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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
14326
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7827






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 ^
2022 2022 2022 2022 2022 2022 2022 2022 2023 2023 2023 2023
(t) (t) (t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%) (%)
ICES Basis Advice
MSY approach: FMSY × SSB (2022) /MSY Btrigger 49614 46644 2970 42259 4385 0.31 0.29 0.017 153272 21 -24 -24
Other scenarios
F = FMSY lower × SSB (2022) /MSY Btrigger 30204 28397 1807 25728 2669 0.179 0.169 0.01 170840 34 -54 -54
FMSY 57046 53596 3450 48558 5038 0.363 0.34 0.02 146645 15.4 -13.2 -13.2
F = FMSY lower 35009 32911 2098 29817 3094 0.21 0.198 0.012 166510 31 -47 -47
F = FMSY upper 82159 77129 5030 69879 7250 0.564 0.53 0.032 124350 -2.2 25 25
F = 0 0 0 0 0 0 0 0 0 198814 56 -100 -100
Fpa 83556 78420 5136 71049 7371 0.576 0.54 0.032 123198 -3.1 27 27
Flim 93718 87921 5797 79656 8265 0.668 0.63 0.037 114361 -10 43 43
SSB2023 = Blim 102288 95980 6308 86958 9022 0.75 0.71 0.042 107297 -15.6 56 56
SSB2023 = Bpa 54770 51467 3303 46629 4838 0.35 0.33 0.019 149098 17.3 -16.6 -16.6
SSB2023 = MSY Btrigger 54770 51467 3303 46629 4838 0.35 0.33 0.019 149098 17.3 -16.6 -16.6
F = F2021 68786 64585 4201 58514 6071 0.45 0.43 0.025 136046 7 4.7 4.7
TAC2021 65687 61675 4012 55878 5797 0.43 0.4 0.024 138834 9.2 0 0
TAC2021 -15% 55835 52458 3377 47527 4931 0.35 0.33 0.02 147736 16.2 -15 -15
TAC2021 +15% 75540 70969 4571 64298 6671 0.51 0.48 0.029 130131 2.4 15 15
TAC2021 -20% 52551 49373 3178 44732 4641 0.33 0.31 0.018 150648 18.5 -20 -20
TAC2021 +25% 82110 77084 5026 69838 7246 0.56 0.53 0.032 124392 -2.1 25 25




Symbol Footnotes
* Marketable landings.
** Including BMS landings. assuming recent discard rate.
*** SSB 2023 relative to SSB 2022.
# Total catch in 2022 relative to the TAC in 2021 (65 687 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 2022 relative to the advice value 2021 (65 687 tonnes).