TABLE 1.

Summary of eastern Canada samples genotyped with ddRADseq and lcWGS datasets. N and years indicate sample size and sampling period, respectively. N _overlap indicates the number of samples common to both datasets.

Regions a	ddRADseq		lcWGS		N overlap
	N	Years	N	Years
St. Lawrence Estuary	22	2000–2019	19	2009–2019	8
Cumberland Sound	27	2002–2007	34	1982–2016	13
Frobisher Bay	16	1991–1992	8	1993–2002	0
Ungava Bay	89	1994–2018	3	2019	0
North Hudson Strait	27	1989–2000	18	1989–2009	0
South Hudson Strait	112	1994–2015	43	1994–2020	5
Northeast Hudson Bay	32	1998–2018	1	2003	1
Southeast Hudson Bay Arc	124	1990–2018	29	1990–2020	5
Belcher Islands	43	2002–2005	88	1993–2021	6
James Bay	24	2002–2009	14	2002–2010	13
Southwest Hudson Bay	14	2002–2005	1	1992–2015	1
Northwest Hudson Bay	68	1992–2015	41	1993–2009	13
North Hudson Bay	39	1993–2006	31	1996–2012	7
Resolute Bay	—	—	9	1996–2012	0
Total b	637	1989–2019	339	1989–2021	72

^a One beluga whale was not associated to any region and is not included in the table. The carcass was collected in the northeastern Gulf of St. Lawrence (see Figure 1).

^b The totals with the removed Gulf of St. Lawrence beluga whale are 638, 340, and 73 for ddRADseq, lcWGS, and shared individuals, respectively.