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Turbot (Scophthalmus maximus) in Division 3.a (Skagerrak and 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
DOI: 10.17895/ices.data.6962
Species: Scophthalmus maximus
Stock code: tur.27.3a
Assessment Year:2017
Purpose:Advice
Assessment Key: 8981
Stock Key: 169294

Year	Biomass Index (IBTS Q1)	Landings	Discards	IBTS Q3 biomass index

	kg/hour	tonnes	tonnes	kg/hour
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		183
1976		383
1977		736
1978		525
1979		406
1980		233
1981		207
1982		182
1983		209
1984		188
1985		241
1986		193
1987		161
1988		138
1989		184
1990		386
1991	1.06	276		0.218
1992	0.38	309		0.225
1993	0.6	349		0.066
1994	0.44	352		0.427
1995	0.54	300		0.087
1996	0.59	209		0.225
1997	0.43	220		0.095
1998	0.38	163		0.029
1999	0.11	155		0.109
2000	0.23	192		0
2001	0.4	238		0.121
2002	0.15	221		0.337
2003	0.3	159		0.117
2004	0.35	147		0.095
2005	0.3	127		0.133
2006	0.7	121		0.316
2007	0.46	173		0.253
2008	0.1	143		0.599
2009	0.32	120		0.418
2010	0.29	95		0.312
2011	0.27	99		0.201
2012	0.47	189		0.386
2013	0.42	111	7	0.167
2014	0.09	120	11	0.382
2015	0.92	184	18	0.379
2016	0.66	188	16	0.355
2017	0.53
Average	0.43	196	13	0.233

Fishing pressure

Stock size

2014

2015

2016

2015

2016

2017

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

-

Insufficient information

-

Decreasing