Advice and Scenarios Database



Norway pout (Trisopterus esmarkii) in Subarea 4 and Division 3.a (North Sea, Skagerrak and Kattegat)
StockCode
nop.27.3a4
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18423
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21907857.v1






Catch scenarios


Basis
Catch (1 November 2023–31 October 2024)*
F (1 November 2023–31 October 2024)
5th percentile SSB (4th quarter 2024)
Median SSB (4th quarter 2024)
% SSB change**
% catch change***
% advice change^
2024 2024 2024 2024 2024 2024 2024
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: (escapement strategy) 95% probability of SSB being above Blim in the 4th quarter of 2024 20583 0.123 42573 114391 46 -47 -82
Other scenarios
F=0 0 0 50415 127212 63 -100 -100
F=Fstatus quo^^ 48658 0.305 33385 100095 28 26 -58
F = 0.2 33246 0.2 38119 108096 38 -13.6 -72
F = 0.3 48015 0.303 33631 100477 29 25 -59
F = 0.4 61702 0.408 29945 93407 19.5 60 -47
F = 0.5 74206 0.508 26188 86907 11.2 93 -36
F = 0.6 85848 0.605 22913 81038 3.6 123 -27
F = 0.7 96690 0.71 20610 76245 -2.5 151 -17.2




Symbol Footnotes
* The catch forecast is for the period 1 October to 30 September.
** SSB at the beginning of the 4th quarter of 2024 relative to SSB at the beginning of the 4th quarter of 2023 (78 191tonnes).
*** Catches 1 October 2023–30 September 2024 relative to catches 1 October 2022–15 September 2023 (38 490tonnes).
^ Advice value 2024 relative to the advice value 2023 (= 116 823tonnes).
^^ Fishing mortality from the 4th quarter of 2022 to the 3rd quarter of 2023; from the assessment model.