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Turbot (Scophthalmus maximus) in Division 3.a (Skagerrak, Kattegat)	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 Component:
Assessment Year:2025
Purpose:Advice
Assessment Key: 21220
Stock Key: 169294

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

				tonnes	tonnes
1960	2.5	8.9	0.69	174	21	0.28	0.87	0.090
1961	2.3	5.9	0.9	179	21	0.29	0.76	0.108
1962	2.2	4.6	1.03	162	19	0.26	0.62	0.107
1963	2.1	3.8	1.11	128	15	0.21	0.46	0.091
1964	1.96	3.3	1.15	94	11	0.171	0.37	0.078
1965	1.92	3.1	1.19	86	10	0.177	0.38	0.083
1966	1.98	3.1	1.27	106	13	0.167	0.35	0.079
1967	1.95	3	1.28	73	9	0.133	0.28	0.063
1968	1.88	2.8	1.25	64	8	0.133	0.28	0.064
1969	1.91	2.9	1.28	76	9	0.145	0.30	0.070
1970	1.93	2.9	1.3	77	9	0.163	0.34	0.079
1971	1.96	2.9	1.32	101	12	0.21	0.43	0.103
1972	2	3	1.36	132	16	0.22	0.45	0.107
1973	1.94	2.9	1.31	100	12	0.21	0.43	0.103
1974	1.87	2.8	1.26	117	14	0.27	0.55	0.136
1975	1.91	2.8	1.29	183	22	0.46	0.93	0.23
1976	2	3	1.36	383	46	0.93	1.97	0.44
1977	2	3.1	1.3	736	88	1.36	3.3	0.57
1978	1.66	2.9	0.96	525	63	1.26	3.4	0.47
1979	1.33	2.6	0.69	406	49	0.99	2.9	0.34
1980	1.13	2.4	0.55	233	28	0.73	2.2	0.25
1981	1.1	2.2	0.53	207	25	0.63	1.81	0.22
1982	1.13	2.2	0.58	182	22	0.60	1.66	0.22
1983	1.21	2.2	0.67	209	25	0.60	1.61	0.23
1984	1.17	2.1	0.67	188	23	0.60	1.56	0.23
1985	1.31	2.2	0.77	241	29	0.59	1.52	0.23
1986	1.34	2.2	0.8	193	23	0.47	1.20	0.186
1987	1.4	2.3	0.85	161	19	0.39	0.96	0.157
1988	1.39	2.2	0.87	138	17	0.37	0.88	0.156
1989	1.53	2.4	0.98	184	22	0.50	1.16	0.22
1990	1.85	2.8	1.22	386	46	0.60	1.38	0.26
1991	2.1	3.2	1.35	276	33	0.54	1.27	0.23
1992	1.91	2.8	1.28	309	37	0.65	1.51	0.28
1993	1.83	2.7	1.23	351	42	0.72	1.68	0.31
1994	1.75	2.6	1.17	353	42	0.72	1.71	0.30
1995	1.71	2.6	1.11	301	36	0.60	1.46	0.25
1996	1.5	2.3	0.98	210	25	0.54	1.31	0.22
1997	1.49	2.3	0.96	220	26	0.53	1.30	0.22
1998	1.34	2.1	0.87	164	20	0.48	1.16	0.198
1999	1.2	1.85	0.78	156	19	0.53	1.27	0.22
2000	1.21	1.85	0.79	193	23	0.68	1.62	0.28
2001	1.17	1.79	0.76	238	28	0.73	1.75	0.31
2002	1.1	1.7	0.71	215	18	0.56	1.33	0.23
2003	1.19	1.84	0.77	153	15	0.39	0.92	0.166
2004	1.31	2	0.86	147	9	0.31	0.74	0.134
2005	1.61	2.5	1.05	126	11	0.26	0.59	0.110
2006	1.6	2.4	1.06	117	12	0.31	0.73	0.136
2007	1.72	2.6	1.14	171	32	0.36	0.84	0.154
2008	1.66	2.5	1.1	140	7	0.27	0.62	0.115
2009	1.64	2.5	1.09	121	9	0.24	0.55	0.103
2010	1.64	2.4	1.1	97	11	0.20	0.46	0.088
2011	1.67	2.5	1.13	94	26	0.29	0.65	0.125
2012	1.92	2.9	1.29	195	23	0.30	0.70	0.132
2013	1.86	2.8	1.24	111	7	0.20	0.46	0.088
2014	1.77	2.6	1.2	122	15	0.26	0.59	0.114
2015	2.2	3.3	1.5	180	34	0.31	0.71	0.134
2016	2.4	3.6	1.58	191	19	0.34	0.77	0.146
2017	2.1	3.2	1.45	192	32	0.33	0.75	0.144
2018	1.93	2.9	1.3	153	23	0.35	0.81	0.154
2019	1.87	2.8	1.26	204	42	0.42	0.98	0.183
2020	1.88	2.8	1.25	202	13	0.39	0.90	0.166
2021	1.74	2.6	1.16	195	8	0.43	1.01	0.187
2022	1.45	2.2	0.97	143	36	0.39	0.90	0.167
2023	1.35	2	0.9	141	4	0.34	0.80	0.149
2024	1.34	2	0.89	147	6	0.35	0.84	0.148
2025	1.52	2.3	0.99
Average	1.69	2.77	1.06	193	23	0.44	1.06	0.182

Fishing pressure

Stock size

2022

2023

2024

2023

2024

2025

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Stable

-

Increasing