Advice and Scenarios Database



Herring (Clupea harengus) in subareas 1, 2, 5 and divisions 4.a and 14.a, Norwegian spring-spawning herring (the Northeast Atlantic and Arctic Ocean)
StockCode
her.27.1-24a514a
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17614
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19772380.v1






Catch scenarios


Basis
Total catch
F
SSB
% SSB change*
% catch change**
% advice change***
2023 2023 2024 2024 2023 2023
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
Agreed management strategy^ 511171 0.14 3147970 -11 -38 -15
Other scenarios
MSY approach: FMSY 568410 0.157 3098334 -12 -31 -5
F=0 0 0 3592990 2 -100 -100
Fpa 568410 0.157 3098334 -12 -31 -5
Flim 986742 0.291 2736980 -23 19 65
SSB2024=Blim ^^ 1262850 0.39 2500025 -29 53 111
SSB2024=Bpa=MSYBtrigger^^ 469646 0.128 3184005 -10 -43 -22
F=F2022 684536 0.192 2997770 -15 -17 14




Symbol Footnotes
* SSB2024 relative to SSB2023.
** Catch in 2023 relative to ICES estimated catch in 2022 (827 963 tonnes).
*** Advice value 2023 relative to advice value 2022 (598 588 tonnes).
^ According to the harvest control rule in the management strategy F (2023) = Fmgt = 0.14, since the SSB is forecasted to be above Btrigger on 1 January 2023.
^^ SSB2024 values are the closest available approximation to Blim and Btrigger.