Advice and Scenarios Database



Blue whiting (Micromesistius poutassou) in subareas 1-9, 12, and 14 (Northeast Atlantic and adjacent waters)
StockCode
whb.27.1-91214
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
10099
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4536






Catch scenarios


Basis
Total catch
Ftotal
SSB
% SSB change*
% Catch change**
% Advice change***
2019 2019 2020 2020 2020 2020
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
Long-term management strategy (F = FMSY) 1143629 0.32 3752236 -13 -33 -18
Other scenarios
MSY approach: FMSY 1143629 0.32 3752236 -13 -33 -18
F = 0 0 0 4850444 12 -100 -100
Fpa 1725357 0.53 3201021 -26 1 24
Flim 2476742 0.88 2499796 -42 45 79
SSB (2020) = Blim 3587714 1.75 1500171 -65 110 159
SSB (2020) = Bpa 2747920 1.04 2250714 -48 60 98
SSB (2020) = MSYBtrigger 2747920 1.04 2250714 -48 60 98
F = F2018 1528542 0.45 3386825 -22 -11 10
SSB(2020) = SSB (2019) 544778 0.14 4325259 0 -68 -61
Catch(2019) = Catch (2018) 1712874 0.53 3212778 -26 0 23
Catch (2019) = Catch (2018) -20 % 1370342 0.4 3536701 -18 -20 -1
Catch (2019) = Advice (2018) -20 % 1109872 0.31 3784400 -13 -35 -20




Symbol Footnotes
* SSB 2020 relative to SSB 2019.
** Catch in 2019 relative to catch in 2018 (1 712 874t, ICES estimate).
*** Advice value for 2019 relative to advice value for 2018.