#Database_OTU Count Abundance Taxonomy 591683 1 0.75 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Hyphomicrobiaceae; Pedomicrobium; Unclassified; otu_591683 107074 1 0.25 Archaea; Euryarchaeota; Methanomicrobia; Methanosarcinales; Methanosarcinaceae; Methanosarcina; Unclassified; otu_107074