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. 2019 Jan 8;9:3203. doi: 10.3389/fmicb.2018.03203

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Copyright © 2019 Vitulo, Lemos, Calgaro, Confalone, Felis, Zapparoli and Nardi.

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) and the copyright owner(s) 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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Factor analysis on bark dataset (PCoA based on UniFrac distances). Sample variable ordination by: Region (A), Region and Management (B), and Region and Season (C).