Advice and Scenarios Database



Mackerel (Scomber scombrus) in subareas 1-8 and 14 and Division 9.a (the Northeast Atlantic and adjacent waters)
StockCode
mac.27.nea
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17509
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19772392.v1






Catch scenarios


Basis
Total catch
Fages 4–8
SSB at spawning time
SSB at spawning time
% change SSB*
% change Catch**
% change Advice***
2023 2023-2024 2023 2024 2024 2024 2024
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: F = FMSY 782066 0.26 3676187 3649119 -1 -31 -2
Other scenarios
F = 0 0 0 3834187 4442903 0.16 -100 -100
Catch2023 = catch2022 - 20% 905133 0.31 3649147 3494839 -4 -20 0.14
Catch2023 = catch2022 1131416 0.4 3597636 3333051 -7 0 0.42
Catch2023 = catch2022 + 25% 1414270 0.52 3529667 3131128 -11 0.25 0.78
F = F2022 1046177 0.36 3617323 3393970 -6 -8 0.32
Fpa 1042720 0.36 3618114 3397266 -6 -8 0.31
Flim 1284085 0.46 3561472 3169986 -11 0.13 0.62
SSB2024 = Blim 2654020 1.23 3168962 1995707 -37 1.35 2.34
SSB2024 = Bpa^ 1945604 0.78 3389356 2577596 -24 0.72 1.45




Symbol Footnotes
* SSB 2024 relative to SSB 2023.
** Catch in 2023 relative to estimated catches in 2022 (1 131 416 tonnes). There is no internationally agreed TAC for 2022.
*** Advice value for 2023 relative to the advice value for 2022 (794 920 tonnes).
^ SSB2024 values are the closest available approximation to Blim and Bpa.