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
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17613
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19772446.v1






Catch scenarios


Basis
Catch (1 November 2022–31 October 2023)*
F (1 November 2022–31 October 2023)
5th percentile SSB (4th quarter 2023)
Median SSB (4th quarter 2023)
% SSB change**
% catch change***
% advice change^
2023 2023 2023 2023 2023 2023 2023
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: (escapement strategy) 95% probability of SSB being above Blim in the 4th quarter of 2023 116823 0.635 42570 133480 9.2 167 -1.23
Other scenarios
F=0 0 0 80120 190620 56 -100 -100
F=Fstatus quo 45564 0.22 63550 165940 36 4.3 -61
F = 0.3 61133 0.303 58530 158540 30 40 -48
F = 0.4 79162 0.405 52850 149820 23 81 -33
F = 0.5 95769 0.503 48010 142220 16.4 119 -19
F = 0.6 111636 0.603 43870 135600 11 155 -5.6
F = 0.7 126284 0.705 40520 129060 5.6 189 6.8




Symbol Footnotes
* The catch forecast is for the period 1 October to 30 September.
** SSB at the beginning of the 4th quarter of 2023 relative to SSB at the beginning of the 4th quarter of 2022 (= 122 199 tonnes).
*** Catches 1 October 2022–30 September 2023 relative to catches 1 October 2021–15 September 2022 (= 43 701 tonnes).
^ Advice value 2023 relative to the advice value 2022 (= 118 273 tonnes).