Advice and Scenarios Database



Haddock (Melanogrammus aeglefinus) in divisions 7.b-k (southern Celtic Seas and English Channel)
StockCode
had.27.7b-k
Assessment Year
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
14572






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
Fprojected landings
Fprojected discards
SSB
% SSB change*
% advice change^
2022 2022 2022 2022 2022 2022 2023 2023 2023
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 15946 11885 4061 0.35 0.28 0.074 56747 -9.1 -13.3
Other scenarios
EU MAP ^^: FMSY 15946 11885 4061 0.35 0.28 0.074 56747 -9.1 -13.3
F = MAP^^ FMSYlower 10570 7919 2651 0.22 0.174 0.047 62704 0.43 -43
F = MAP^^ FMSYupper 21988 16253 5735 0.52 0.41 0.11 50276 -19.5 19.6
F = 0 0 0 0 0 0 0 74566 19 -100
Fpa 27740 20328 7412 0.71 0.56 0.149 44324 -29 51
Flim 42885 30770 12115 1.4 1.11 0.3 28835 -54 133
SSB2023 = Blim** 65099 43929 21170 4.03 3.18 0.85 9227 -85 254
SSB2023 = Bpa = MSYBtrigger** 60370 41496 18874 3.1 2.45 0.65 12822 -80 228
F = F2021 14464 10797 3667 0.32 0.25 0.07 58367 -6.5 -21
SSB2023 = SSB2022 10818 8105 2713 0.227 0.179 0.048 62437 0 -41




Symbol Footnotes
* SSB2023 forecast relative to SSB2022.
** Numbers presented are estimations of the reference values, in SSB (2023) column
^ Advice values for 2022 relative to the MSY value for 2021 (18 382 tonnes).
^^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).