Table 3.

Taxonomic classification of biofloc metagenomes based on the Kraken2 program using various RefSeq databases.

Sample code	Unclassified	Bacteria	Eukaryota	Archaea	Fungi	Viruses
Bf01S1	69.99	29.48	0.43	0.05	0.03	0.02
Bf02S1	77.37	21.91	0.32	0.15	0.24	0.01
Bf03S1	68.33	30.78	0.57	0.21	0.09	0.02
Bf04S1	60.39	39.42	0.14	0.01	0.03	0.01
Bf05S1	70.30	29.41	0.18	0.07	0.03	0.01
Bf06L2	67.09	32.58	0.15	0.12	0.03	0.03
Bf07L2	65.66	33.93	0.25	0.10	0.04	0.02
Bf08L2	82.10	17.50	0.22	0.13	0.04	0.01
Average	70.15	29.37	0.28	0.10	0.06	0.01

The values represent relative abundance (%) of each taxonomic group based on the number of metagenomic reads.