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Turbot (Scophthalmus maximus) in Division 3.a (Skagerrak and Kattegat) (Link to advice)	Download graphs and tables(.doc) Download stock data (XML) Download standard graphs (zip) - regular size Download standard graphs (zip) - powerpoint size View on the map View source data

Species: Scophthalmus maximus
Stock code: tur.27.3a
Assessment Year:2021
Purpose:Advice
Assessment Key: 14552
Stock Key: 169294

Year	Relative exploitable biomass	97.5%	2.5%	Landings	Discards	Relative fishing pressure	97.5%	2.5%

				tonnes	tonnes	ratio
1975	1.55	2.8	0.87	183	22	1.05	2.3	0.49
1976	1.47	2.5	0.85	383	46	1.25	2.4	0.64
1977	1.38	2.3	0.83	736	88	1.37	2.7	0.69
1978	1.29	2.1	0.79	525	63	1.33	2.6	0.68
1979	1.22	1.99	0.76	406	49	1.19	2.3	0.62
1980	1.18	1.91	0.73	233	28	1.04	2.0	0.53
1981	1.16	1.88	0.72	207	25	0.93	1.88	0.46
1982	1.16	1.87	0.72	182	22	0.86	1.74	0.43
1983	1.18	1.9	0.73	209	25	0.81	1.62	0.41
1984	1.21	1.95	0.75	188	23	0.78	1.56	0.39
1985	1.26	2	0.78	241	29	0.76	1.57	0.37
1986	1.31	2.1	0.81	193	23	0.76	1.69	0.34
1987	1.33	2.1	0.83	161	19	0.82	1.93	0.35
1988	1.29	2.1	0.8	138	17	0.99	2.2	0.44
1989	1.19	1.91	0.73	184	22	1.29	2.6	0.66
1990	1.06	1.7	0.65	386	46	1.56	2.9	0.85
1991	0.94	1.51	0.58	276	33	1.59	2.8	0.91
1992	0.89	1.44	0.55	309	37	1.50	2.5	0.89
1993	0.9	1.46	0.56	351	42	1.43	2.4	0.85
1994	0.92	1.48	0.57	353	42	1.42	2.4	0.85
1995	0.9	1.46	0.56	301	36	1.44	2.4	0.84
1996	0.86	1.39	0.54	210	25	1.47	2.5	0.85
1997	0.8	1.29	0.5	220	26	1.46	2.5	0.83
1998	0.76	1.22	0.47	164	20	1.37	2.4	0.78
1999	0.74	1.19	0.46	156	19	1.31	2.3	0.76
2000	0.74	1.2	0.46	193	23	1.29	2.2	0.77
2001	0.75	1.21	0.47	238	28	1.27	2.1	0.76
2002	0.78	1.25	0.48	215	18	1.09	1.88	0.64
2003	0.82	1.33	0.51	153	15	0.88	1.58	0.49
2004	0.88	1.42	0.54	147	9	0.75	1.38	0.41
2005	0.93	1.49	0.57	126	11	0.67	1.30	0.34
2006	0.97	1.57	0.6	117	12	0.72	1.31	0.40
2007	1	1.62	0.62	171	32	0.77	1.37	0.43
2008	0.96	1.56	0.6	140	7	0.69	1.31	0.36
2009	0.89	1.43	0.55	121	9	0.64	1.25	0.32
2010	0.85	1.36	0.52	97	11	0.63	1.24	0.32
2011	0.88	1.41	0.54	94	26	0.74	1.28	0.43
2012	0.97	1.56	0.6	195	23	0.70	1.22	0.40
2013	1.08	1.74	0.67	111	7	0.56	1.13	0.28
2014	1.17	1.89	0.73	122	15	0.64	1.17	0.35
2015	1.23	1.99	0.76	180	34	0.74	1.32	0.42
2016	1.25	2	0.77	191	19	0.77	1.40	0.43
2017	1.22	1.96	0.75	192	32	0.77	1.46	0.40
2018	1.16	1.87	0.72	153	23	0.82	1.54	0.43
2019	1.12	1.8	0.69	204	42	0.90	1.62	0.50
2020	1.11	1.8	0.69	202	13	0.88	1.68	0.46
2021	1.11	1.81	0.69
Average	1.06	1.72	0.65	223	27	1.02	1.89	0.55

Fishing pressure

Stock size

2018

2019

2020

2019

2020

2021

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Above

Precautionary approach

F_pa,F_lim

Below possible reference points

B_pa,B_lim

Above possible reference points

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Stable

-

Stable