Advice and Scenarios Database



Cod (Gadus morhua) in Subarea 4, Division 7.d, and Subdivision 20 (North Sea, eastern English Channel, Skagerrak)
StockCode
cod.27.47d20
Assessment Year
2019
Stock Category
1
Purpose
InitAdvice
Published
Stock Assessment Key
12948
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.5640






Catch scenarios


Basis
Total catch
Wanted catch
Unwanted catch
Ftotal
Fwanted
Funwanted
SSB
% SSB change
% TAC change
% Advice change
2020 2020 2020 2020 2020 2020 2021 2021 2020 2020
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: SSB (2021) = Blim 10457 8613 1844 0.131 0.101 0.03 107000 31 -70 -63
Other scenarios
MSY approach: FMSY ×SSB(2020) /MSY Btrigger 13289 10933 2356 0.169 0.13 0.039 104036 27 -62 -53
F = MAP^^ FMSY-lower ×SSB(2020) /MSY Btrigger 8699 7178 1521 0.108 0.083 0.025 108827 33 -75 -69
F = 0 0 0 0 0 0 0 118230 45 -100 -100
Fpa 28056 22944 5112 0.39 0.3 0.09 88516 8.3 -21 -0.52
Flim 36634 29848 6786 0.54 0.42 0.124 79709 -2.5 3.6 30
SSB (2021) = Blim 10457 8613 1844 0.131 0.101 0.03 107000 31 -70 -63
SSB (2021) = Bpa 0 0 0 0 0 0 118230 45 -100 -100
SSB (2021) = MSY Btrigger 0 0 0 0 0 0 118230 45 -100 -100
TAC (2019) – 20% 28286 23131 5155 0.39 0.3 0.091 88253 7.9 -20 0.29
TAC (2019) – 15% 30053 24574 5479 0.42 0.33 0.098 86409 5.7 -15 6.6
TAC (2019) – 10% 31821 25985 5836 0.45 0.35 0.104 84513 3.4 -10 12.8
TAC (2019) – 5% 33589 27374 6215 0.48 0.37 0.112 82710 1.17 -5 19.1
Constant TAC 35357 28803 6554 0.52 0.4 0.119 80950 -0.98 0 25
TAC (2019) + 5% 37125 30254 6871 0.55 0.42 0.126 79208 -3.1 5 32
TAC (2019) + 10% 38893 31690 7203 0.58 0.45 0.135 77422 -5.3 10 38
TAC (2019) + 15% 40661 33107 7554 0.62 0.48 0.142 75386 -7.8 15 44
TAC (2019) + 20% 42428 34494 7934 0.65 0.5 0.15 73575 -10 20 50
F = F2019 33714 27472 6242 0.49 0.38 0.112 82598 1.03 -4.6 19.5
F=FMSY lower 15374 12646 2728 0.198 0.152 0.046 101873 25 -57 -45
F = FMSY 23024 18870 4154 0.31 0.24 0.071 93892 14.8 -35 -18.4




Symbol Footnotes
No footnotes