Fig. 2From: Community analysis of biofilms on flame-oxidized stainless steel anodes in microbial fuel cells fed with different substratesRarefaction curves (a) and PCo plot (b) showing the relationship among the biofilm communities on FO-SSA or CCA fed with acetate medium (AM), starch medium (SM), glucose medium (GM), or livestock wastewater (WW)Back to article page