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. 2019 Aug 21;7:115. doi: 10.1186/s40168-019-0726-2

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Rarefaction curves for 16S rRNA V4 (a) and ITS2 (b) sequences. Individual samples were plotted using the number of OTUs that represent the sequence sample size on x axis and the number of unique OTUs that indicate the species richness on y axis. Each curve is color-coded based on the facility in which the sample was collected