Appendix S1 Supporting Materials.

Fig. S1 Patterns in marine iguana intestinal community dissimilarity among sampling sites.

Fig. S2 Correlation of average relative abundances of genus-level OTUs in sympatric marine and land iguana populations.

Fig. S3 Microbial taxa contributing to detected host and site differences in microbial communities.

Table S1 Sampling site characteristics and sample summary.

Table S2 Comparison of richness and similarity of Isla Santa Fe samples, 2005 and 2009.

MEC_5502_sm_SupportingInformation.pdf822KSupporting info item

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