Advice and Scenarios Database



Plaice (Pleuronectes platessa) in Division 7.a (Irish Sea)
StockCode
ple.27.7a
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17283






Catch scenarios


Basis
Total catch
Projected landings
Projected Surviving discards
Projected dead discards
Total projected discards*
Ftotal
Fprojected landings
Fprojected discards**
SSB
% SSB change***
% advice change^
2023 2023 2023 2023 2023 2023 2023 2023 2024 2024 2024
(t) (t) (t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: F= FMSY 2039 967 429 643 1072 0.196 0.061 0.135 12629 -6.5 -30
Other scenarios
F= FMSY lower 1418 672 298 447 745 0.133 0.042 0.091 13169 -2.5 -52
F= FMSY upper 2945 1397 620 929 1549 0.29 0.091 0.2 11901 -11.9 0.7
F= Fpa 3903 1851 821 1231 2052 0.4 0.126 0.28 11089 -17.9 33
F=0 0 0 0 0 0 0 0 0 14305 5.9 -100
F=Flim 4649 2205 978 1467 2445 0.5 0.155 0.34 10468 -23 59
SSB2024=Blim 13047 6187 2744 4116 6860 2.33 0.73 1.6 3958 -71 350
SSB2024=Bpa 11370 5391 2391 3587 5978 1.75 0.55 1.21 5294 -61 290
SSB2024 = MSYBtrigger 6895 3269 1450 2175 3625 0.81 0.25 0.56 8757 -35 140
Rollover advice 2925 1387 615 923 1538 0.29 0.091 0.2 11913 -11.8 0
F=F2022 696 330 146 220 366 0.064 0.02 0.044 13745 1.7 -76
SSB2024 = SSB2023 990 469 208 312 520 0.091 0.029 0.063 13514 0 -65




Symbol Footnotes
* Dead + surviving projected discards.
** Fprojected discards concerns dead projected discards only.
*** SSB 2024 relative to SSB 2023.
^ Advice value for 2023 relative to the revised advice value for 2022 (2925 tonnes).