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. 2018 Jan 19;8:2709. doi: 10.3389/fmicb.2017.02709

Figure 4.

Figure 4

PCO displaying variation in microbial community composition in the different sample sources water (free-living fraction=water_0.2; particle-attached fraction=water_3), wood, PE, PS. Labels refer to sampling stations. Circles indicate 20 (straight line) and 40% (dashed line) of similarity. Plots are based on Bray-Curtis similarity matrices of square root-transformed relative abundances of OTUs (16S rRNA gene data), displaying the “Baltic” (A), the “Warnow” (B), the “WWTP” (C) dataset. Also given are P-values of pairwise PERMANOVA (Monte Carlo) from the tests (1) wood vs. PE, (2) wood vs. PS, (3) PE vs. PS, with significant values (p < 0.05) in bold.