Table 4.

Sponge‐enriched core OTUs. Mean relative abundance, standard deviation, and taxonomic classification of sponge‐enriched OTUs. Significant effects and pairwise differences show which independent variables showed significant differences among groups

OTU	Mean rel. abundance	Standard deviation	Lowest tax classification	Significant effects	Pairwise differences
Otu001144	0.069	0.078	Gammaproteobacteria	Site & Pop	Pop A > B
Otu001773	0.058	0.044	Gammaproteobacteria	NS
Otu003854	0.096	0.059	Proteobacteria	NS
Otu029238	0.052	0.064	Gammaproteobacteria	Pop	Pop B > A, C, D
Otu121276	0.127	0.166	Gammaproteobacteria	Pop	Pop B > D
Otu000190	0.013	0.015	Gammaproteobacteria	Pop
Otu000491	1.20E‐03	1.28E‐03	Gammaproteobacteria	Site
Otu001969	0.012	0.036	Gammaproteobacteria	Pop	Pop C > A, B, D; Pop D > A, B
Otu003852	2.34E‐04	1.79E‐04	Proteobacteria	Pop
Otu007558	1.20E‐04	9.70E‐05	Proteobacteria	NS