Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Turbot (Scophthalmus maximus) in Division 3.a (Skagerrak and Kattegat)
Species:	Stock Assessment Graphs
Stock code:	tur.27.3a
Assessment Year:	2020
Key:	13756


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F/Fmsy
Fishing pressure units	ratio
Stock size description	B/Bmsy
Stock size units


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger
MSY approach	F_MSY
Precautionary approach	B_lim
	B_pa
	F_lim
	F_pa

Age and Length

Recruitment	0
F

Fish data

Year	Low SSB	SSB	High SSB	Landings	Catches	Discards	Low F	F	High F
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	0.83	1.68	3.4	183	206	23	0.26	0.72	1.99
1976	0.86	1.65	3.2	383	431	48	0.6	1.61	4.3
1977	0.79	1.51	2.9	736	828	92	0.8	2.1	5.8
1978	0.72	1.39	2.7	525	590	65	0.62	1.67	4.5
1979	0.68	1.31	2.5	406	457	51	0.42	1.16	3.2
1980	0.67	1.29	2.5	233	262	29	0.3	0.83	2.3
1981	0.67	1.29	2.5	207	233	26	0.26	0.74	2.1
1982	0.68	1.31	2.5	182	205	23	0.26	0.73	2.1
1983	0.69	1.33	2.6	209	235	26	0.26	0.74	2.1
1984	0.71	1.37	2.7	188	211	23	0.27	0.76	2.1
1985	0.74	1.43	2.8	241	271	30	0.27	0.76	2.2
1986	0.77	1.49	2.9	193	217	24	0.21	0.58	1.66
1987	0.8	1.54	3	161	181	20	0.167	0.48	1.36
1988	0.79	1.53	3	138	155	17	0.17	0.49	1.43
1989	0.74	1.44	2.8	184	207	23	0.32	0.9	2.6
1990	0.68	1.32	2.6	386	434	48	0.47	1.32	3.8
1991	0.6	1.16	2.3	276	310	34	0.42	1.22	3.5
1992	0.55	1.07	2.1	309	347	38	0.54	1.52	4.3
1993	0.54	1.05	2	351	395	44	0.6	1.66	4.6
1994	0.54	1.05	2	353	397	44	0.56	1.56	4.4
1995	0.54	1.05	2	301	338	37	0.42	1.19	3.4
1996	0.52	1.02	1.97	210	236	26	0.37	1.06	3
1997	0.48	0.94	1.81	220	247	27	0.37	1.04	3
1998	0.44	0.86	1.67	164	184	20	0.32	0.91	2.6
1999	0.43	0.83	1.6	156	175	19	0.36	1.02	2.9
2000	0.43	0.82	1.6	193	217	24	0.46	1.28	3.6
2001	0.44	0.85	1.64	238	268	30	0.48	1.35	3.8
2002	0.46	0.89	1.74	215	232	18	0.35	0.97	2.7
2003	0.5	0.96	1.87	153	169	15	0.26	0.73	2
2004	0.53	1.02	1.98	147	156	9	0.23	0.65	1.81
2005	0.54	1.05	2	126	136	11	0.184	0.52	1.45
2006	0.56	1.09	2.1	117	128	12	0.23	0.65	1.8
2007	0.58	1.13	2.2	171	204	32	0.26	0.74	2.1
2008	0.57	1.11	2.2	140	147	7	0.19	0.53	1.49
2009	0.54	1.05	2	121	130	9	0.18	0.5	1.41
2010	0.51	0.99	1.92	97	108	11	0.161	0.45	1.27
2011	0.52	1	1.94	94	120	26	0.26	0.73	2
2012	0.56	1.08	2.1	195	217	23	0.25	0.7	1.97
2013	0.63	1.22	2.4	111	118	7	0.14	0.39	1.11
2014	0.71	1.38	2.7	122	137	15	0.199	0.55	1.54
2015	0.76	1.48	2.9	180	214	34	0.24	0.66	1.84
2016	0.75	1.45	2.8	191	210	19	0.24	0.67	1.88
2017	0.66	1.28	2.5	192	223	32	0.24	0.68	1.91
2018	0.56	1.09	2.1	153	176	23	0.27	0.77	2.2
2019	0.55	1.09	2.1	204	246	42	0.38	1.12	3.2

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
F/Fmsy=1	1
B/Bmsy=0.5	0.5
custom3
custom4
custom5

Custom fish data column names

CustomName1	CustomName2	CustomName3
F/Fmsy(65)	B/Bmsy(35)	BMS

Custom fish data

Year	Custom1	Custom2	Custom3
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975	0.88	1.46
1976	1.95	1.45
1977	2.6	1.33
1978	2	1.22
1979	1.41	1.15
1980	1.01	1.13
1981	0.9	1.14
1982	0.9	1.15
1983	0.9	1.17
1984	0.93	1.2
1985	0.94	1.26
1986	0.72	1.31
1987	0.58	1.35
1988	0.61	1.35
1989	1.11	1.27
1990	1.63	1.15
1991	1.5	1.02
1992	1.86	0.94
1993	2	0.92
1994	1.91	0.92
1995	1.46	0.92
1996	1.31	0.89
1997	1.28	0.82
1998	1.12	0.76
1999	1.25	0.73
2000	1.57	0.72
2001	1.65	0.74
2002	1.19	0.79
2003	0.89	0.85
2004	0.79	0.9
2005	0.63	0.92
2006	0.79	0.96
2007	0.9	0.99
2008	0.65	0.98
2009	0.62	0.92
2010	0.55	0.87
2011	0.89	0.88
2012	0.86	0.95
2013	0.48	1.07
2014	0.68	1.21
2015	0.81	1.3
2016	0.82	1.28
2017	0.83	1.12
2018	0.94	0.96	0.035
2019	1.38	0.95	0.128

Sensivity data