Advice and Scenarios Database



Haddock (Melanogrammus aeglefinus) in Division 7.a (Irish Sea)
StockCode
had.27.7a
Assessment Year
2020
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13678
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.5917






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Ftotal
F projected landings
F projected 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 3371 2622 748 0.28 0.18 0.1 12343 -20 7
F = MAP FMSY lower^ 2491 1941 550 0.2 0.129 0.071 13316 -14 7
F = MAPFMSYupper^ 4092 3179 913 0.35 0.23 0.125 11551 -25 7
Other scenarios
F = 0 0 0 0 0 0 0 16109 4 -100
F = Fpa 4387 3406 981 0.38 0.24 0.135 11228 -27 39
F = Flim 5496 4257 1240 0.5 0.32 0.178 10025 -35 74
SSB2022 = Blim 12503 9430 3073 1.81 1.16 0.65 2994 -81 300
SSB2022 = Bpa 11229 8530 2699 1.45 0.93 0.52 4160 -73 260
Rollover TAC 3156 2456 700 0.26 0.17 0.09 12580 -19 0
SSB2022 = MSYBtrigger 11101 8438 2663 1.42 0.91 0.5 4281 -72 250
F = F2020 2081 1623 458 0.165 0.106 0.059 13773 -11 -34




Symbol Footnotes
* SSB 2022 relative to SSB 2021.
** Advice value for 2021 relative to the FMSY advice value for 2020 (3156 tonnes).
*** EU multiannual plan (MAP) for the Western Waters (EU, 2019).
^ Advice value this year relative to the advice value last year for the MAP FMSY lower (2333 tonnes) and MAP FMSY upper (3830 tonnes), in % advice change** column