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
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
12990
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4807






Catch scenarios


Basis
Total catch
Wanted catch*
Unwanted catch*
Ftotal
Fwanted
Funwanted
SSB
SSB change **
Advice change ***
2020 2020 2020 2020 2020 2020 2021 2021 2021
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
EU MAP^: FMSY × SSB2020/MSY Btrigger 6481 3885 2597 0.35 0.25 0.1 33720 43 -59
EU MAP^: FMSY lower × SSB2020/MSY Btrigger 4157 2513 1644 0.22 0.15 0.06 35680 51 -74
Other scenarios
FMSYupper × SSB2020/MSYBtrigger 8104 4826 3277 0.45 0.32 0.13 32365 37 -49
F = 0 0 0 0 0 0 0 39236 66 -100
F = Fpa 13006 7586 5420 0.8 0.56 0.24 28347 20 -18.3
F = Flim 16762 9603 7159 1.12 0.79 0.33 25356 7.4 5.3
SSB2021= Blim 17216 9841 7376 1.16 0.82 0.34 25000 5.9 8.2
SSB2021= Bpa= Btrigger 4960 2990 1970 0.26 0.18 0.08 35000 48 -69
F = F2019 10641 6271 4370 0.62 0.44 0.18 30270 28 -33




Symbol Footnotes
* “Wanted” and “unwanted” catch are used to describe fish that would be landed and discarded, respectively, in the absence of the EU landing obligation.
** SSB 2021 relative to SSB 2020.
*** Advice value for 2020 relative to the advice value for 2019 (15 841 tonnes).
^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).