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. 2016 Nov 24;7:1883. doi: 10.3389/fmicb.2016.01883

FIGURE 4.

FIGURE 4

Non-metric multidimensional scaling of bacterial communities from a congruent dataset (surface water and marine and mesohaline only) at different phylogenetic levels based on SILVA rank taxonomy. NMDS at: (A) the OTU level (stress: 0.13); (B) the genus level (stress: 0.13); (C) the family level (stress: 0.14); (D) the order level (stress: 0.17); (E) the class level (stress: 0.15); and (F) the phylum level (stress: 0.13). The environmental variables salinity, season, and temperature were added as post hoc vectors to the NMDS graph representing the correlation coefficients between the environmental variables and the NMDS scores. Samples from the February cruise are indicated in blue and those from the July cruise in red.