Advice and Scenarios Database



Herring (Clupea harengus) in divisions 7.a South of 52°30’N, 7.g-h, and 7.j-k (Irish Sea, Celtic Sea, and southwest of Ireland)
StockCode
her.27.irls
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17734
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21907962.v1






Catch scenarios


Basis
Total Catch
F 2-5
SSB
% SSB change**
SSB
% TAC change***
% advice change^
2024 2024 2024 2023 2025 2023 2023
(t) (ratio) (t) (%) (t) (%) (%)
ICES Basis Advice
MSY approach: zero catch 0 0 23998 8.4 25850 -100 0
Other scenarios
FMSY 4927 0.26 21454 -3.1 19677 467
FMSY×SSB2023/MSYBtrigger 2171 0.11 22911 3.4 23035 149.8
F=0 0 0 23998 8.4 25850 -100
Fpa 4927 0.26 21454 -3.1 19677 467
Flim 7858 0.45 19791 -10.6 16382 804.2
SSB2024=Blim^^
SSB2024=Bpa^^
SSB2024=MSYBtrigger^^
F=F2023 1000 0.048 23504 6.1 24535 15.1
TAC=monitoring TAC 869 0.042 23569 6.4 24728 0




Symbol Footnotes
* For this autumn- and winter-spawning stock, the SSB is determined at spawning time and is influenced by fisheries between 1 April and spawning (October).
** SSB 2024 relative to SSB 2023.
*** Total catch in 2024 relative to the advised monitoring TAC in 2023 (869 tonnes).
# Assuming the same catch scenario in 2025 as in 2024.
^ Advice value for 2024 relative to the advice value for 2023 (0 tonnes).
^^ These catch scenarios are left blank because the stated SSB cannot be achieved, even with F = 0.