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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.10395
Species: Clupea harengus
Stock code: her.27.6a7bc
Assessment Year:2021
Purpose:Advice
Assessment Key: 14099
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%
								Ages 3-6
							tonnes	Year-1
1957	0.77	1.19	0.50	1.19	1.61	0.88	48508	0.58	0.85	0.40
1958	1.34	2.0	0.88	1.22	1.66	0.89	66494	0.75	1.10	0.52
1959	1.85	2.8	1.22	1.23	1.69	0.90	70447	0.69	1.01	0.46
1960	0.74	1.14	0.48	1.50	2.0	1.11	69160	0.48	0.71	0.33
1961	1.21	1.83	0.81	1.55	2.1	1.15	52535	0.34	0.49	0.24
1962	1.65	2.5	1.10	1.45	1.93	1.09	65594	0.51	0.72	0.36
1963	1.66	2.5	1.12	1.54	2.0	1.18	54089	0.39	0.55	0.28
1964	1.16	1.72	0.77	1.73	2.2	1.34	70403	0.37	0.51	0.27
1965	4.8	7.4	3.1	1.75	2.2	1.36	76685	0.39	0.53	0.28
1966	0.83	1.24	0.56	2.6	3.4	2.1	112834	0.48	0.64	0.35
1967	1.75	2.5	1.20	3.0	3.8	2.3	109281	0.48	0.64	0.36
1968	2.4	3.4	1.64	2.8	3.5	2.3	105345	0.37	0.48	0.28
1969	1.73	2.5	1.21	2.7	3.3	2.3	126777	0.57	0.74	0.44
1970	1.90	2.7	1.33	2.5	2.9	2.1	186236	0.83	1.06	0.65
1971	3.8	5.6	2.6	1.88	2.2	1.60	222211	1.63	2.1	1.29
1972	1.53	2.2	1.07	2.1	2.5	1.78	188230	0.99	1.25	0.78
1973	0.94	1.35	0.65	1.98	2.4	1.66	246989	1.51	1.87	1.21
1974	0.99	1.42	0.69	1.26	1.48	1.07	214749	2.2	2.7	1.77
1975	1.04	1.50	0.72	0.83	0.98	0.70	152765	2.0	2.5	1.64
1976	0.70	1.01	0.48	0.65	0.79	0.54	126409	2.0	2.5	1.61
1977	0.83	1.21	0.57	0.58	0.71	0.47	61908	1.31	1.67	1.02
1978	1.17	1.71	0.81	0.61	0.75	0.49	41871	0.88	1.14	0.68
1979	1.28	1.86	0.89	0.79	0.97	0.65	22668	0.45	0.61	0.33
1980	0.83	1.19	0.57	1.05	1.27	0.87	30430	0.47	0.63	0.35
1981	1.10	1.58	0.77	1.04	1.24	0.87	76342	0.97	1.21	0.78
1982	0.89	1.29	0.62	0.90	1.06	0.75	111569	1.45	1.81	1.16
1983	2.3	3.3	1.57	0.78	0.94	0.65	96511	1.48	1.86	1.18
1984	1.18	1.71	0.82	1.09	1.34	0.88	83462	1.01	1.28	0.80
1985	1.37	1.98	0.95	1.32	1.63	1.07	62485	0.85	1.08	0.67
1986	1.24	1.79	0.86	1.34	1.62	1.10	99549	0.97	1.23	0.77
1987	2.2	3.2	1.49	1.26	1.52	1.04	92960	1.07	1.36	0.85
1988	0.95	1.38	0.65	1.47	1.79	1.21	64691	0.82	1.04	0.64
1989	0.78	1.12	0.55	1.55	1.89	1.27	63236	0.71	0.90	0.56
1990	0.62	0.88	0.43	1.33	1.60	1.10	88662	0.88	1.10	0.70
1991	0.48	0.69	0.34	1.08	1.29	0.91	66229	0.82	1.03	0.66
1992	0.69	0.97	0.48	0.80	0.95	0.68	60841	0.89	1.11	0.72
1993	0.59	0.83	0.42	0.79	0.93	0.67	68541	0.93	1.15	0.75
1994	0.88	1.23	0.63	0.60	0.70	0.51	58338	1.03	1.27	0.83
1995	0.71	0.98	0.52	0.47	0.55	0.40	57367	1.11	1.37	0.90
1996	0.81	1.10	0.59	0.60	0.70	0.51	58639	1.16	1.43	0.94
1997	0.95	1.31	0.69	0.51	0.60	0.44	62458	1.67	2.0	1.39
1998	0.48	0.66	0.35	0.61	0.72	0.52	72248	1.85	2.2	1.54
1999	0.42	0.58	0.31	0.49	0.58	0.42	55845	1.35	1.64	1.10
2000	1.21	1.66	0.87	0.39	0.46	0.34	43008	1.18	1.45	0.96
2001	0.82	1.12	0.60	0.66	0.79	0.56	40007	1.10	1.36	0.90
2002	0.90	1.23	0.65	0.77	0.91	0.64	50740	1.27	1.57	1.04
2003	0.50	0.70	0.36	0.72	0.85	0.61	44583	1.06	1.31	0.85
2004	0.43	0.59	0.31	0.62	0.73	0.52	40186	0.98	1.23	0.79
2005	0.43	0.60	0.31	0.54	0.63	0.46	30360	0.69	0.87	0.56
2006	0.38	0.52	0.27	0.49	0.57	0.42	46539	1.10	1.36	0.89
2007	0.25	0.34	0.178	0.47	0.55	0.40	47407	1.16	1.43	0.94
2008	0.30	0.41	0.22	0.38	0.45	0.33	29394	0.94	1.18	0.76
2009	0.33	0.46	0.24	0.31	0.37	0.27	28976	1.10	1.36	0.89
2010	0.54	0.74	0.39	0.31	0.37	0.27	30118	1.33	1.65	1.07
2011	0.24	0.33	0.171	0.26	0.31	0.22	24678	1.12	1.40	0.91
2012	0.23	0.33	0.165	0.30	0.36	0.26	25087	1.04	1.30	0.83
2013	0.114	0.160	0.081	0.21	0.25	0.177	26947	1.53	1.91	1.23
2014	0.147	0.21	0.102	0.135	0.162	0.112	27123	1.80	2.2	1.44
2015	0.24	0.36	0.159	0.112	0.140	0.089	19885	2.3	2.9	1.77
2016	0.100	0.152	0.065	0.162	0.22	0.122	6937	0.80	1.09	0.59
2017	0.119	0.184	0.077	0.163	0.22	0.119	6424	0.68	0.97	0.48
2018	0.163	0.26	0.102	0.119	0.168	0.084	5557	0.68	1.01	0.46
2019	0.47	0.81	0.28	0.129	0.186	0.090	3429	0.33	0.49	0.22
2020	0.61	1.81	0.20	0.184	0.27	0.126	1397	0.136	0.22	0.085