Fig. 4From: Difference in composition and functional analysis of bacterial communities between Mytilus galloprovincialis gills and surrounding water in a brackish inshore bay, analyzed by 16S rDNA multi-amplicon sequencingPrincipal coordinate analysis of gill samples between different sampling times (A). Box plot of alpha diversity of gill samples with Shannon index (B). Principal coordinate analysis of seawater between different sampling times (C). Box plot of alpha diversity of seawater with Shannon index (D). The significance level (Kruskall-Wallis test) is reported above the B and D graphsBack to article page