Advice and Scenarios Database



Cod (Gadus morhua) in Division 6.a (West of Scotland)
StockCode
cod.27.6a
Assessment Year
2022
Stock Category
1.2
Purpose
Advice
Published
Stock Assessment Key
17399






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
Fprojected landings
Fprojected discards
SSB
% SSB change*
% TAC change^
2023 2023 2023 2023 2023 2023 2024 2024 2024
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: F = 0 0 0 0 0 0 0 4728 62 -100
Other scenarios
FMSY × SSB (2023)/MSYBtrigger 133 99 34 0.043 0.033 0.01 4569 56 -90
FMSY lower × SSB (2023)/MSYBtrigger 80 60 20 0.026 0.02 0.006 4632 58 -94
FMSY upper × SSB (2023)/MSYBtrigger 214 159 55 0.071 0.055 0.016 4472 53 -83
F = FMSY lower 514 380 134 0.18 0.139 0.041 4113 41 -60
F = FMSY 809 594 215 0.3 0.23 0.069 3757 29 -37
F = Fpa 1359 985 374 0.57 0.44 0.13 3099 6 6.3
F = FMSY upper 1210 881 329 0.49 0.38 0.112 3278 12.1 -5.4
F = F2022 1642 1181 461 0.74 0.57 0.17 2760 -5.6 28
F = Flim 1625 1169 456 0.73 0.56 0.167 2781 -4.9 27
TAC(2022) 1279 929 350 0.53 0.41 0.12 3196 9.3 0
TAC(2022) – 25% 959 703 256 0.37 0.28 0.084 3577 22 -25
SSB(2024) = SSB(2023) 1507 1088 419 0.66 0.51 0.15 2923 0 17.8
SSB(2024) = 1.2 × SSB(2023) 1017 744 273 0.39 0.3 0.09 3510 20 -20
SSB (2024) = Blim**
SSB(2024) = Bpa = MSYBtrigger**




Symbol Footnotes
* SSB 2024 relative to SSB 2023.
** The Blim, Bpa, and MSY Btrigger options were left blank because none of the three can be achieved in 2024, even with zero catches.
^ Total catch in 2023 relative to the TAC in 2022 (1279 tonnes).