#Database_OTU Count Abundance Taxonomy 153168 23581 0.968518 Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter; Unclassified; otu_153168 842598 746 0.0153198 Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter; Unclassified; otu_842598 4438983 1 4.1072e-05 Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter; Unclassified; otu_4438983 104130 221 0.00907691 Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter; Unclassified; otu_104130 152450 343 0.00704384 Archaea; Euryarchaeota; Methanobacteria; Methanobacteriales; Methanobacteriaceae; Methanobrevibacter; Unclassified; otu_152450