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. 2015 Aug 28;6:858. doi: 10.3389/fmicb.2015.00858

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Copyright © 2015 Converse, McKinley, Resch and Roden.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Weighted Unifrac principal components analysis of 16S rRNA gene sequences from groundwater and grouped mineral deployments constructed from jackknifed beta diversity analysis. The number of sequences per sample was normalized to n = 2000. Values in parentheses in the symbol legend indicate the number of samples included in that groupling. The circles indicate the three clusters of samples, which were determined to be statistically different with ANOSIM (R = 0.818). There was no significant similarity between samples from different deployment types (R = 0.314).