Table 1. Summary data for polar bears studied.

Population	Biometrics			Sympagic carbon (%)			Sea ice melt onset (days decade-1; 1979–2014)[2]	Interval between spring ice melt and autumn freeze (days decade-1; 1979–2014)[2]
	Age yrs (5+: 3–4)	Sex (M:F)	Years sampled (2012:2013:2014)	Mean	Minimum	maximum
Baffin Bay	20:13	18:7	7:10:8	82 (68–96)	47 (33–61)	100 (85–114)	-7.3	+12.7
Western Hudson Bay	20:9	25:4	16:13:0	88 (74–102)	45 (31–59)	100 (86–115)	-5.1	+8.7
Southern Hudson Bay	21:13	28:6	0:20:14	87 (73–101)	35 (20–48)	100 (86–115)	-3.0	+6.6
all bears	61:35	71:17	23:43:22	86* (72–100)	-	-	-	-

*Calculated using the mean of the three sub-populations

Biometric data with sympagic carbon estimates (%), calculated from H-Prints using Eq 3 (99% CI[25]), of bear diet with regional sea ice metrics.