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
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
19137
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019339






Catch scenarios


Basis
Total catch
Fages4–8
Fages4–8
SSB at spawning time
SSB at spawning time
SSB change
Catch change
Advice change
2025 2025 2026 2025 2026 2026 2025 2025
(t) (ratio) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: F = FMSY 576958 0.26 0.26 2610364 2718914 0.042 -0.4 -0.22
Other scenarios
F = 0 0 0 0 2707211 3262198 0.21 -1 -1
Catch2025 = catch2024 - 20% 763290 0.36 0.36 2575293 2550243 -0.0097 -0.2 0.032
Catch2025 = catch2024 954112 0.47 0.47 2537030 2381168 -0.061 0 0.29
Catch2025 = catch2024 + 25% 1192640 0.62 0.62 2485343 2175259 -0.125 0.25 0.61
F = F2024 852783 0.41 0.41 2557662 2470479 -0.034 -0.106 0.153
Fpa 767622 0.36 0.36 2574451 2546363 -0.0109 -0.2 0.038
Flim 943352 0.46 0.46 2539256 2390601 -0.059 -0.0113 0.28
SSB2026 = Blim^ 1400600 0.77 0.77 2436177 2000886 -0.179 0.47 0.89
SSB2026 = Bpa^ 730730 0.34 0.34 2581576 2579466 -0.00082 -0.23 -0.0117




Symbol Footnotes
* SSB2026 relative to SSB2025.
** Catch in 2025 relative to estimated catches in 2024 (954 112 tonnes). There is no internationally agreed TAC for 2024.
*** Advice value for 2025 relative to the advice value for 2024 (739 386 tonnes).
^ SSB2026 values are the closest available approximation to Blim and Bpa.