Advice and Scenarios Database



Sole (Solea solea) in divisions 8.a-b (northern and central Bay of Biscay)
StockCode
sol.27.8ab
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
9956
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4467






Catch scenarios


Basis
Total catch*
Wanted catch**
Unwanted catch**
Fwanted
SSB
% SSB change^
% TAC change^^
% Advice change^^^
2019 2019 2019 2019 2020 2020 2020 2020
(t) (t) (t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY 3967 3872 95 0.33 15356 7.3 9.6 6.5
Other scenarios
F = 0 0 0 0 0 19822 39 -100 -100
Fpa 4942 4824 118 0.43 14263 -0.33 36 33
Flim 6405 6252 153 0.6 12630 -11.7 77 72
SSB (2020) = Blim 10905 10644 261 1.11 7600 -47 201 193
SSB (2020) = Bpa = MSYBtrigger[1] 8228 8032 197 0.84 10600 -26 127 121
F = F2018 3967 3872 95 0.33 15356 7.3 10 6.5
Wanted catch equal to 2018 TAC 3710 3621 89 0.31 15645 9.3 2.5 -0.4
Total catch equal to 2018 TAC 3621 3534 87 0.3 15745 10 0 -2.8
F = FMSY lower 2318 2263 55 0.18 17209 20 -36 -38
F = FMSY upper 5485 5354 131 0.49 13657 -4.6 51 47




Symbol Footnotes
* Total catch is calculated based on wanted catch (fish that would be landed in the absence of the EU landing obligation) and the assumed unwanted catch ratio (2.4%).
** “Wanted” and “unwanted” catch are used to describe fish that would be landed and discarded in the absence of the EU landing obligation, based on the average discard rate estimate of 2015–2017 (2.4%).
^ SSB 2020 relative to SSB 2019.
^^ Total catch in 2019 relative to TAC in 2018 (3621 tonnes).
^^^ Advice value for 2019 relative to advice value for 2018 (3725 tonnes).