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. 2020 Nov 12;8:157. doi: 10.1186/s40168-020-00926-6

Fig. 4.

Fig. 4

Microbial ecological network showing correlated taxa (Bacteria and Eukaryotes) in cooling tower samples organised into modules (1 to 3). Green edges represent positive correlations between taxa, and red edges represent negative correlations between taxa. Peripheral and connector nodes are respectively represented by circles and diamonds. A positive correlation can be observed between Brevundimonas, Oligohymenophorea and Legionella, indicated by thicker edges