Advice and Scenarios Database



Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
StockCode
her.27.nirs
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17308
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19448006.v1






Catch scenarios


Basis
Total catch
F4–6
SSB*
SSB*, ^
% SSB change**
% advice change^^
2023 2023 2023 2024 2024 2024
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 7309 0.266 23076 22204 -7 -14
Other scenarios
F=0 0 0 28552 32681 16 -100
Fpa 10359 0.397 20797 18480 -16 23
Flim 8346 0.309 22301 20895 -10 -1
F=Fsq 7748 0.284 22748 21952 -8 -8
SSB (2023)=Blim 27238 1.567 8500 11655 -66 222
SSB (2023)=Bpa 22529 1.124 11831 14294 -52 166
SSB (2023)=MSYBtrigger 22529 1.124 11831 14294 -52 166




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 2023 relative to SSB 2022.
^ Assuming same catch scenario in 2024 as in 2023.
^^ Advice value for 2023 relative to the advice/TAC value for 2022 (8455 tonnes).