Table 1.

Sources of data used in this study

Environment	Sample origin	Source	Virus enrichment approach	# of virome-metagenome sample pairs used	Sample design
Human gut	Fecal samples; Cork, Ireland	Shkoporov et al., 2019 [11]	0.45 μm filtration, ultracentrifugation, and polyethylene glycol (PEG) precipitation	10	Individuals, timepoint
Freshwater	Oxic and anoxic water columns; Lake Mendota, Madison, WI, USA	Tran et al., 2023 [6]	0.22 μm filtration and FeCl3 precipitation	14	Water column depth, timepoint
Marine	Tara Oceans	Pesant et al., 2015; Sunagawa et al., 2015 [44, 45]	0.22 μm filtration and FeCl3 precipitation	21	Water column depth, geographic location
Soil	Tomato field; Davis, CA, USA	Santos-Medellin et al., 2021 [28]	Amended 1% potassium citrate (AKC) resuspension, 0.22 μm filtration	15	Soil amendment, plot, timepoint