Catch scenarios

Basis	Total catch	Wanted catch	Unwanted catch	F total	F Wanted catch	F Unwanted catch	SSB	% SSB change *	% TAC change **
	2020	2020	2020	2020	2020	2020	2021	2021	2020
	(t)	(t)	(t)	(ratio)	(ratio)	(ratio)	(t)	(%)	(%)
ICES Basis Advice
MSY approach	0	0	0	0	0	0	2971	62	-100
Other scenarios
FMSY= Fpa	595	72	523	0.22	0.009	0.21	2391	30	-90
F = 0	0	0	0	0	0	0	2971	62	-100
FMSY lower	440	54	386	0.158	0.0065	0.151	2540	38	-93
FMSY upper	776	94	682	0.29	0.0121	0.28	2219	21	-87
FMSY × SSB2020/MSYBtrigger	73	9	64	0.025	0.00102	0.024	2899	58	-99
FMSY lower: FMSY lower × SSB2020/MSYBtrigger	53	6	46	0.0178	0.00073	0.0171	2919	59	-99
FMSY upper: FMSY upper × SSB2020/MSYBtrigger	97	12	85	0.033	0.00137	0.032	2875	56	-98
Flim	948	114	834	0.37	0.0152	0.35	2058	11.9	-84
SSB2021 = Blim^
SSB2021 = Bpa = MSYBtrigger^
F = F2019	1222	146	1076	0.5	0.021	0.48	1808	-1.69	-80

Symbol	Footnotes
*	SSB 2021 relative to SSB 2020.
**	Landings in 2020 relative to TAC in 2019 (727tonnes).
***	The Blim, Bpa, and MSYBtrigger options were left blank because Blim, Bpa, and MSYBtrigger cannot be achieved in 2021, even with zero catch.