Advice and Scenarios Database



Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
StockCode
her.27.nirs
Assessment Year
2023
Stock Category
1
Purpose
Replaced
Published
Stock Assessment Key
18347
Link to Advice Sheet
NA - The advice link for key 18347 was not found!






Catch scenarios


Basis
Total catch
F2-4
SSB*
SSB*, ^
% SSB change**
% advice change^^
2024 2024 2024 2025 2025 2025
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 5820 0.35 12378 11378 33 -20
Other scenarios
F=0 0 0 16685 20083 79 -100
F=Fpa=FMSY 5820 0.35 12378 11378 33 -20
F=Flim 7150 0.45 11294 9830 21 -2.2
F=Fsq 7609 0.487 10939 9305 17 -14.9
SSB (2024)=Blim 14255 1.208 6080 3780 -35 95
SSB (2024)=Bpa 10118 0.712 9064 6846 -2.8 38.4
SSB (2024)= MSYBtrigger 7266 0.459 11208 9705 20 -0.57




Symbol Footnotes
* For autumn-spawning stocks, the SSB is influenced by fisheries between 1January and spawning (set for September).
** SSB 2024 relative to SSB 2023.
^ Assuming same catch scenario in 2025 as in 2024.
^^ Advice value for 2024 relative to the advice value for 2023 (7309tonnes).