Advice and Scenarios Database



Seabass (Dicentrarchus labrax) in divisions 4.b-c, 7.a, and 7.d-h (central and southern North Sea, Irish Sea, English Channel, Bristol Channel, and Celtic Sea)
StockCode
bss.27.4bc7ad-h
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18142
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21840747.v1






Catch scenarios


Basis
Total removals*
Ftotal
SSB
% SSB change**
% advice change ***
2024 2024 2025 2025 2025
(t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: F = FMSY × SSB2024/MSY Btrigger 2432 0.154 11975 -7.7 -4.3
Other scenarios
EU MAP^: FMSY×SSB2024/MSYBtrigger 2432 0.154 11975 -7.7 -4.3
EU MAP^: FMSYupper×SSB2024/MSYBtrigger 2432 0.154 11975 -7.7 -4.3
EU MAP^: FMSYlower×SSB2024/MSYBtrigger 2042 0.128 12304 -5.2 -19.7
F=FMSYlower 2256 0.142 12124 -6.6 -11.2
F=FMSYupper 2683 0.171 11764 -9.4 5.5
F=FMSY 2683 0.171 11764 -9.4 5.5
F=0 0 0 14040 8.2 -100
Fpa 3132 0.2 11387 -12.3 23
Flim 3825 0.25 10807 -16.7 51
SSB2025=Blim 4418 0.3 10313 -21 74
SSB2025=Bpa^^
SSB2025=MSYBtrigger^^
F=F2023 1698 0.105 12595 -3 -33
SSB2025=SSB2024 1247 0.076 12978 0 -51




Symbol Footnotes
* Includes commercial catch and recreational removals (taking mortality of released fish into account, estimated at approximately 5%).
** SSB 2025 relative to SSB 2024.
*** Advice value for 2024 relative to the MSY value for 2023 (2542tonnes).
^ MAP multiannual plan (EU, 2019).
^^ The Bpa and MSYBtrigger options were left blank because Bpa and MSYBtrigger cannot be achieved in 2025, even with zero catch.