Advice and Scenarios Database



Haddock (Melanogrammus aeglefinus) in Subarea 4, Division 6.a, and Subdivision 20 (North Sea, West of Scotland, Skagerrak)
StockCode
had.27.46a20
Assessment Year
2019
Stock Category
1
Purpose
InitAdvice
Published
Stock Assessment Key
12946
Link to Advice Sheet
NA - The advice link for key 12946 was not found!






Catch scenarios


Basis
Total catch
Wanted catch
Unwanted catch * (2020)
IBC
HCF
Ftotal (ages 2-4)
Fwanted (ages 2-4)
Funwanted (ages 2–4)
FIBC (ages 2-4)
SSB (2021)
% SSB change ***
% TAC change
% Advice change
2020 2020 2020 2020 2020 2020 2020 2020 2020 2021 2021 2021 2021
(t) (t) (t) (t) (t) (ratio) (ratio) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY 30228 25537 4662 30 30199 0.194 0.163 0.03 0.0002 196243 -3.4 -11.1 -11.1
Other scenarios
F = MAP FMSY lower 26269 22207 4032 30 26239 0.167 0.141 0.026 0.0002 200542 -1.33 -23 -23
F = MAP FMSY upper 30228 25537 4662 30 30199 0.194 0.163 0.03 0.0002 196243 -3.4 -11.1 -11.1
F = 0 (IBC only) 32 0 0 32 0 0 0 0 0.0002 229410 12.9 -100 -100
Fpa 41488 34971 6489 29 41460 0.274 0.23 0.043 0.0002 184091 -9.4 22 22
Flim 55822 46886 8908 28 55794 0.384 0.32 0.06 0.0002 168805 -16.9 64 64
SSB (2021) = Blim 114594 93181 21392 21 114573 1.06 0.89 0.166 0.0002 94000 -54 237 237
SSB (2021) = Bpa = MSY Btrigger 88573 73499 15049 24 88549 0.69 0.58 0.108 0.0002 132000 -35 161 161
F2019 30257 25561 4666 30 30228 0.194 0.164 0.03 0.0002 196212 -3.5 -11 -11
Rollover TAC 33985 28691 5265 29 33956 0.22 0.19 0.034 0.0002 192176 -5.4 0 0




Symbol Footnotes
No footnotes