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
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17248
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19448003.v1






Catch scenarios


Basis
Total catch
F2–5
SSB*
% SSB change**
SSB*#
% TAC change***
% advice change^
2023 2023 2023 2023 2024 2024 2024
(t) (ratio) (t) (%) (t) (%) (%)
ICES Basis Advice
MSY approach: zero catch 0 0 22746 17.6 25875 -100
Other scenarios
FMSY 4475 0.26 20454 5.7 20049 415
FMSY×SSB2022/MSYBtrigger 1725 0.093 21891 13.1 23546 98.5
F=0 0 0 22746 17.6 25875 -100
Fpa 4475 0.26 20454 5.7 20049 415
Flim 7150 0.45 18953 -2 16914 722.8
SSB2023=Blim^^
SSB2023=Bpa^^
SSB2023=MSYBtrigger^^
F=F2022 1091 0.058 22209 14.8 24390 25.5
TAC=monitoring TAC 869 0.046 22319 15.3 24746 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 2023 relative to SSB 2022.
*** Total catch in 2023 relative to the advised monitoring TAC in 2022 (869 tonnes).
# Assuming the same catch scenario in 2024 as in 2023.
^ Advice value for 2023 relative to the advice value for 2022 (0 tonnes).
^^ These catch scenarios are left blank because the stated SSB cannot be achieved, even with F = 0.