Table 3 General features of the metagenome sequences

Raw sequence reads

1,091,366

1,177,491

After quality control

822,865 (75.40 %)

961,221 (81.60 %)

CDSs

1,170,916

1,323,575

16S rRNAs

628

633

Taxonomically classified reads

114,838 (13.96 %)

112,459 (11.70 %)

- Bacteria

113,696 (99.01 %)

111,326 (98.99 %)

- Archaea

933 (0.81 %)

707 (0.63 %)

- Viruses

209 (0.18 %)

426 (0.38 %)