ICES Marine Data

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Herring (Clupea harengus) in subdivisions 30 and 31 (Gulf of Bothnia) (Link to advice)	Download graphs and tables(.doc) Download standard graphs (zip) - regular size Download standard graphs (zip) - powerpoint size View on the map
DOI: 10.17895/ices.data.7273
Species: Clupea harengus
Stock code: her.27.3031
Assessment Year:2019
Purpose:Advice
Assessment Key: 12738
Stock Key: 169673

	Relative	Relative	Relative	Relative	Relative	Relative		Relative	Relative	Relative
Year	Recruitment	High	Low	SSB	High	Low	Catches	F	High	Low
	Age 1							Ages 3-7
							tonnes	Year-1
1980	0.72	1.11	0.47	0.35	0.47	0.27	29809	1.32	1.78	0.98
1981	0.26	0.39	0.169	0.34	0.46	0.25	21526	1.00	1.37	0.73
1982	0.25	0.39	0.162	0.37	0.50	0.27	26499	1.12	1.54	0.82
1983	0.78	1.19	0.52	0.39	0.54	0.28	26208	1.04	1.45	0.75
1984	1.05	1.61	0.69	0.47	0.66	0.34	34545	1.09	1.54	0.78
1985	0.81	1.26	0.52	0.56	0.79	0.40	35432	0.95	1.37	0.66
1986	0.21	0.32	0.130	0.64	0.92	0.45	35579	0.86	1.26	0.59
1987	0.51	0.81	0.33	0.76	1.10	0.53	32628	0.75	1.11	0.51
1988	0.21	0.33	0.131	0.76	1.13	0.52	36418	0.71	1.06	0.48
1989	1.18	1.82	0.76	0.91	1.34	0.62	33086	0.59	0.88	0.40
1990	1.97	3.0	1.29	1.08	1.57	0.75	39180	0.55	0.82	0.37
1991	0.65	0.98	0.43	1.21	1.70	0.86	33419	0.46	0.68	0.32
1992	0.94	1.39	0.64	1.31	1.80	0.95	46610	0.56	0.79	0.40
1993	1.73	2.5	1.19	1.30	1.73	0.98	49314	0.57	0.78	0.43
1994	0.66	0.95	0.46	1.51	1.95	1.18	61986	0.69	0.91	0.53
1995	0.74	1.07	0.51	1.34	1.69	1.06	65547	0.82	1.04	0.64
1996	0.67	0.95	0.46	1.32	1.65	1.06	61303	0.83	1.04	0.65
1997	0.67	0.96	0.47	1.16	1.44	0.94	69808	1.02	1.27	0.81
1998	1.29	1.85	0.90	1.09	1.36	0.87	62474	0.99	1.24	0.79
1999	0.62	0.88	0.43	1.07	1.34	0.86	66502	1.10	1.38	0.87
2000	1.18	1.69	0.82	0.98	1.22	0.79	58852	1.04	1.30	0.83
2001	1.11	1.60	0.78	0.96	1.19	0.78	57806	0.99	1.23	0.79
2002	1.50	2.1	1.05	1.00	1.23	0.81	53969	0.82	1.02	0.66
2003	1.68	2.4	1.17	1.00	1.23	0.82	53644	0.79	0.98	0.64
2004	0.53	0.75	0.37	1.02	1.24	0.85	61423	0.84	1.04	0.68
2005	0.74	1.05	0.52	1.09	1.31	0.91	62911	0.86	1.06	0.70
2006	0.81	1.15	0.56	1.07	1.28	0.89	71318	0.92	1.14	0.76
2007	1.70	2.4	1.21	1.03	1.23	0.86	78678	1.05	1.28	0.86
2008	0.97	1.36	0.69	0.98	1.17	0.81	67914	1.02	1.25	0.83
2009	1.04	1.47	0.74	1.11	1.33	0.92	71248	0.93	1.14	0.76
2010	1.09	1.54	0.78	1.31	1.58	1.10	72590	0.90	1.11	0.73
2011	0.87	1.21	0.62	1.23	1.46	1.03	81850	0.97	1.18	0.80
2012	1.52	2.1	1.08	1.30	1.54	1.09	106007	1.25	1.52	1.03
2013	1.15	1.62	0.82	1.32	1.56	1.11	114396	1.39	1.69	1.15
2014	1.18	1.66	0.84	1.31	1.56	1.10	115366	1.40	1.71	1.15
2015	2.6	3.8	1.84	1.22	1.45	1.02	114942	1.53	1.88	1.25
2016	1.30	1.88	0.89	1.10	1.33	0.91	130029	1.85	2.3	1.48
2017	1.36	2.0	0.91	1.05	1.31	0.84	104358	1.66	2.2	1.28
2018	0.74	1.21	0.45	0.97	1.28	0.73	97366	1.74	2.4	1.26

Fishing pressure

Stock size

2016

2017

2018

2016

2017

2018

Maximum sustainable yield

F_MSY

Unknown

MSY B_trigger

Unknown

Precautionary approach

F_pa,F_lim

Unknown

B_pa,B_lim

Unknown

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Above possible reference points

-

Above possible reference points