Table 1:

Summary statistics for metagenomes, MAGs, and viral scaffolds from the sampling sites.

Site	# of Metagenomes	Read count	Scaffolds ≥5 kbp	MAGs1	viral scaffolds ≥5 kbp2	% viral3
SO_2016	6	1,135,023,824	190,754	688	23,893	12.43
SO_2017	8	1,822,382,124	269,004	1,064	39,612	13.53
NEUS_2019	9	1,869,347,618	530,926	1,881	36,453	6.66
CA_2019	4	862,249,102	231,655	762	6,410	2.15

¹– Quality filtered bins with >70% completion, <10% contamination

²– viral scaffolds detected (prior to CD-HIT clustering)

³– % of total nucleotides in assembled scaffolds ≥5 kbp predicted to be of viral origin