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

Value Notes

F4-8(2021)0.28 Fsq = F4–8 (2020).
SSB(2021)3562 Tonnes; SSB at the middle of the year (i.e. spawning time) before the TAC year.
Rage1(2021, 2022, 2023)36419 Thousands; Median of the resampled recruitment estimates of 2018-2020.
Total catch(2021)2309 Tonnes; Short-term forecast.
Wanted catch(2021)2152 Tonnes; Based on wanted catch fraction (average 2018-2020).
Unwanted catch(2021)157 Tonnes; Based on unwanted catch fraction (average 2018-2020).