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. 2019 Jan 31;9:1042. doi: 10.1038/s41598-018-37776-0

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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OTU enrichment and depletion in the rhizosphere. (a) Ternary plot representing all OTUs in the data set with relative abundance >0.03% in at least one sample (~80% of the total abundance). Dot size represents its mean relative abundance (weighted average) and their position is determined by the contribution of each compartment to its total relative abundance. The dotted grid and numbers inside the triangle indicate 20% increments of contribution from each compartment. Green dots represent OTUs significantly enriched in the rhizosphere. Orange dots represent OTUs significantly depleted in the rhizosphere (FRD; p < 0.05 in both cases). Gray dots represent OTUs not significantly enriched or depleted. (b) Histograms indicating the taxonomy (class level) of all enriched and depleted OTUs. Only those classes with at least three OTUs in one category (enriched or depleted) are represented. CAL: Calamagrostis crispa, NAS: Nassella nardoides, JAR: Jarava frigida, PYC: Pycnophyllum bryoides.