ICES Marine Data

Stock Assessment Graphs

	Stock assessment graphs > View list of published graphs and tables > View published graphs and tables

Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)	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.10102
Species: Clupea harengus
Stock code: her.27.nirs
Assessment Year:2020
Purpose:Advice
Assessment Key: 13330
Stock Key: 169122

Year	Recruitment at age (wr) 1	High	Low	SSB	High	Low	Catches	F at age (wr) 4 - 6	High	Low
								Ages 4-6
	thousands			tonnes			tonnes	Year-1
1980	174556	352304	86487	14634	21671	9882	10613	0.29	0.42	0.20
1981	196811	396848	97606	13790	19774	9617	4377	0.28	0.41	0.200
1982	212140	428536	105016	14012	20401	9624	4855	0.28	0.39	0.197
1983	168552	350618	81028	15096	22122	10302	3933	0.27	0.38	0.197
1984	125367	252996	62123	16108	22770	11396	4066	0.28	0.37	0.20
1985	169397	339614	84494	15829	21195	11821	9187	0.29	0.38	0.22
1986	208772	417916	104293	18312	24453	13713	7440	0.29	0.38	0.23
1987	258590	523743	127675	16548	22610	12111	5823	0.30	0.39	0.23
1988	112984	226603	56333	19339	26983	13861	10172	0.31	0.40	0.24
1989	145219	292618	72069	14577	19947	10653	4949	0.31	0.40	0.24
1990	127899	254271	64334	13997	18867	10384	6312	0.31	0.40	0.24
1991	80098	159307	40272	9682	12976	7224	4398	0.31	0.40	0.24
1992	249946	498320	125367	10333	13739	7771	5270	0.31	0.40	0.25
1993	64151	123858	33227	10366	13872	7746	4409	0.32	0.40	0.25
1994	160813	301408	85801	11707	15673	8744	4828	0.32	0.41	0.25
1995	141068	270110	73675	11451	15564	8425	5076	0.32	0.41	0.25
1996	91126	178401	46547	9434	13084	6803	5301	0.33	0.42	0.25
1997	131663	252318	68703	8938	12646	6318	6651	0.33	0.44	0.25
1998	168721	315152	90327	9993	13728	7274	4905	0.34	0.45	0.25
1999	80580	152940	42455	9515	13438	6737	4127	0.33	0.45	0.24
2000	83617	160680	43514	9151	12728	6579	2002	0.32	0.44	0.24
2001	117125	229625	59742	7301	10671	4995	5461	0.33	0.45	0.24
2002	82951	160359	42909	7455	10777	5156	2393	0.32	0.45	0.23
2003	145947	276417	77060	6582	9248	4685	2399	0.31	0.44	0.22
2004	164062	315748	85246	9467	13613	6584	2531	0.30	0.42	0.21
2005	183506	354090	95101	11525	16777	7917	4387	0.29	0.40	0.20
2006	312700	593448	164768	12582	17766	8910	4402	0.27	0.38	0.188
2007	558494	1111864	280535	20064	28518	14117	4629	0.24	0.35	0.169
2008	282377	588766	135431	25591	36975	17712	4895	0.23	0.34	0.157
2009	354336	719495	174503	25719	37636	17576	4594	0.22	0.33	0.148
2010	404335	781532	209188	26876	38844	18596	4894	0.21	0.31	0.139
2011	265402	541409	130101	26769	38264	18727	5202	0.20	0.31	0.135
2012	288659	553900	150431	24029	34794	16594	5693	0.200	0.30	0.132
2013	161135	309635	83855	21597	31263	14919	4828	0.193	0.30	0.126
2014	343176	676594	174063	22788	32399	16028	5083	0.188	0.29	0.120
2015	360051	687380	188595	20975	29828	14750	4891	0.189	0.29	0.122
2016	200386	382621	104946	22720	32420	15922	4327	0.186	0.29	0.120
2017	199187	394191	100651	20933	29610	14799	3896	0.182	0.29	0.115
2018	366224	775656	172912	20236	29557	13854	6804	0.183	0.29	0.115
2019	343863	1368320	86414	24785	37556	16357	6377	0.184	0.29	0.115
2020	274883			24786
Average	208802	426740	102695	15990	22369	11130	5160	0.27	0.38	0.197

Fishing pressure

Stock size

2017

2018

2019

2018

2019

2020

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Harvested sustainably

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable