Advice and Scenarios Database



Horse mackerel (Trachurus trachurus) in Division 9.a (Atlantic Iberian waters)
StockCode
hom.27.9a
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17340
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19448030.v1






Catch scenarios


Basis
Catches
F
SSB*
SSB*, #
% SSB change**
% catch change***
% advice change ^
2023 2023 2023 2024 2024 2024 2024
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY 165173 0.15 1195440 1069137 -10.6 528 15.1
Other scenarios
F = 0 0 0 1202540 1241548 3.2 -100 -100
F = F2021 25956 0.022 1201486 1214321 1.07 -1.38 -82
Management plan^^ 123365 0.11 1197330 1112580 -7.1 369 -14
F = F2021 × 1.2 31083 0.027 1201275 1208949 0.64 18 -78
F = F2021 × 1.6 41273 0.035 1200854 1198277 -0.21 57 -71
F = F2021 × 2.0 51378 0.044 1200432 1187701 -1.06 95 -64
Fpa 165173 0.15 1195440 1069137 -10.6 528 15.1
Flim 205452 0.19 1193554 1027417 -13.9 681 43
SSB (2024) = Blim 1169479 2.5 1087697 103002 -91 4343 715
SSB (2024) = Bpa 1074965 1.96 1113050 181005 -84 3984 649
SSB (2024) = MSY Btrigger 1074965 1.96 1113050 181005 -84 3984 649




Symbol Footnotes
* For this stock, the SSB is determined at spawning time (assumed to be mid-January) and is influenced by fisheries before spawning.
** SSB 2024 relative to SSB 2023.
*** Catches in 2023 relative to ICES estimates of catches in 2021 (26 320 tonnes).
# Assuming same catch scenario in 2024 as in 2023.
^ Advised catches for 2023 relative to the advised catches for 2022 (143 505 tonnes).
^^ Management plan with Ftarget = 0.11 (FMSY at the time of the management plan establishment).