Table 2.

Description of reference virome datasets used for analysis.

Dataset	Lake Name and Geographic Location	SRA Sample Name	Latitude and Longitude	Depth, m	Collection Date	Project	SRA Experiment	Illumina System	Layout	Reference
Baikal_6C	Lake Baikal, Russia	Lake Baikal_6C	51.899444 N 105.063889 E	0	8 November 2013	PRJNA398439	SRX3096544	MiSeq	PAIRED	[27]
Baikal_BVP1	Lake Baikal, Russia	Lake Baikal BVP1	51.798082 N 104.876782 E	0–50	22 March 2018	PRJNA547700	SRX5988169	MiSeq	PAIRED	[28]
Baikal_BVP2	Lake Baikal, Russia	Lake Baikal BVP2	51.82 N 104.9 E	0–50	8 June 2018	PRJNA547700	SRX5991721	MiSeq	PAIRED	[28]
Michigan_1	Lake Michigan, USA	Montrose 5-Jul-13	41.58 N 87.38 W	0	5 July 2013	PRJNA248239	SRX554904	MiSeq	PAIRED	[15]
Michigan_2	Lake Michigan, USA	Montrose 5-Jun-13	41.58 N 87.38 W	0	5 June 2013	PRJNA248239	SRX553227	MiSeq	PAIRED	[15]
Michigan_3	Lake Michigan, USA	Montrose 25-Jun-13	41.58 N 87.38 W	0	25 June 2013	PRJNA248239	SRX554914	MiSeq	PAIRED	[15]
Ontario_7	Lake Ontario, Canada	Lakeside-1_VD	43.20 N 79.27 W	1	9 August 2012	PRJNA288501	SRX1078016	HiSeq 2000	SINGLE	[14]
Ontario_9	Lake Ontario, Canada	Lakeside-3_VD	43.21 N 79.26 W	1	9 August 2012	PRJNA288501	SRX1077740	HiSeq 2000	SINGLE	[14]
Ontario_11	Lake Ontario, Canada	Lakeside-4_VD	43.20 N 79.27 W	1	4 July 2013	PRJNA288501	SRX1077738	HiSeq 2000	SINGLE	[14]
Erie_14	Lake Erie, Canada	Long Beach-1_VD	42.86 N 79.39 W	1	9 August 2012	PRJNA288501	SRX1077734	HiSeq 2000	SINGLE	[14]
Erie_12	Lake Erie, Canada	Long Beach-3_VD	42.87 N 79.42 W	1	9 August 2012	PRJNA288501	SRX1077730	HiSeq 2000	SINGLE	[14]
Erie_15	Lake Erie, Canada	Long Beach-4_VD	42.87 N 79.40 W	1	4 July 2013	PRJNA288501	SRX1077729	HiSeq 2000	SINGLE	[14]
LoughN_16	Lough Neagh, UK	4 pW	54.618333 N 6.395278 W	0–10	28 April 2014	PRJNA292054	SRX1134649	MiSeq	PAIRED	[16]
LoughN_17	Lough Neagh, UK	Lough Neagh, sample 1	54.618333 N 6.395278 W	0–10	4 March 2014	PRJNA350258	SRX2265652	MiSeq	PAIRED	[18]
LoughN_21	Lough Neagh, UK	Lough Neagh, sample 6	54.618333 N 6.395278 W	0–10	23 June 2014	PRJNA350258	SRX2267675	MiSeq	PAIRED	[18]
LoughN_23	Lough Neagh, UK	Lough Neagh, sample 8	54.618333 N 6.395278 W	0–10	2 September 2014	PRJNA350258	SRX2267700	MiSeq	PAIRED	[18]
LoughN_26	Lough Neagh, UK	Lough Neagh, sample 11	54.618333 N 6.395278 W	0–10	20 January 2015	PRJNA350258	SRX2267718	MiSeq	PAIRED	[18]
Soyang_29	Lake Soyang, South Korea	ERS2758845	37.947421 N 127.818872 E	0	January 2015	PRJEB15535	ERX2821557	MiSeq	PAIRED	[17]
Soyang_31	Lake Soyang, South Korea	ERS2759071	37.947421 N 127.818872 E	0	May 2016	PRJEB15535	ERX2821582	MiSeq	PAIRED	[17]
Soyang_32	Lake Soyang, South Korea	ERS2759121	37.947421 N 127.818872 E	0	November 2015	PRJEB15535	ERX2821583	MiSeq	PAIRED	[17]
Soyang_33	Lake Soyang, South Korea	ERS2759122	37.947421 N 127.818872 E	0	September 2015	PRJEB15535	ERX2821584	MiSeq	PAIRED	[17]
Biwa_35	Lake Biwa, Japan	LBV-julE	35.2193 N 135.9957 E	5	20 July 2016	PRJDB7309	DRX138423	MiSeq	PAIRED	[10]
Biwa_37	Lake Biwa, Japan	LBV-augE	35.2193 N 135.9957 E	5	18 August 2016	PRJDB7309	DRX138425	MiSeq	PAIRED	[10]
Biwa_39	Lake Biwa, Japan	LBV-sepE	35.2193 N 135.9957 E	5	27 September 2016	PRJDB7309	DRX138427	MiSeq	PAIRED	[10]
Biwa_40	Lake Biwa, Japan	LBV-sepH	35.2193 N 135.9957 E	65	13 September 2016	PRJDB7309	DRX138428	MiSeq	PAIRED	[10]
Biwa_41	Lake Biwa, Japan	LBV-octH	35.2193 N 135.9957 E	65	11 October 2016	PRJDB7309	DRX138429	MiSeq	PAIRED	[10]
Biwa_45	Lake Biwa, Japan	LBV-febH	35.2193 N 135.9957 E	65	13 February 2017	PRJDB7309	DRX138433	MiSeq	PAIRED	[10]