Table 4.

Percentage of reads assigned to the most abundant methanogenic genera

Metagenome	Methanoculleus	Methanobrevibacter	Methanosarcina	Methanosaeta
R1	0.264	0.038	0.019	0.021
R2	0.183	0.046	0.034	0.017
R3	0.164	0.057	0.034	0.011
R4	0.145	0.052	0.031	0.018
IN	0.417	0.236	0.171	0.017