Advice and Scenarios Database



Horse mackerel (Trachurus trachurus) in Subarea 8 and divisions 2.a, 4.a, 5.b, 6.a, 7.a-c,e-k (the Northeast Atlantic)
StockCode
hom.27.2a4a5b6a7a-ce-k8
Assessment Year
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16773
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7777






Catch scenarios


Basis
Total catch
F
SSB
% SSB change*
% advice change**
2022 2022 2023 2023 2023
(t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY × SSB2022/MSY Btrigger 71138 0.058 942827 3.3 -12.6
Other scenarios
F=FMSY 90214 0.074 925208 1.35 10.9
F=0 0 0 1008671 10.5 -100
F=FP05=Fpa 96038 0.079 919832 0.76 18
F=Flim 123540 0.103 894468 -2 52
SSB2023=Blim 188749 0.163 834480 -8.6 132
SSB2023=MSYBtrigger=Bpa***
F=F2021 85078 0.07 929950 1.87 4.6
PelAC proposed HCR^ 36423 0.029 974909 6.8 -55




Symbol Footnotes
* SSB 2023 relative to SSB 2022.
** Advice value for 2022 relative to advice value for 2021 (81 375 tonnes).
*** The Bpa and MSY Btrigger options were left blank because Bpa and MSY Btrigger cannot be achieved in 2023, even with a zero catch in 2022.
^ Double breakpoint HCR proposed by PelAC 2020 and reviewed by ICES (ICES, 2021a)