Witch in Subarea 4 and divisions 3.a and 7.d. Annual catch scenarios. All weights are in tonnes.

Total catch (2023) Projected landings (2023) Projected discards (2023) Ftotal ages 4-8 (2022 & 2023) Flandings (2023) Fdiscards (2023) SSB (2023) SSB (2024) % SSB change % Advice change

MSY approach: Fmsy (AR)1313.0 1215.0 98.0 0.1 0.1 0.0 4543.0 5948.0 31.0 8.9
FMSY upper (AR)1750.0 1621.0 129.0 0.2 0.2 0.0 4451.0 5621.0 26.0 45.0
FMSY lower (AR)954.0 882.0 72.0 0.1 0.1 0.0 4620.0 6218.0 35.0 -21.0
F = 00.0 0.0 0.0 0.0 0.0 0.0 4814.0 6942.0 44.0 -100.0
Fpa2871.0 2644.0 227.0 0.3 0.3 0.0 4206.0 4848.0 15.3 138.0
Flim3228.0 2968.0 260.0 0.3 0.3 0.0 4132.0 4612.0 11.6 168.0
Fsq2961.0 2726.0 235.0 0.3 0.3 0.0 4187.0 4788.0 14.4 146.0
SSB (2024) = Blim5916.0 5379.0 537.0 0.7 0.7 0.0 3505.0 3077.0 -12.2 390.0
SSB (2024) = Bpa3595.0 3307.0 288.0 0.4 0.4 0.0 4051.0 4381.0 8.1 198.0
SSB (2024) = MSY Btrigger3595.0 3307.0 288.0 0.4 0.4 0.0 4051.0 4381.0 8.1 198.0
Rollover advice1206.0 1115.0 91.0 0.1 0.1 0.0 4567.0 6124.0 34.0 0.0
Fmsy1601.0 1483.0 118.0 0.1 0.1 0.0 4482.0 5732.0 28.0 33.0
FMSY upper2126.0 1963.0 163.0 0.2 0.2 0.0 4371.0 5349.0 22.0 76.0
FMSY lower1168.0 1080.0 88.0 0.1 0.1 0.0 4575.0 6054.0 32.0 -3.2