Table 1.

Results from permutational analysis of variance (PERMANOVA) for the effects of site, reef type (back vs. fringing), and geographic distance on microbial community metrics.

	Taxonomic composition			Functional composition	Biosynthetic potential		Realized potential
	ASV (Bray-Curtis)	ASV (UniFrac)	Metagenomes	Pfam	OBUs	GCFs	Metabolome
Site (R2)	0.18***	0.17***	0.25**	0.22	0.19***	0.25***	0.28***
Reef type (R2)	0.07***	0.07***	0.07**	0.07*	0.04**	0.06**	0.09***
Geographic distance (R2)	0.03***	0.01***	<0.0001	<0.01	0.01**	0.01**	0.01***

Percent of variance explained depicted as R² values for each effect with level of significance (*p < 0.05, **p < 0.01, ***p < 0.001).

ASV amplicon sequence variants of the 16 S rRNA gene, Pfam protein families, OBU operational biosynthetic unit, GCF gene cluster family.