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. 2018 Apr 5;9:554. doi: 10.3389/fmicb.2018.00554

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Copyright © 2018 Henke, Turk-Kubo, Bonnet and Zehr.

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 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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Nonmetric multidimensional scaling (NMDS): plot of 28 biological samples, coded by date and station with best explanatory environmental variable overlay. Data represent sequence relative abundances; resemblances based on Bray–Curtis similarity. Plots are overlaid with best explanatory environmental variable vectors, pointing in the direction of increasing ln(temp), chl a, NOx, and weekly average wind direction. The length of the vectors shows the strength of the relationship.