Fig. 6

Ordination of the PAH enrichment sample-based OTUs. a NMDS based on Bray-Curtis similarity matrices of OTUs. b PCoA based on weighted Unifrac distance matrices of OTUs. c PCoA based on unweighted Unifrac distance matrices of OTUs
Ordination of the PAH enrichment sample-based OTUs. a NMDS based on Bray-Curtis similarity matrices of OTUs. b PCoA based on weighted Unifrac distance matrices of OTUs. c PCoA based on unweighted Unifrac distance matrices of OTUs