Advice and Scenarios Database



Turbot (Scophthalmus maximus) in Subarea 4 (North Sea)
StockCode
tur.27.4
Assessment Year
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18654
Link to Advice Sheet
NA - The advice link for key 18654 was not found!






Catch scenarios


Basis
Total catch*
Projected landings
Projected discards **
Fprojected landings (ages 2–6)
SSB
SSB change^
Advice change^^
TAC change ^^^
2025 2025 2025 2025 2026 2026 2025 2025
(t) (t) (t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY 2426 2284 142 0.361 7150 -1 18.2 18.2
Other scenarios
FMSY upper 3068 2888 180 0.482 6543 -9.4 50 50
FMSY lower 1781 1678 104 0.252 7767 7.5 -13 -13
F = 0 0 0 0 0 9500 32 -100 -100
Fpa 4658 4385 273 0.856 5071 -30 127 127
F = F2024 2088 1965 122 0.3 7473 3.5 1.8 1.8
SSB (2026) = Blim 7069 6654 414 1.82 2974 -59 240 240
SSB (2026) = Bpa 5674 5341 333 1.18 4163 -42 177 177
SSB (2026) = MSYBtrigger 3270 3078 192 0.52 6353 -12.1 -59 -59
Rollover advice 2052 1932 120 0.3 7507 3.9 0 0




Symbol Footnotes
* (Projected landings)/(1–average discard rate); average discard rate by weight 2021–2023=5.9%.
** Including below minimum size (BMS) landings. Assuming average discard rate by weight 2021–2023=5.9%.
^ SSB 2026 relative to SSB 2025.
^^ Advice value for 2025 relative to the advice value for 2024 (2052 tonnes).
^^^ Total advised catch in 2025 (2426 tonnes) relative to the agreed EU-UK approach to catch limit setting in 2024 (2052 tonnes, comprising the sum of the agreed EU-UK TACs in 2024 (2038 tonnes) divided by 0.9933, following the EU-UK approach to projection of third-country catches (EU, 2023).