SRR2181867 Bacterial community in MBBR SRR2185680 Bacterial community in XYF_MBBR SRR2185708 Bacterial community in TY_FSF SRR2185710 bacterial community in HF_SB1 SRR2185715 Bacterial community in HF_SB2 SRR2185717 Bacterial community in HF_SB3 SRR2185720 Bacterial community in MB_SB1 SRR2185722 bacterial community in MB_SB2 SRR2185724 bacterial community in MB_SB3