Table 4.

OTUs with highest relative decrease in abundance under irrigation in April (S1), June (S2), or July (S3) of 2013.

Sample	OTU	log2FC	Phylum	Class	Order	Family	Genus	Species
S2	OTU_64	−6.6	Actinobacteria	Actinobacteria	Solirubrobacterales	Solirubrobacteraceae	Solirubrobacter	OTU_64__Solirubrobacter__Actinobacteria
S3	OTU_57	−4.8	Proteobacteria	Gammaproteobacteria	Oceanospirillales	Oceanospirillaceae	Oceaniserpentilla	OTU_57__Oceaniserpentilla__Proteobacteria
S2	OTU_126	−4.5	Bacteroidetes	Sphingobacteria	Sphingobacteriales	Chitinophagaceae	Segetibacter	OTU_126__Segetibacter__Bacteroidetes
S2	OTU_37	−4.2	Actinobacteria	Actinobacteria	Actinomycetales	Promicromonosporaceae	Promicromonospora	OTU_37__Promicromonospora__Actinobacteria
S1,2,3	OTU_194	−3.9	Firmicutes	Bacilli	Bacillales	Paenibacillaceae	Cohnella	OTU_194__Cohnella__Firmicutes
S2	OTU_8	−3.8	Bacteroidetes	Sphingobacteria	Sphingobacteriales	Sphingobacteriaceae	Pedobacter	OTU_8__Pedobacter__Bacteroidetes
S3	OTU_189	−3.8	Gemmatimonadetes	Gemmatimonadetes	Gemmatimonadales	Gemmatimonadaceae	Gemmatimonas	OTU_189__Gemmatimonas__Gemmatimonadetes
S3	OTU_92	−3.6	Proteobacteria	Alphaproteobacteria	Sphingomonadales	Sphingomonadaceae	Sphingomonas	OTU_92__Sphingomonas__Proteobacteria
S1,3	OTU_28	−2.6	Proteobacteria	Alphaproteobacteria	Rhodospirillales	Rhodospirillaceae	Skermanella	OTU_28__Skermanella__Proteobacteria
S1	OTU_126	−2.5	Bacteroidetes	Sphingobacteria	Sphingobacteriales	Chitinophagaceae	Segetibacter	OTU_126__Segetibacter__Bacteroidetes
S1	OTU_159	−2.4	Tenericutes	Mollicutes	Mycoplasmatales	Mycoplasmataceae	Mycoplasma	OTU_159__Mycoplasma__Tenericutes
S1	OTU_58	−2.3	Bacteroidetes	Sphingobacteria	Sphingobacteriales	Sphingobacteriaceae	Mucilaginibacter	OTU_58__Mucilaginibacter__Bacteroidetes