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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16735
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7789






Catch scenarios


Basis
Total catch
Fages 4–8
SSB at spawning time
SSB at spawning time
% change SSB*
% change Catch**
% change Advice***
2022 2022–2023 2022 2023 2023 2023 2023
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: F = FMSY 794920 0.26 3307739 3269273 -1 -34 -7
Other scenarios
Catch (2022) = zero 0 0 3479949 4056937 17 -100 -100
Catch (2022) = 2021 catch -20% 959282 0.32 3268490 3113212 -5 -20 13
Catch (2022) = 2021 catch 1199103 0.42 3208545 2889918 -10 0 41
Catch (2022) = 2021 catch +25% 1498879 0.55 3128589 2618418 -16 25 76
Fbar (2022) = Fbar (2021) 1041030 0.35 3248428 3036502 -7 -13 22
Fbar (2022) = 0.36 (Fpa) 1057002 0.36 3244464 3021586 -7 -12 24
Fbar (2022) = 0.46 (Flim) 1298209 0.46 3182766 2799209 -12 8 52
SSB (2023) = Blim 2220349 0.94 2907210 2001890 -31 85 161
SSB (2023) = Bpa 1541696 0.57 3116665 2580350 -17 29 81




Symbol Footnotes
* SSB 2023 relative to SSB 2022.
** Catch in 2022 relative to estimated catches in 2021 (1 199 103 tonnes). There is no internationally agreed TAC for 2021.
*** Advice value for 2022 relative to the advice value for 2021 (852 284 tonnes).