Witch in Subarea 4 and divisions 3.a and 7.d. Annual catch scenarios. All weights are in tonnes. | ||||||||||
Total catch (2024) | Projected landings (2024) | Projected discards (2024) | Ftotal ages 4-8 (2023 & 2024) | Flandings (2024) | Fdiscards (2024) | SSB (2024) | SSB (2025) | % SSB change | % Advice change | |
MSY approach: Fmsy (AR) | 1579 | 1474 | 105 | 0.144 | 0.140 | 0.004 | 4987 | 5911 | 23.0 | 32.0 |
FMSY upper (AR) | 2100 | 1959 | 141 | 0.196 | 0.190 | 0.006 | 4860 | 5518 | 20.0 | 75.0 |
FMSY lower (AR) | 1098 | 1027 | 71 | 0.098 | 0.095 | 0.003 | 5106 | 6314 | 26.0 | -8.3 |
F = 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 5355 | 7244 | 32.0 | -100.0 |
Fpa | 2764 | 2573 | 191 | 0.270 | 0.260 | 0.008 | 4699 | 5044 | 16.0 | 131.0 |
Flim | 3331 | 3091 | 240 | 0.330 | 0.320 | 0.010 | 4557 | 4650 | 12.5 | 178.0 |
Fsq | 2588 | 2413 | 175 | 0.250 | 0.240 | 0.008 | 4740 | 5159 | 17.0 | 116.0 |
SSB (2025) = Blim | 5556 | 5119 | 437 | 0.630 | 0.610 | 0.020 | 3973 | 3293 | -1.9 | 360.0 |
SSB (2025) = Bpa | 3443 | 3191 | 252 | 0.340 | 0.330 | 0.011 | 4525 | 4576 | 11.7 | 187.0 |
SSB (2025) = MSY Btrigger | 3443 | 3191 | 252 | 0.340 | 0.330 | 0.011 | 4525 | 4576 | 11.7 | 187.0 |
Rollover advice | 1198 | 1120 | 78 | 0.108 | 0.104 | 0.004 | 5082 | 6332 | 25.0 | 0.0 |
Fmsy | 1770 | 1650 | 120 | 0.163 | 0.158 | 0.005 | 4941 | 5769 | 22.0 | 48.0 |
FMSY upper | 2345 | 2186 | 159 | 0.220 | 0.220 | 0.007 | 4799 | 5336 | 18.5 | 96.0 |
FMSY lower | 1233 | 1153 | 80 | 0.111 | 0.107 | 0.004 | 5073 | 6198 | 25.0 | 2.9 |