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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
DOI: 10.17895/ices.data.10190
Species: Scophthalmus maximus
Stock code: tur.27.3a
Assessment Year:2020
Purpose:Advice
Assessment Key: 13756
Stock Key: 169294

Year	Relative exploitable biomass	97.5%	2.5%	Landings	Discards	Relative fishing pressure	97.5%	2.5%	F/Fmsy(65)	B/Bmsy(35)	BMS

				tonnes	tonnes	ratio			ratio	ratio	t
1950				299
1951				265
1952				181
1953				139
1954				140
1955				130
1956				123
1957				141
1958				160
1959				184
1960				174
1961				179
1962				162
1963				128
1964				94
1965				86
1966				106
1967				73
1968				64
1969				76
1970				77
1971				101
1972				132
1973				100
1974				117
1975	1.68	3.4	0.83	183	23	0.72	1.99	0.26	0.88	1.46
1976	1.65	3.2	0.86	383	48	1.61	4.3	0.60	1.95	1.45
1977	1.51	2.9	0.79	736	92	2.1	5.8	0.80	2.6	1.33
1978	1.39	2.7	0.72	525	65	1.67	4.5	0.62	2	1.22
1979	1.31	2.5	0.68	406	51	1.16	3.2	0.42	1.41	1.15
1980	1.29	2.5	0.67	233	29	0.83	2.3	0.30	1.01	1.13
1981	1.29	2.5	0.67	207	26	0.74	2.1	0.26	0.9	1.14
1982	1.31	2.5	0.68	182	23	0.73	2.1	0.26	0.9	1.15
1983	1.33	2.6	0.69	209	26	0.74	2.1	0.26	0.9	1.17
1984	1.37	2.7	0.71	188	23	0.76	2.1	0.27	0.93	1.2
1985	1.43	2.8	0.74	241	30	0.76	2.2	0.27	0.94	1.26
1986	1.49	2.9	0.77	193	24	0.58	1.66	0.21	0.72	1.31
1987	1.54	3	0.8	161	20	0.48	1.36	0.167	0.58	1.35
1988	1.53	3	0.79	138	17	0.49	1.43	0.170	0.61	1.35
1989	1.44	2.8	0.74	184	23	0.90	2.6	0.32	1.11	1.27
1990	1.32	2.6	0.68	386	48	1.32	3.8	0.47	1.63	1.15
1991	1.16	2.3	0.6	276	34	1.22	3.5	0.42	1.5	1.02
1992	1.07	2.1	0.55	309	38	1.52	4.3	0.54	1.86	0.94
1993	1.05	2	0.54	351	44	1.66	4.6	0.60	2	0.92
1994	1.05	2	0.54	353	44	1.56	4.4	0.56	1.91	0.92
1995	1.05	2	0.54	301	37	1.19	3.4	0.42	1.46	0.92
1996	1.02	1.97	0.52	210	26	1.06	3.0	0.37	1.31	0.89
1997	0.94	1.81	0.48	220	27	1.04	3.0	0.37	1.28	0.82
1998	0.86	1.67	0.44	164	20	0.91	2.6	0.32	1.12	0.76
1999	0.83	1.6	0.43	156	19	1.02	2.9	0.36	1.25	0.73
2000	0.82	1.6	0.43	193	24	1.28	3.6	0.46	1.57	0.72
2001	0.85	1.64	0.44	238	30	1.35	3.8	0.48	1.65	0.74
2002	0.89	1.74	0.46	215	18	0.97	2.7	0.35	1.19	0.79
2003	0.96	1.87	0.5	153	15	0.73	2.0	0.26	0.89	0.85
2004	1.02	1.98	0.53	147	9	0.65	1.81	0.23	0.79	0.9
2005	1.05	2	0.54	126	11	0.52	1.45	0.184	0.63	0.92
2006	1.09	2.1	0.56	117	12	0.65	1.80	0.23	0.79	0.96
2007	1.13	2.2	0.58	171	32	0.74	2.1	0.26	0.9	0.99
2008	1.11	2.2	0.57	140	7	0.53	1.49	0.190	0.65	0.98
2009	1.05	2	0.54	121	9	0.50	1.41	0.180	0.62	0.92
2010	0.99	1.92	0.51	97	11	0.45	1.27	0.161	0.55	0.87
2011	1	1.94	0.52	94	26	0.73	2.0	0.26	0.89	0.88
2012	1.08	2.1	0.56	195	23	0.70	1.97	0.25	0.86	0.95
2013	1.22	2.4	0.63	111	7	0.39	1.11	0.140	0.48	1.07
2014	1.38	2.7	0.71	122	15	0.55	1.54	0.199	0.68	1.21
2015	1.48	2.9	0.76	180	34	0.66	1.84	0.24	0.81	1.3
2016	1.45	2.8	0.75	191	19	0.67	1.88	0.24	0.82	1.28
2017	1.28	2.5	0.66	192	32	0.68	1.91	0.24	0.83	1.12
2018	1.09	2.1	0.56	153	23	0.77	2.2	0.27	0.94	0.96	0.035
2019	1.09	2.1	0.55	204	42	1.12	3.2	0.38	1.38	0.95	0.128
Average	1.2	2.33	0.62	193	28	0.92	2.6	0.33	1.126	1.053	0.082

Fishing pressure

Stock size

2017

2018

2019

2017

2018

2019

Maximum sustainable yield

F_MSY

Undefined

MSY B_trigger

Undefined

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Undefined

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Increasing

-

Stable