Table 1. Model coefficients, escapement (Sm) resulting in maximum yield, and AIC values for stock recruitment models of pink salmon fitted to data between 1962 and 1997. Results are shown for northern (NSE), southern (SSE), and combined northern and southern (SE) regions of southeastern Alaska.

Region Model T Sm

AIC

SE Ricker 1.69 -0.03 -- -- -- 80.52
Ricker temp. 0.52 -0.03 -- 0.04 -- 80.15
Gamma 0.10 0.25 3.47 -- 14.11 77.33
Gamma temp. 0.03 0.29 3.68 0.05 12.59 71.23 *
NSE Ricker 2.34 0.00 -- -- -- 93.75
Ricker temp. 0.63 0.00 -- 0.05 454.73 91.23
Gamma 0.40 0.43 3.55 -- 8.34 88.70
Gamma temp. 0.12 0.47 3.56 0.05 7.61 82.08 *
SSE Ricker 1.13 -0.07 -- -- -- 104.29
Ricker temp. 0.67 -0.04 -- 0.02 -- 105.71
Gamma 0.70 0.34 2.63 -- 7.70 104.35 *
Gamma temp. 0.26 0.49 3.15 0.04 6.38 104.75



Table 2. Model coefficients, escapement (Sm) resulting in maximum yield, and AIC values for stock recruitment models of pink salmon fitted to data between 1979 and 1997. Results are shown for northern (NSE), southern (SSE), and combined northern and southern (SE) regions of southeastern Alaska.

Region Model T S        Sm

AIC

SE Ricker 9.33E+00 0.10 -- -- -- 9.73 37.71
Ricker temp. 7.55E+00 0.11 -- 0.01 -- 9.50 39.60
Gamma 5.87E-06 0.83 10.37 -- -- 12.52 33.79
Gamma temp. 7.01E-06 0.82 10.12 0.01 -- 12.41 35.41
Ricker -- scale 5.04E-04 0.09 -- -- 0.13 10.58 23.16
Ricker temp. scale 4.04E-04 0.10 -- 0.01 0.13 10.08 24.76
Gamma -- scale 6.02E-06 0.41 4.98 -- 0.11 12.27 21.52 *
Gamma temp. scale 3.59E-06 0.41 5.02 0.01 0.11 12.17 23.16
NSE Ricker 1.42E+01 0.21 -- -- -- 4.83 39.69
Ricker temp. 8.38E+00 0.22 -- 0.02 -- 4.48 41.10
Gamma 1.12E-01 0.73 5.44 -- -- 7.49 38.54
Gamma temp. 1.03E-01 0.70 5.13 0.02 -- 7.29 40.28
Ricker -- scale 1.07E-03 0.21 -- -- 0.13 4.80 29.05
Ricker temp. scale 8.57E-04 0.22 -- 0.02 0.12 4.45 29.61
Gamma -- scale 1.80E-04 0.48 3.33 -- 0.12 6.90 29.03 *
Gamma temp. scale 1.72E-04 0.48 3.21 0.02 0.11 6.65 29.95
SSE Ricker 2.20E+00 0.05 -- -- -- 19.24 51.75
Ricker temp. 2.76E+00 0.05 -- -0.01 -- 19.06 53.64
Gamma 1.69E-01 0.88 5.32 -- -- 6.05 52.19
Gamma temp. 1.38E-01 0.90 5.41 0.01 -- 6.02 54.22
Ricker -- scale 1.19E-04 0.06 -- -- 0.13 17.56 45.88
Ricker temp. scale 1.29E-04 0.05 -- 0.00 0.13 18.93 47.75
Gamma -- scale 1.70E-05 0.77 4.89 -- 0.13 6.33 47.74 *
Gamma temp. scale 1.73E-05 0.76 4.82 0.00 0.13 6.31 49.69