Advice and Scenarios Database



Plaice (Pleuronectes platessa) in Division 7.a (Irish Sea)
StockCode
ple.27.7a
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18226






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^
2024 2024 2024 2024 2024 2024 2024 2024 2025 2025 2024
(t) (t) (t) (t) (t) (ratio) (t) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: F= FMSY 1902 769 453 680 1133 0.196 0.055 0.141 10054 -5 -6.7
Other scenarios
F= FMSY lower 1323 535 315 473 788 0.133 0.037 0.096 10526 -0.53 -35
F= FMSY upper 2748 1111 655 982 1637 0.29 0.082 0.21 9404 -11.1 35
F= Fpa 3623 1465 863 1295 2158 0.4 0.112 0.29 8674 -18 78
F=0 0 0 0 0 0 0 0 0 11538 9 -100
F=Flim 4308 1742 1026 1540 2566 0.5 0.138 0.36 8196 -23 111
SSB2025=Blim 12607 5099 3003 4505 7508 3 0.84 2.2 2064 -80 520
SSB2025=Bpa 8330 3369 1985 2977 4961 1.23 0.34 0.88 5294 -50 310
SSB2025 = MSYBtrigger 3539 1431 843 1265 2108 0.39 0.109 0.28 8757 -17.3 74
Rollover advice 2039 825 486 729 1214 0.21 0.059 0.152 9962 -5.9 0
F=F2023 720 291 172 257 429 0.071 0.0197 0.051 10976 3.7 -65
SSB2025 = SSB2024 1242 502 296 444 740 0.125 0.035 0.09 10583 0 -39




Symbol Footnotes
* Dead + surviving projected discards
** Fprojected discards concerns dead projected discards only
*** SSB 2025 relative to SSB 2024
^ Advice value for 2024 relative to the advice value for 2023 (2039 tonnes)