#Database_OTU	Count	Abundance	Taxonomy
4438983	70	0.00693619	Archaea;	Euryarchaeota;	Methanobacteria;	Methanobacteriales;	Methanobacteriaceae;	Methanobrevibacter;	Unclassified;	otu_4438983
849440	10019	0.992767	Archaea;	Euryarchaeota;	Methanobacteria;	Methanobacteriales;	Methanobacteriaceae;	Methanobrevibacter;	Unclassified;	otu_849440
1136152	3	0.000297265	Archaea;	Crenarchaeota;	Thaumarchaeota;	Nitrososphaerales;	Nitrososphaeraceae;	Candidatus_Nitrososphaera;	gargensis;	otu_1136152