Communities clustered using Unifrac PCA for bacterial
community of dairy wastewater treatment system. Samples
were obtained from the 1st to 5th segments at S Farm in
summer. 6S1: 1st segment; 6S2: 2nd segment; 6S3: 3rd
segment; 6S4: 4th segment; 6S5: 5th segment. PCA: principal
component analysis.