_692	Alphaproteobacteria	Hoeflea	0.045	0.353	0.018	0.016	0.031	<0.001
OTU_703	Deltaproteobacteria	Bdellovibrio	0.786	0.013	0.002	0.210	0.002	0.222
OTU_757	Gammaproteobacteria	Glaciecola	0.937	0.006	0.002	0.356	0.003	0.282
OTU_1141	Gammaproteobacteria	Hahella	0.199	0.037	0.011	0.025	0.013	0.013
OTU_1198	Gammaproteobacteria	Arenimonas	0.288	0.024	0.021	0.718	0.027	0.463
OTU_1515	Candidatus_Saccharibacteria	Candidatus_Saccharibacteria	0.227	0.019	0.016	0.280	0.009	0.965
OTU_1756	Alphaproteobacteria	Altererythrobacter	0.047	0.046	0.049	0.801	0.039	0.221
OTU_2497	Deltaproteobacteria	Bacteriovoracaceae	0.929	0.032	0.005	0.041	0.006	0.027
OTU_3928	Parcubacteria	Parcubacteria	0.046	0.046	0.013	0.064	0.002	0.595
OTU_6134	Caldilineae	Litorilinea	0.203	0.032	0.001	0.201	0.004	0.025
OTU_6559	Deltaproteobacteria	Nannocystaceae	0.768	0.006	<0.001	0.059	<0.001	0.046

Adjusted p-values from all possible pair-wise comparisons are shown. For each OTU, class, and taxon names are provided, the latter referring to the lowest taxonomic level successfully reached by SILVA database (i.e., genus, family, order, or class). Significant p-values are shown in bold.