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
2020
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13993
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.9576






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
Fprojected landings
Fprojected discards
SSB
% SSB change*
% advice change**
2021 2021 2021 2021 2021 2021 2022 2022 2022
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
EU MAP ^: FMSY × SSB2021/MSY Btrigger 4029 3290 739 0.209 0.173 0.036 34486 22 -38
EU MAP ^: FMSY lower × SSB2021/MSY Btrigger 3435 2808 627 0.176 0.146 0.03 34984 23 -17.4
Other scenarios
FMSY 6729 5458 1271 0.375 0.31 0.065 32216 14 4
FMSYupper × SSB2021/MSYBtrigger 4029 3290 739 0.209 0.173 0.036 34486 22 -38
F = 0 0 0 0 0 0 0 47398 67 -100
F = Fpa 6729 5458 1271 0.375 0.31 0.065 32216 14 3.8
SSB2022= Blim 1605 1318 287 0.079 0.065 0.014 36571 29 -75
SSB2022= Bpa= Btrigger ^^
F = F2020 7232 5858 1374 0.409 0.338 0.071 31793 12 11.6




Symbol Footnotes
* SSB 2022 relative to SSB 2021.
** Advice values for 2021 relative to the corresponding 2020 values (MAP advice of 6481 tonnes and 4157 tonnes, respectively; other values are relative to 6481 tonnes).
† Numbers presented are approximations of the reference point values.
^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).
^^ The Bpa and MSY Btrigger options were left blank, because Bpa and MSY Btrigger cannot be achieved in 2022, even with zero catches.