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
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18364
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21856554.v1






Catch scenarios


Basis
Total catch
F
SSB
% SSB change*
% catch change**
% advice change***
2024 2024 2025 2025 2025 2025
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
Long-term management strategy: F = Fmgt 1529754 0.32 7258384 6.7 -8.5 12.5
Other scenarios
MSY approach:FMSY 1529754 0.32 7258384 6.7 -8.5 12.5
F=0 0 0 8709263 28 -100 -100
Fpa 1529754 0.32 7258384 6.7 -8.5 12.5
Flim 3507334 0.88 5411744 -20 110 158
SSB2025=Blim^ 7997215 4.5 1500006 -78 378 488
SSB2025=Bpa=MSYBtrigger ^ 7066101 3.04 2250000 -67 323 420
F=F2023 2306302 0.52 6528681 -4 38 70
SSB2025=SSB2024^ 2016931 0.44 6799982 0 21 48
Catch2024=catch2023 ^ 1672363 0.35 7123994 4.8 0 23
Catch2024=catch2023 -20% 1337926 0.28 7439411 9.4 -20 -1.6
Catch2024=catch2023 +25% 2090423 0.46 6731007 -1 25 54
Catch2024=advice2023 -20% 1087653 0.22 7676013 12.9 -35 -20
Catch2024=advice2023 +25% 1699525 0.36 7098416 4.4 1.6 25




Symbol Footnotes
* SSB 2025 relative to SSB 2024.
** Catch 2024 relative to expected catch in 2023 (1672378tonnes).
*** Catch 2024 relative to advice for 2023 (1359629tonnes).
^ SSB2025 and Catch2024 values are the closest available approximation to either Blim, Bpa, Btrigger, SSB2024, or target catches.