Advice and Scenarios Database



Saithe (Pollachius virens) in subareas 4, 6 and Division 3.a (North Sea, Rockall and West of Scotland, Skagerrak and Kattegat)
StockCode
pok.27.3a46
Assessment Year
2020
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13511






Catch scenarios


Basis
Total catch
Projected landings*
Projected discards**
Projected landings *. ## Div. 3.a and Subarea 4
Projected landings *. ## Subarea 6
Ftotal (ages 4–7)
Fprojected landings (ages 4–7)
Fprojected discards (ages 4–7)
SSB
% SSB change ***
% TAC change #
% advice change ^
2021 2021 2021 2021 2021 2021 2021 2021 2022 2022 2022 2022
(t) (t) (t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY 65687 61056 4631 55317 5739 0.363 0.34 0.024 164624 8.7 -25 -25
Other scenarios
F = MAP^^ FMSY lower 40391 37551 2840 34021 3530 0.21 0.196 0.014 187780 24 -54 -54
F = MAP^^ FMSY upper 90731 84297 6434 76373 7924 0.536 0.5 0.035 142255 -6 3 3
F = 0 0 0 0 0 0 0 0 0 225332 49 -100 -100
Fpa 78122 72613 5509 65787 6826 0.446 0.42 0.03 153407 1.32 -11.3 -11.3
Flim 101721 94499 7222 85616 8883 0.62 0.58 0.041 132683 -12.4 15.5 15.5
SSB2022 = Blim 131384 121862 9522 110407 11455 0.88 0.82 0.058 107297 -29 49 49
SSB2022 = Bpa 83429 77541 5888 70252 7289 0.48 0.45 0.032 149098 -1.52 -5.3 -5.3
SSB2022 = MSY Btrigger 83429 77541 5888 70252 7289 0.48 0.45 0.032 149098 -1.52 -5.3 -5.3
F = F2020 80210 74548 5662 67540 7008 0.46 0.43 0.031 151564 0.106 -8.9 -8.9
TAC2020 88093 81868 6225 74172 7696 0.52 0.48 0.034 144600 -4.5 0 0
TAC2020 -15% 74879 69603 5276 63060 6543 0.42 0.4 0.028 156285 3.2 -15 -15
TAC2020 +15% 101308 94102 7206 85256 8846 0.62 0.58 0.041 133033 -12.1 15 15
TAC2020 -20% 70476 65513 4963 59355 6158 0.39 0.37 0.026 160238 5.8 -20 -20
TAC2020 +25% 110117 102228 7889 92619 9609 0.69 0.64 0.045 125433 -17.2 25 25




Symbol Footnotes
* Marketable landings.
** Including BMS landings. assuming recent discard rate.
*** SSB2022 relative to SSB2021.
# Total catch in 2021 relative to the TAC in 2020 (88 093 tonnes).
## Projected landings split according to the average in 1993–1998. as agreed by the relevant management authorities. i.e. 90.6% in Subarea 4 and Subdivision 3.a.20. and 9.4% in Subarea 6.
^ Total catch 2021 relative to the advice value 2020 (88 093 tonnes).
^^ EU multiannual plan (MAP) for the North Sea (EU. 2018).