Advice and Scenarios Database



Seabass (Dicentrarchus labrax) in divisions 8.a-b (northern and central Bay of Biscay)
StockCode
bss.27.8ab
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13045
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4757






Catch scenarios


Basis
Total catch^
Commercial landings*
Recreational removals*
Total F
F* commercial landings
F* recreational removals
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 × SSB2020/MSY Btrigger 2533 1914 619 0.117 0.089 0.028 15308 -3.9 1.5
F =MAP (SSB2020/MSY Btrigger) × FMSY lower 2417 1827 590 0.111 0.085 0.026 15397 -3.4 -3.1
F = MAP F (SSB2020/MSYBtrigger) × FMSYupper 3075 2323 752 0.144 0.11 0.034 14891 -6.6 23.2
Other scenarios
MSY approach = (SSB2020/MSYBtrigger) × FMSY 2533 1914 619 0.117 0.089 0.028 15308 -3.9 1.5
MSY approach = FMSY 2645 1999 646 0.123 0.093 0.029 15221 -4.5 6
F = 0 0 0 0 0 0 0 17274 8.4 -100
F = Fpa 2645 1999 646 0.123 0.093 0.029 15221 -4.5 6
F = Flim 3619 2734 885 0.172 0.131 0.041 14473 -9.2 45
SSB2021 = Blim 6994 5279 1715 0.362 0.276 0.086 11920 -25.2 180.3
SSB2021 = Bpa 751 567 183 0.033 0.025 0.008 16688 4.7 -69.9
SSB2021 = MSYBtrigger 751 567 183 0.033 0.025 0.008 16688 4.7 -69.9
F = F2018 = Fsq 2620 1980 640 0.121 0.092 0.029 15241 -4.4 5
FMSYlower 2525 1908 617 0.117 0.089 0.028 15314 -3.9 1.2
FMSYupper 3210 2425 785 0.151 0.115 0.036 14787 -7.2 28.6




Symbol Footnotes
* The split of commercial landings and recreational removals, and F, in the short-term forecast is based on the proportion observed in 2018.
# MAP multiannual plan (EU, 2019).
^ Includes commercial landings and recreational removals.
^^ SSB 2021 relative to SSB 2020.
^^^ Advice value 2020 relative to advice value 2019.