Fig. 3From: Biomethanation processes: new insights on the effect of a high H2 partial pressure on microbial communitiesShannon diversity index calculated for the bacterial community of each inocula. t0 indicates the index of the initial inocula. A t-test was performed between the inocula sample and the final sample of the ex-situ or the in-situ biomethanation reactors: statistically significant differences (p > 0.05) are shown with an asterisk. NS stands for not statistically significantBack to article page