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. 2015 May 18;10(5):e0126931. doi: 10.1371/journal.pone.0126931

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© 2015 Lecomte et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 3 — Diversity statistics: T-test: df = 13 for phyla (unequal variance) and df = 18 for all other taxonomic levels; Manny-Whitney U test: df = 1. p(t) is P-value of the t-test, p(W) is P-value of the Mann-Whitney U test. Error bars display the standard error of mean.