Table 1. Median and 95% credible intervals of final probability distributions for parameters used in the harvest potential assessment of seven sea duck populations, based on available empirical data and expert elicitation.

Parameter	Common Eider	Eastern Black Scoter	Eastern Surf Scoter	Western Black Scoter	Western Surf Scoter	White-winged Scoter	Long-tailed Duck
Breeding propensity of females at age 2 (bp2)	0.21 (0.13,0.30)	0.24 (0.13,0.43)	0.24 (0.13,0.43)	0.25 (0.17,0.34)	0.22 (0.14,0.33)	0.28 (0.12,0.48)	0.28 (0.11,0.43)
Breeding propensity of females at age 3 (bp3)	0.75 (0.60,1.00)	na	na	na	na	na	na
Breeding propensity adult females (bp.ad)	0.92 (0.60,1.00)	0.92 (0.73,0.99)	0.93 (0.73,0.99)	0.91 (0.67,0.99)	0.85 (0.65,0.99)	0.94 (0.77,0.99)	0.88 (0.63,0.99)
Clutch size (cs)	3.96 (2.93,5.23)	8.02(5.65,10.37)	7.45 (5.95,9.77)	7.91 (5.90,10.09)	7.24 (3.94,10.38)	8.81 (7.41,10.47)	7.05 (5.16,8.77)
Nest success (ns)	0.68 (0.40,0.88)	0.63 (0.36,0.93)	0.53 (0.30,0.89)	0.48 (0.18,0.93)	0.66 (0.34,0.91)	0.24 (0.10,0.43)	0.46 (0.18,0.70)
Hatching success (hs)	0.86 (0.56,0.95)	0.92 (0.60,1.00)	0.94 (0.58,1.00)	0.97 (0.89,1.00)	0.97 (0.49,1.00)	0.86 (0.83,0.90)	0.73 (0.19,0.94)
Duckling survival (ds)	0.17 (0.00,0.53)	0.45 (0.17,0.75)	0.42 (0.18,0.65)	0.40 (0.20,0.76)	0.40 (0.21,0.62)	0.36 (0.27,0.45)	0.24 (0.07,0.49)
Ratio of juvenile to adult hen wings submitted and collected in the US and Canadian national harvest survey (wings)	0.58 (0.47,0.70)	1.42 (1.18,1.72)	1.49 (1.27,1.76)	NA	0.96 (0.70,1.31)	2.14 (1.73,2.71)	1.25 (1.08,1.45)
Differential vulnerability; vulnerability of juvenile to adult females to harvest (DV)	2.39 (1.44,5.74)	2.31 (1.55,3.41)	2.31 (1.55,3.41)	NA	2.18 (1.41,3.37)	2.31 (1.55,3.41)	2.61 (1.42,5.32)
Juvenile, first-year survival (p1)	0.65 (0.40,0.85)	0.67 (0.50,0.80)	0.66 (0.50,0.80)	0.66 (0.50,0.80)	0.58 (0.29,0.81)	0.67 (0.58,0.75)	0.63 (0.45,0.78)
Subadult, 2nd year survival (p2)	0.89 (0.79,0.96)	0.82 (0.71,0.95)	0.82 (0.71,0.95)	0.82 (0.70,0.95)	0.88 (0.65,0.97)	0.75 (0.66,0.83)	0.71 (0.47,0.85)
Adult survival (p.ad)	0.90 (0.78,0.96)	0.88 (0.79,0.95)	0.88 (0.79,0.95)	0.88 (0.79,0.95)	0.88 (0.65,0.97)	0.84 (0.75,0.90)	0.81 (0.58,0.91)
Fall population size; post-birth pulse population size (NFF)	na	464132 (272345,770082)	387514 (150571,890743)	218541 (186578, 256323)	413687 (211809, 888205)	536077 (382127,754206)	777748 (517211,1207488)
Observed total sport and subsistence harvest unadjusted for crippling loss; for COEI this is observed harvest rate unadjusted for crippling loss (H.obs; h.obs)	0.018 (0.016,0.021)	19915 (14196,28221)	26227 (20265,34208)	11705 (7503,18130)	6688 (3885,11493)	16549 (10246,27113)	29996 (24015,37716)
Crippling loss or unretrieved harvest (crip)	0.30 (0.18,0.43)	0.30 (0.19,0.43)	0.30 (0.19,0.43)	0.30 (0.18,0.43)	0.30 (0.18,0.43)	0.30 (0.18,0.43)	0.30 (0.19,0.43)