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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16754
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7883






Catch scenarios


Basis
Total catch
F
SSB
% SSB change*
% catch change**
% advice change***
2022 2022 2023 2023 2023 2023
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
Long-term management strategy F = FMSY 752736 0.32 4052163 19.1 -39.4 -19
Other scenarios
MSY approach: FMSY 752736 0.32 4052163 19.1 -39.4 -19
F = 0 0 0 4738902 39.2 -100 -100
Fpa 752736 0.32 4052163 19.1 -39.4 -19
Flim 1695700 0.88 3214818 -5.5 36.4 82.5
SSB2023 = Blim 3797974 3.93 1500000 -55.9 205.6 308.7
SSB2023 = Bpa 2838799 2.03 2250000 -33.9 128.4 205.5
SSB2023 = MSYBtrigger 2838799 2.03 2250000 -33.9 128.4 205.5
F = F2021 1113313 0.51 3728501 9.5 -10.4 19.8
SSB2023 = SSB2022 1479984 0.73 3403629 0 19.1 59.3
Catch2022 = Catch2021 1242727 0.58 3613292 6.2 0 33.7
Catch2022 = Catch2021 -20% 994181 0.44 3834987 12.7 -20 7
Catch2022 = Catch2021 +25% 1553409 0.78 3339158 -1.9 25 67.2
Catch2022 = Advice2021 -20% 743434 0.32 4060575 19.3 -40.2 -20




Symbol Footnotes
* SSB 2023 relative to SSB 2022.
** Catch 2022 relative to expected catch in 2021 (1 242 727 tonnes).
*** Catch 2022 relative to advice for 2021 (929 292 tonnes).