Advice and Scenarios Database



Haddock (Melanogrammus aeglefinus) in divisions 7.b-k (southern Celtic Seas and English Channel)
StockCode
had.27.7b-k
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
12976






Catch scenarios


Basis
Total catch
Wanted catch*
Unwanted catch*
Ftotal
F Wanted
F Unwanted
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 16671 8068 8603 0.4 0.35 0.054 47629 -4.4 164
F=MAP FMSY lower 11418 5548 5870 0.26 0.23 0.035 53090 6.6 81
F=MAP FMSYupper 23262 11196 12066 0.6 0.52 0.08 40890 -17.9 270
Other scenarios
F = 0 0 0 0 0 65183 31 -100
Fpa 31221 14909 16312 0.89 0.77 0.119 32954 -34 390
Flim 41910 19747 22164 1.41 1.22 0.189 22766 -54 560
SSB2021 = Blim 61452 27772 33680 3.4 3 0.46 6700 -87 870
SSB2021 = Bpa= MSYBtrigger 56879 26040 30839 2.7 2.3 0.36 10000 -80 800
F = F2019 28208 13513 14696 0.77 0.67 0.104 35929 -28 350




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 advice value for 2019 (6317 tonnes).
^^ EU multiannual plan (MAP) for the Western Waters (EU, 2019)