Advice and Scenarios Database



Megrim (Lepidorhombus whiffiagonis) in divisions 8.c and 9.a (Cantabrian Sea and Atlantic Iberian waters)
StockCode
meg.27.8c9a
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
12956
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4764






Catch scenarios


Basis
Total catch
Wanted catch
Unwanted catch
Ftotal
Flandings
Fdiscards
SSB
% SSB change*
% Advice change**
2020 2020 2020 2020 2020 2020 2021 2021 2021
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
EU MAP^: FMSY 534 520 14 0.191 0.178 0.013 2330 -7 24
F = MAP FMSY lower 357 347 9 0.122 0.113 0.008 2542 1 -17
F = MAP FMSY upper 648 631 17 0.24 0.22 0.017 2195 -12 50
Other scenarios
MSY approach = FMSY 534 520 14 0.191 0.178 0.013 2330 -7 24
F = 0 0 0 0 0 0 0 2966 18 -100
Fpa 823 801 23 0.32 0.3 0.022 1990 -21 91
Flim 1110 1079 31 0.45 0.42 0.031 1650 -34 158
SSB (2021) = Blim 1910 1858 53 0.78 0.72 0.054 700 -72 343
SSB (2021) = Bpa 1674 1628 46 0.68 0.63 0.047 980 -61 289
SSB (2021) = MSYBtrigger 1674 1628 46 0.68 0.63 0.047 980 -61 289
F = F2019 536 522 14 0.192 0.178 0.013 2328 -7 24




Symbol Footnotes
* SSB 2021 relative to SSB 2020.
** Catch advice value 2020 relative to catch advice value 2019 (431 tonnes).
^ MAP multiannual plan (EU, 2019).