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
2017
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
9143
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4241






Catch scenarios


Basis
Catch (1 November 2017 – 31 October 2018)*
F (1 November 2017–31 October 2018)*
5th percentile SSB in the 4th quarter 2018
Median SSB (4th quarter 2018)**
% SSB change **
% Catch change ***
2018 2018 2018 2018 2018 2018
(t) (t) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: (escapement strategy) 95% probability of SSB being above Blim in the 4th quarter of 2018 212531 0.74 39450 122880 -19.2 431
Other scenarios
F=0 0 0 113290 225740 48 -100
F=Fstatus quo 65155 0.19 86750 189090 24 63
Median SSB when it is at Blim in the 4th quarter of 2018 482127 2.97 9770 39450 -74 1105
Median SSB when it is at Bpa in the 4th quarter of 2018 383148 1.8 17220 65000 -57 857




Symbol Footnotes
* The catch forecast is for the period 1 October to 30 September. ICES considers that this forecast can be used directly for manangement purposes for the period 1 November 2017–31 October 2018.
** SSB in the 4th quarter 2018 relative to SSB in the 4th quarter 2017 (= 152 162 t).
*** Catches 1 October 2017–30 September 2018 relative to catches 1 October 2016–30 September 2017 (= 40 023 t).