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. 2019 Jul 3;7:99. doi: 10.1186/s40168-019-0715-5

Fig. 3.

Fig. 3

Boxplot of alpha-diversity Chao1 values grouped by cold water, hot water, and biofilms in each DWDSs A–E (DNA + RNA). WMbiofilm, water meter biofilm; biofilm, pipeline biofilm; N, number of samples