Fig. 6From: Microbial community compositions in different functional zones of Carrousel oxidation ditch system for domestic wastewater treatmentProfile clustering Cytoscape network visualize the top 50 abundant OTUs across the six WWTPs represented as XJYQ (green), ZZLQ (medium aquamarine), HBLY (red), BJYF (blue), GDHZ (purple) and MYYX (yellow), respectively. Node sizes pie chart presented the relative abundances of the OTU over the respective samplesBack to article page