Advice and Scenarios Database



Whiting (Merlangius merlangus) in divisions 7.b-c and 7.e-k (southern Celtic Seas and eastern English Channel)
StockCode
whg.27.7b-ce-k
Assessment Year
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16877
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7888






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
Fprojected landings
Fprojected discards
SSB
% SSB change*
% advice change**
% Probability of falling below Blim
2022 2022 2022 2022 2022 2022 2023 2023 2023 2023
(t) (t) (t) (t) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY × SSB2022/MSY Btrigger 4452 3539 913 0.228 0.189 0.039 37372 21 -15.4 47
Other scenarios
EU MAP^^: FMSY ×SSB2022/MSYBtrigger 4452 3539 913 0.228 0.189 0.039 37372 21 -15.4 47
EU MAP^^: FMSYlower×SSB2022/MSYBtrigger 3801 3028 773 0.191 0.158 0.033 37930 23 -28 44
F = 0 0 0 0 0 0 0 41192 33 -100 29
F= FMSY = Fpa 6883 5440 1443 0.375 0.31 0.065 35338 15 31 55
SSB2023= Blim 5414 4296 1118 0.284 0.235 0.049 36571 19 3 50
SSB2023= Bpa= Btrigger ^
F = F2021 7803 6060 1743 0.492 0.407 0.085 33115 7 48 63
SSB2023 = SSB2022 11274 8706 2568 0.756 0.625 0.131 30856 0 114 70




Symbol Footnotes
* SSB 2023 relative to SSB 2022.
** Advice value for 2022 relative to the advice value for 2021 (5261 tonnes).
† Numbers presented are approximations of the reference point values.
^ The Bpa and MSY Btrigger options were left blank, because Bpa and MSY Btrigger cannot be achieved in 2023, even with zero catches.
^^ EU multiannual plan (MAP) for the Western Waters and adjacent waters (EU, 2019).