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. 2019 Sep 13;7:130. doi: 10.1186/s40168-019-0747-x

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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. 4 — Association of non-genetic variables with Bray-Curtis index. Significant variables from the univariate test and their R² values (right-hand side). Heatmap represents the PERMANOVA’s p values from the multivariable test, and the asterisks denote the statistical significance (***p < 0.001, **p < 0.01, *p < 0.05). The results for other β-diversity metrics are available in Additional file 2: Table S5