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
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
19119
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019297.v1






Catch scenarios


Basis
Total catch
F2-5
SSB*
% SSB change**
SSB* #
% TAC change***
% advice change^
2025 2025 2025 2024 2026 2024 2024
(t) (ratio) (t) (%) (t) (%) (%)
ICES Basis Advice
MSY approach: zero catch 0 0 21024 0.04 21215 100
Other scenarios
FMSY 4756 0.26 18688 -11.1 15779 447
FMSY x SSB2024/MSYBtrigger 1988 0.1 20080 -4.5 18857 128.8
F=0 0 0 21024 0.04 21215 -100
Fpa 4756 0.26 18688 -11.1 15779 447
Flim 7573 0.45 17165 -18.3 12902 771.5
SSB2025=Blim^^
SSB2025=Bpa^^
SSB2024=MSYBtrigger^^
F=F2024 919 0.046 20593 -2 20110 5.8
TAC=monitoring TAC 869 0.043 20616 -1.9 20152 0




Symbol Footnotes
* For this autumn- and winter-spawning stock, the SSB is determined at spawning time (October) and is influenced by fisheries between 01 April and spawning.
** SSB 2025 relative to SSB 2024.
*** Total catch in 2025 relative to the advised monitoring TAC in 2024 (869 tonnes).
# Assuming the same catch scenario in 2026 as in 2025.
^ This is not provided because catch advice for 2024 is zero.
^^ These catch scenarios are left blank because the stated SSB cannot be achieved, even with F = 0.