Advice and Scenarios Database



Megrim (Lepidorhombus whiffiagonis) in divisions 7.b-k, 8.a-b, and 8.d (west and southwest of Ireland, Bay of Biscay)
StockCode (Assessment Component)
meg.27.7b-k8abd
Assessment Year
2022
Stock Category
1
Purpose
Replaced
Published
Stock Assessment Key
17629
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19448057






Catch scenarios


Basis
Total catch
Projected landings*
Projected discards**
Fages 3–6 Total
SSB
% SSB change***
% advice change^
2023 2023 2023 2023 2024 2024 2023
(t) (t) (t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 24176 20782 3395 0.23 92640 -6 5.3
Other scenarios
EU MAP^^ = FMSY 24176 20782 3395 0.23 92640 -6 5.3
F = MAP^^ FMSYlower 15475 13315 2160 0.14 101774 3.3 -33
F = MAP^^ FMSYupper 39116 33558 5558 0.41 77093 -22 70
F = 0 0 0 0 0 118131 19.9 -100
Fpa 40597 34821 5776 0.43 75563 -23 77
Flim 51395 44007 7388 0.59 64481 -35 124
SSB (2024) = Blim 80715 68641 12074 1.25 35398 -64 252
SSB (2024) = Bpa 75471 64282 11189 1.2 40444 -59 229
SSB (2024) = MSYBtrigger 75471 64282 11189 1.2 40444 -59 229
SSB (2024) = SSB (2023) 18563 15967 2596 0.171 98527 0 -19.2
F = F2022 20437 17575 2862 0.19 96559 -2 -11




Symbol Footnotes
* Marketable landings, assuming recent discard rate.
** Including BMS landings (EU stocks), assuming recent discard rate.
*** SSB 2024 relative to SSB 2023.
^ Advice value for 2023 relative to advice value for 2022 (22 964 tonnes).
^^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).