Table 3.

Alpha diversity of the methanogenesis related genes.

	Acs	Cdh	Fmd	mtrB	Ack	Hdr	mcr	Mer	mtb complex	Mtd	mtdB	mtr	pta
Individuals	5518	138	391	35	2727	484	540	411	92	248	30	165	730
Dominance_D	0.2911	0.2591	0.2697	0.2756	0.2929	0.2719	0.2791	0.2992	0.3419	0.2668	0.308	0.2795	0.3577
Simpson_1-D	0.7089	0.7409	0.7303	0.7244	0.7071	0.7281	0.7209	0.7008	0.6581	0.7332	0.692	0.7205	0.6423
Shannon_H	1.291	1.368	1.341	1.322	1.286	1.335	1.317	1.272	1.192	1.347	1.231	1.317	1.149
Evenness_e^H/S	0.9095	0.982	0.9555	0.9381	0.9047	0.9497	0.9335	0.892	0.8232	0.9614	0.8559	0.9335	0.7891
Equitability_J	0.9315	0.9869	0.9671	0.9539	0.9277	0.9627	0.9503	0.9176	0.8597	0.9716	0.8878	0.9503	0.8291
Fisher_alpha	0.422	0.7701	0.6203	1.164	0.4605	0.5971	0.5859	0.6147	0.8528	0.6773	1.24	0.739	0.5572

Enzymes included; formylmethanofuran dehydrogenase (fmd); formylmethanofuran-H4MPT formyltransferase (ftr); methenyl-H4MPT cyclohydrolase (mch); methylene-5,6,7,8-H4MPT dehydrogenase (mtd); H2-forming N5,N10-methylene-H4MPT dehydrogenase(hmd); 5,10-methylene-H4MPT reductase (mer); H4MPT-methyltransferase (mtr); acetate kinase (ack); phosphate acetyltransferase (pta); acetyl-CoA synthetase (acs); CO dehydrogenase/acetyl CoA synthase(cdh); methanol-specific methyltransferase complex (mta); methylamine-specific methyltransferase complex (mtb); the CoB-CoM heterodisulfide reductase (hdr); and the methyl CoM reductase (mcr).