Fig 2. The bacterial communities of CDTs at family level (a) and genus level (b).

Bacterial families were indicated by different colors, and “others” presented the rest families with a relative abundance less than 1%. FZ1-4, four samples of Fuzhuan brick tea; QZ1-2, two samples of Qingzhuan brick tea; PR1-3, three samples of Pu’er tea; LB1-2, two samples of Liubao tea.