Advice and Scenarios Database



Haddock (Melanogrammus aeglefinus) in Division 7.a (Irish Sea)
StockCode
had.27.7a
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18110






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
F projected landings
F projected discards
SSB
% SSB change*
% advice change**
2024 2024 2024 2024 2024 2024 2025 2025 2024
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 2263 1807 456 0.28 0.162 0.118 7073 -28 -15
Other scenarios
EU MAP***: FMSY 2263 1807 456 0.28 0.162 0.118 7073 -28 -15
EUMAP***FMSYlower 1671 1338 333 0.2 0.116 0.084 7613 -23 -37
EUMAP***FMSYupper 2749 2191 558 0.35 0.2 0.147 6633 -33 3.8
F=0 0 0 0 0 0 0 9159 -7.4 -100
F=Fpa 3143 2500 643 0.41 0.24 0.172 6278 -37 19
F=Flim 3698 2934 764 0.5 0.29 0.21 5783 -42 40
SSB2025=Blim 6974 5413 1561 1.23 0.72 0.52 2994 -70 163
SSB2025=Bpa 5565 4367 1198 0.86 0.5 0.36 4160 -58 110
SSB2025=SSB2024^
SSB2025=MSYBtrigger 5422 4259 1163 0.83 0.48 0.35 4281 -57 105
F=F2023 1017 816 201 0.118 0.068 0.05 8214 -17 -62




Symbol Footnotes
* SSB 2025 relative to SSB 2024
** Advice value for 2024 relative to the FMSY advice value for 2023 (2648tonnes).
*** EU multiannual plan (MAP) for the Western Waters (EU, 2019).
^ The SSB2025 = SSB2024 option is left blank because it cannot be achieved in 2025 even with zero catches in 2024.