Advice and Scenarios Database



Megrim (Lepidorhombus spp.) in divisions 4.a and 6.a (northern North Sea, West of Scotland)
StockCode
lez.27.4a6a
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17324
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19448042.v1






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Fishing mortality F2023/FMSY
Stock size B2024/BMSY
% B change*
% advice change^
2023 2023 2023 2023 2024 2024 2024
(t) (t) (t) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: F= FMSY 7200 6798 402 1 1.32 -13.6 -2
Other scenarios
EU MAP^^: FMSY 7200 6798 402 1 1.32 -13.6 -2
EU MAP^^ FMSY lower 5550 5240 310 0.76 1.41 -7.6 -24
EU MAP^^ FMSYupper 7200 6798 402 1 1.32 -13.6 -2
F=0 0 0 0 0 1.71 11.7 -100
B2024=Blim 26800 25302 1498 3.7 0.33 -79 264
B2024=Bpa=MSYBtrigger 13000 12273 727 1.8 1.01 -34 77
B2024=B2023 3500 3304 196 0.48 1.52 0 -52
F=F2022 3400 3210 190 0.52 1.52 0 -54




Symbol Footnotes
* Biomass 2024 relative to biomass 2023.
^ Advice value for 2023 relative to the advice value for 2022 (7350 tonnes).
^^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).