Advice and Scenarios Database



Herring (Clupea harengus) in Subdivision 28.1 (Gulf of Riga)
StockCode
her.27.28
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18170
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21820512.v1






Catch scenarios


Basis
Total catch (2024)
F (2024)
SSB (2024)
SSB (2025)
% SSB change **
% Advice change ***
2024 2024 2024 2025 2025 2025
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
EU MAP*: FMSY 35902 0.28 131236 126108 -3.9 -17
EU MAP*: MAP range Flower 27696 0.21 133105 134969 1.4 -17
EU MAP*: MAP range Fupper 41370 0.33 130033 120453 -7.4 -17
Other scenarios
F=0 0 0 138263 165744 20 -100
F=Fpa 43455 0.35 129594 118190 -8.8 0.53
F=Flim 57266 0.49 126176 103935 -18 32
SSB (2025)=SSB (2024) 29999 0.23 132571 132571 0 -31
SSB (2025)=Blim 113815 1.35 108611 52076 -52 163
SSB (2025)=Bpa = MSY Btrigger 90410 0.92 116951 72907 -38 109
F=F2023 39756 0.32 130443 122883 -5.8 -8




Symbol Footnotes
* MAP (EU, 2016, 2019, 2020).
** SSB 2025 relative to SSB 2024.
*** Total catch in 2024 relative to ICES advice for 2023 (43226tonnes for the Gulf of Riga herring stock).
^ ICES advice for Flower for 2024 relative to ICES advice for EU MAP range Flower for 2023 (33519 tonnes).
^^ ICES advice for Fupper for 2024 relative to ICES advice for EU MAP range Fupper for 2023 (50079tonnes).