Advice and Scenarios Database



Whiting (Merlangius merlangus) in Division 6.a (West of Scotland)
StockCode
whg.27.6a
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17302
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19457426.v1






Catch scenarios


Basis
Total catch
Projected landings*
Projected discards**
Ftotal
Fprojected landings
Fprojected discards
SSB
% SSB change***
% advice change^
2023 2023 2023 2023 2023 2023 2024 2024 2024
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 4155 2081 2074 0.21 0.043 0.167 25692 -10.6 1
Other scenarios
F=0 0 0 0 0 0 0 30665 6.7 -100
F= FMSY lower 3472 1735 1737 0.173 0.036 0.137 26463 -7.9 -15.6
F= FMSY upper 4155 2081 2074 0.21 0.043 0.167 25692 -10.6 1
F= Fpa 4155 2081 2074 0.21 0.043 0.167 25692 -10.6 1
F= Flim 5907 2978 2929 0.31 0.064 0.25 23765 -17.3 44
SSB (2024)=Blim 12447 6432 6015 0.77 0.158 0.61 17286 -40 200
SSB (2024)=Bpa=MSYBtrigger 4241 2124 2117 0.22 0.044 0.171 25597 -10.9 3.1
SSB (2024)=SSB (2023) 1547 766 781 0.074 0.0153 0.059 28727 0 -62
F=F2022 1468 728 740 0.07 0.0145 0.055 28825 0.34 -64




Symbol Footnotes
* Marketable landings, assuming recent discard rate.
** Including BMS landings (EU stocks), assuming recent discard rate.
*** SSB 2024 relative to SSB 2023.
^ Advice value for 2023 relative to the corresponding 2022 value (4114 tonnes).