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
https://doi.org/10.17895/ices.advice.23608098.v1






Catch scenarios


Basis
Total catch (2024)
F4–6 (2024)
SSB* (2024)
SSB*, ^ (2025)
% SSB change**
% advice change^^
2024 2024 2024 2025 2024 2024
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 7279 0.266 24273 23563 -5 -0.4
Other scenarios
F=0 0 0 29727 33911 16 -100
Fpa 8318 0.309 23495 22252 8 14
Flim 10337 0.397 21985 19820 -14 41
F=Fsq 6581 0.238 24795 24467 -3 -10
SSB (2024)=Blim 28800 1.705 8500 11693 -67 294
SSB (2024)=Bpa 24096 1.238 11831 14290 -54 229
SSB (2024)=MSYBtrigger 24096 1.238 11831 14290 -54 229




Symbol Footnotes
* For autumn-spawning stocks, the SSB is determined at spawning time and is influenced by fisheries between 1 January 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 (7309 tonnes).