Table 1.

Pairwise statistical comparison of similarity (ANOSIM, 10,000 permutations) for samples from the bacterial and the archaeal sample groups respectively for a given reactor (fermenter or post digester) and the indicated two time phases

Compartment	Pairs	Methanogenic archaea		Eubacteria
		R value	p value  (%)	R value	p value  (%)
Fermenter	Phase I–phase II	0.373	0.02	0.709	0.01
Fermenter	Phase II–phase III	0.561	0.01	0.527	0.04
Fermenter	Phase III–phase IV	0.522	0.01	0.457	0.01
Post digester	Phase I–phase II	0.304	0.60	0.565	0.01
Post digester	Phase II–phase III	0.240	1.60	0.231	0.10
Post digester	Phase III–phase IV	0.496	0.02	0.306	0.50