Fig. 7From: Ecology of bacteria in the human gastrointestinal tract—identification of keystone and foundation taxaEnterotype switching in I1. a Average silhouette widths of different cluster numbers indicate that two clusters provide a reasonable fit to the data. b PCoA plot of samples from I1 showing two distinct clusters. c Relative abundance of Prevotella in samples corresponding to enterotype 1 (red) and 2 (green). d Relative abundance of Bacteroides in samples corresponding to enterotype 1 (red) and 2 (green)Back to article page