Advice and Scenarios Database



Cod in Subarea 4, divisions 6.a and 7.d, and Subdivision 20 (North Sea, West of Scotland, eastern English Channel and Skagerrak)
StockCode (Assessment Component)
cod.27.46a7d20 (Northwestern Substock)
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18283
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27874953.v1






Catch scenarios


Basis
Total catch
Ftotal (ages 2–4)^
SSB^
% SSB change**
2024 2024 2025 2025
(t) (ratio) (t) (%)
ICES Basis Advice
Precautionary considerations: F(2023, Northwestern) × 0.33* 10077 0.106 73635 33
Other scenarios
FMSY 17480 0.196 65146 17.4
FMSY lower 11392 0.121 72246 30
FMSY upper 27315 0.336 54374 -1.97
F = 0 0 0 85490 54
Fpa 39004 0.544 41882 -24
SSB (2025) = Blim 49927 0.81 30528 -45
SSB (2025) = MSY Btrigger = Bpa 38639 0.54 42328 -24
F = F2023 26500 0.32 55209 -0.47
SSB(2025)=SSB(2024) 24721 0.3 57288 3.3




Symbol Footnotes
* F(2023, Northwestern) × 0.33 = F(2023, Northwestern) × (FMSY(Southern) × (SSB[2024, Southern]/MSY Btrigger[Southern])/F(2023, Southern))
** SSB 2025 relative to SSB 2024 (55 468 t).
^ Any differences between values in this table and other values in the advice sheet are due to stochasticity in the projections.