Advice and Scenarios Database



Whiting (Merlangius merlangus) in Division 7.a (Irish Sea)
StockCode
whg.27.7a
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
10294
Link to Advice Sheet
NA - The advice link for key 10294 was not found!






Catch scenarios


Basis
Total catch (2019)
Wanted catch (2019)
Unwanted catch (2019)
F total (2019)
F Wanted catch (2019)
F Unwanted catch (2019)
SSB (2020)
% SSB change *
% TAC change **
% Advice change ^^
2019 2019 2019 2019 2019 2019 2020 2020 2019 2019
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach 0 0 0 0 0 0 2989 70 -100
Other scenarios
FMSY= Fpa 585 96 490 0.22 0.0106 0.21 2404 37 20
F = 0 0 0 0 0 0 0 2989 70 -100
Flim 928 150 778 0.37 0.0178 0.35 2073 18 88
SSB2020 = Blim^
SSB2020 = Bpa = MSYBtrigger^
F = F2018 1385 221 1164 0.6 0.03 0.58 1649 -6.1 176




Symbol Footnotes
* SSB 2020 relative to SSB 2019.
** Landings in 2019 relative to TAC in 2018 (80tonnes).
^ The Blim, Bpa, and MSYBtrigger options were left blank because Blim, Bpa, and MSYBtrigger cannot be achieved in 2020, even with zero catch.
^^ Advice value for 2019 relative to advice value for 2018. This is not provided because the advice value in 2018 was zero.