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
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18719






Catch scenarios


Basis
Total catch (2025)
Ftotal (ages 2–4)^
SSB (2026)^
% SSB change**
% advice change***
2025 2025 2026 2026 2025
(t) (ratio) (t) (%) (%)
ICES Basis Advice
Precautionary considerations: F(2024, Northwestern) × 0.35* 9920 0.111 68145 23 -1.56
Other scenarios
FMSY 16280 0.196 60277 8.5 62
FMSY lower 10591 0.121 67124 21 5.1
FMSY upper 25275 0.335 49849 -10.3 151
F = 0 0 0 79691 43 -100
Fpa 35980 0.544 38189 -31 260
SSB (2026) = Blim 44343 0.77 29285 -47 340
SSB (2026) = MSY Btrigger = Bpa 33838 0.5 40742 -27 240
F = F2024 24436 0.32 51569 -7.2 142
SSB(2026)=SSB(2025) 20662 0.26 55312 -0.46 105




Symbol Footnotes
* F(2024, Northwestern) × 0.35 = F(2024, Northwestern) × (FMSY(Southern) × (SSB[2025, Southern]/MSY Btrigger[Southern])/F(2024, Southern))
** SSB 2026 relative to SSB 2025 (55 567 t).
*** Advice value for 2025 relative to the corresponding advice value for 2024 (10 077 t).
^ Any differences between values in this table and other values in the advice sheet are due to stochasticity in the projections.