Table 6. Overview of taxonomic diversity in metagenomes.

Domain	Phylum	SG only Count	%	SG + Fe Count	%
Archaea
	Crenarchaeota	575	0.29	88	0.05
	Euryarchaeota	5,089	2.58	2,590	1.34
	Nanoarchaeota	1	0	0	0
Bacteria
	Acidobacteria	478	0.24	2,392	1.24
	Actinobacteria	1,113	0.56	2,756	1.42
	Aquificae	100	0.05	99	0.05
	Bacteroidetes	14,680	7.44	14,937	7.72
	Chlamydiae	16	0.01	35	0.02
	Chlorobi	460	0.23	530	0.27
	Chloroflexi	1,073	0.54	2042	1.06
	Chrysiogenetes	13	0.01	18	0.01
	Cyanobacteria	742	0.38	823	0.43
	Deferribacteres	117	0.06	121	0.06
	Deinococcus-Thermus	158	0.08	275	0.14
	Dictyoglomi	132	0.07	144	0.07
	Elusimicrobia	17	0.01	35	0.02
	Fibrobacteres	30	0.02	36	0.02
	Firmicutes	38,958	19.75	44,858	23.18
	Fusobacteria	533	0.27	534	0.28
	Gemmatimonadetes	11	0.01	29	0.01
	Lentisphaerae	113	0.06	165	0.09
	Nitrospirae	70	0.04	80	0.04
	Planctomycetes	375	0.19	448	0.23
	Proteobacteria	11,289	5.72	11,803	6.1
	Spirochaetes	2,460	1.25	3,795	1.96
	Synergistetes	314	0.16	460	0.24
	Tenericutes	30	0.02	34	0.02
	Thermodesulfobacteria	36	0.02	43	0.02
	Thermotogae	330	0.17	414	0.21
	Verrucomicrobia	450	0.23	611	0.32
Eukaryota
	Apicomplexa	25	0.01	19	0.01
	Arthropoda	32	0.02	30	0.02
	Ascomycota	64	0.03	59	0.03
	Bacillariophyta	7	0	8	0
	Basidiomycota	8	0	5	0
	Chlorophyta	5	0	5	0
	Chordata	32	0.02	29	0.01
	Microsporidia	1	0	0	0
	Nematoda	7	0	3	0
	Streptophyta	73	0.04	66	0.03
Plasmid:Archaea
	Crenarchaeota	5	0	2	0
	Euryarchaeota	4	0	4	0
Plasmid:Bacteria
	Actinobacteria	3	0	3	0
	Bacteroidetes	2	0	1	0
	Firmicutes	23	0.01	32	0.02
	Proteobacteria	32	0.02	29	0.01
Viruses
	ds DNA viruses, no RNA stage	113	0.06	97	0.05
	ss DNA viruses	1	0	0	0