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Herring (Clupea harengus) in divisions 6.a and 7.b-c (West of Scotland, West of Ireland) (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.10101
Species: Clupea harengus
Stock code: her.27.6a7bc
Assessment Year:2020
Purpose:Advice
Assessment Key: 13329
Stock Key: 169120

	Relative	Relative	Relative	Relative	Relative	Relative		Relative	Relative	Relative
Year	Relative recruitment at age (wr) 1	97.5%	2.5%	SSB	97.5%	2.5%	Catches	F	97.5%	2.5%

							tonnes	Year-1
1957	0.75	1.16	0.48	1.18	1.59	0.87	36598	0.59	0.85	0.41
1958	1.31	2.0	0.86	1.20	1.64	0.88	51398	0.76	1.10	0.52
1959	1.83	2.8	1.20	1.21	1.66	0.88	52499	0.69	1.02	0.47
1960	0.75	1.16	0.48	1.47	1.99	1.08	41613	0.49	0.72	0.34
1961	1.22	1.85	0.81	1.52	2.0	1.13	33280	0.35	0.50	0.25
1962	1.65	2.5	1.09	1.43	1.91	1.07	52367	0.51	0.72	0.37
1963	1.65	2.5	1.10	1.52	2.0	1.16	39235	0.39	0.55	0.28
1964	1.12	1.69	0.75	1.71	2.2	1.32	43254	0.37	0.51	0.27
1965	4.7	7.3	3.0	1.72	2.2	1.34	66974	0.38	0.53	0.28
1966	0.84	1.26	0.56	2.6	3.3	2.0	114203	0.48	0.65	0.36
1967	1.76	2.6	1.20	2.9	3.8	2.3	91852	0.48	0.63	0.36
1968	2.4	3.4	1.62	2.8	3.5	2.2	88116	0.37	0.48	0.28
1969	1.73	2.5	1.20	2.7	3.3	2.2	100768	0.57	0.74	0.44
1970	1.90	2.7	1.32	2.4	2.9	2.1	144481	0.83	1.05	0.65
1971	3.9	5.7	2.6	1.86	2.2	1.58	227810	1.63	2.1	1.30
1972	1.51	2.2	1.05	2.1	2.5	1.77	194841	0.99	1.25	0.79
1973	0.92	1.33	0.64	1.97	2.4	1.65	255607	1.51	1.87	1.22
1974	0.99	1.43	0.69	1.26	1.48	1.06	237999	2.2	2.7	1.77
1975	1.07	1.55	0.74	0.82	0.98	0.70	149727	2.0	2.5	1.64
1976	0.68	1.00	0.47	0.65	0.79	0.54	124784	2.00	2.5	1.60
1977	0.83	1.22	0.57	0.57	0.71	0.46	56924	1.30	1.66	1.02
1978	1.16	1.70	0.79	0.60	0.75	0.48	41682	0.88	1.13	0.68
1979	1.29	1.88	0.89	0.78	0.96	0.64	21261	0.45	0.61	0.33
1980	0.83	1.20	0.57	1.04	1.26	0.86	31570	0.47	0.62	0.35
1981	1.10	1.59	0.76	1.03	1.23	0.86	74037	0.98	1.22	0.79
1982	0.88	1.28	0.61	0.88	1.05	0.74	114211	1.46	1.81	1.17
1983	2.2	3.3	1.52	0.77	0.92	0.63	98134	1.47	1.84	1.18
1984	1.16	1.68	0.80	1.06	1.31	0.86	81509	1.02	1.29	0.81
1985	1.34	1.94	0.92	1.28	1.59	1.04	63077	0.87	1.09	0.69
1986	1.20	1.75	0.82	1.29	1.57	1.06	103425	1.01	1.26	0.80
1987	2.1	3.1	1.42	1.21	1.46	1.00	94365	1.08	1.37	0.86
1988	0.92	1.35	0.62	1.40	1.71	1.15	65555	0.85	1.07	0.67
1989	0.76	1.09	0.53	1.47	1.80	1.21	63886	0.74	0.94	0.59
1990	0.59	0.85	0.41	1.26	1.52	1.04	88141	0.92	1.15	0.73
1991	0.47	0.67	0.33	1.01	1.21	0.85	68315	0.87	1.08	0.69
1992	0.70	1.00	0.50	0.75	0.89	0.63	61051	0.95	1.17	0.76
1993	0.59	0.83	0.41	0.76	0.89	0.64	68042	0.98	1.21	0.80
1994	0.95	1.34	0.68	0.57	0.67	0.49	58367	1.05	1.30	0.85
1995	0.75	1.03	0.54	0.46	0.54	0.39	55984	1.12	1.37	0.91
1996	0.82	1.12	0.60	0.61	0.72	0.52	60030	1.13	1.39	0.92
1997	0.94	1.31	0.68	0.52	0.61	0.45	62693	1.64	1.97	1.37
1998	0.48	0.66	0.35	0.62	0.73	0.52	72271	1.81	2.2	1.50
1999	0.42	0.59	0.30	0.50	0.59	0.42	55843	1.33	1.62	1.09
2000	1.23	1.70	0.88	0.40	0.46	0.34	42980	1.17	1.43	0.95
2001	0.83	1.15	0.60	0.67	0.80	0.56	40128	1.09	1.34	0.89
2002	0.90	1.25	0.65	0.78	0.92	0.65	50748	1.27	1.56	1.03
2003	0.51	0.71	0.37	0.72	0.86	0.61	44708	1.05	1.30	0.85
2004	0.43	0.60	0.31	0.62	0.74	0.52	40600	0.98	1.22	0.78
2005	0.44	0.61	0.32	0.54	0.63	0.46	30412	0.69	0.86	0.56
2006	0.39	0.55	0.28	0.49	0.57	0.42	46509	1.08	1.32	0.87
2007	0.25	0.35	0.181	0.48	0.57	0.41	47420	1.13	1.40	0.92
2008	0.31	0.43	0.22	0.39	0.46	0.33	29432	0.91	1.14	0.72
2009	0.34	0.47	0.24	0.32	0.38	0.27	29901	1.06	1.32	0.85
2010	0.54	0.75	0.39	0.32	0.38	0.27	30012	1.27	1.58	1.03
2011	0.24	0.34	0.172	0.27	0.32	0.23	24695	1.07	1.34	0.86
2012	0.25	0.35	0.173	0.31	0.37	0.26	25109	1.01	1.26	0.81
2013	0.123	0.176	0.086	0.22	0.26	0.183	26856	1.47	1.83	1.18
2014	0.157	0.23	0.107	0.145	0.176	0.119	27346	1.67	2.1	1.32
2015	0.25	0.39	0.165	0.125	0.161	0.097	19851	2.0	2.6	1.54
2016	0.104	0.164	0.066	0.180	0.25	0.131	6942	0.68	0.95	0.48
2017	0.117	0.188	0.073	0.182	0.26	0.130	6420	0.57	0.83	0.39
2018	0.155	0.27	0.090	0.134	0.196	0.092	5553	0.58	0.87	0.38
2019	0.33	1.01	0.105	0.140	0.21	0.094	3429	0.31	0.49	0.20