Stock assessment graphs

Year	Low Recruitment	Recruitment	High Recruitment	TBiomass	Low SSB	SSB	High SSB	Landings	Catches	Low F	F	High F
1980	82366	189662	436733	43261	10935	17659	28517	10613	10613	0.1942	0.2827	0.4115
1981	87474	198988	452664	37987	9456	14364	21821	4377	4377	0.1933	0.2792	0.4033
1982	90182	204434	463433	39775	8977	13623	20672	4855	4855	0.1921	0.2757	0.3955
1983	60933	140505	323991	37835	9224	13929	21033	3933	3933	0.1924	0.2741	0.3905
1984	50910	115382	261498	38369	10266	14995	21904	4066	4066	0.1952	0.2753	0.3883
1985	74878	169058	381696	46490	11375	16574	24150	9187	9187	0.2005	0.2797	0.3902
1986	93621	211293	476865	48339	13312	19199	27689	7440	7440	0.2022	0.2811	0.3907
1987	102980	233281	528455	44712	11713	17123	25033	5823	5823	0.2035	0.2824	0.3918
1988	49243	110968	250066	43521	13458	20149	30167	10172	10172	0.2056	0.2852	0.3958
1989	58481	132455	299999	37835	10051	14778	21729	4949	4949	0.2046	0.284	0.3943
1990	57786	129832	291705	37384	9872	14459	21178	6312	6312	0.2046	0.2841	0.3944
1991	38243	86422	195298	29584	6896	10182	15035	4398	4398	0.2036	0.283	0.3934
1992	123084	281813	645238	35882	7747	11490	17041	5270	5270	0.2038	0.2838	0.3952
1993	29591	65121	143310	31445	7625	11261	16631	4409	4409	0.2023	0.2828	0.3954
1994	75784	158261	330497	32468	8754	12940	19129	4828	4828	0.2012	0.2826	0.3969
1995	77900	166708	356758	33860	8546	12769	19079	5076	5076	0.1997	0.282	0.3983
1996	46806	105240	236623	28825	7204	10969	16700	5301	5301	0.1986	0.2821	0.4008
1997	72934	159213	347558	29231	6900	10813	16945	6651	6651	0.1982	0.2835	0.4055
1998	84000	175255	365650	29941	7658	11545	17406	4905	4905	0.196	0.2825	0.4071
1999	43352	91675	193861	25822	7067	10825	16581	4127	4127	0.1906	0.2771	0.4028
2000	44715	95416	203604	22994	6914	10389	15610	2002	2002	0.1845	0.2714	0.3992
2001	65418	143487	314724	25900	5660	9165	14842	5461	5461	0.1829	0.2705	0.3999
2002	36484	81552	182292	21899	5680	8945	14085	2393	2393	0.1769	0.265	0.3969
2003	66765	143631	308991	24125	4844	7512	11651	2399	2399	0.1723	0.2607	0.3945
2004	86091	187775	409563	28254	6657	10534	16670	2531	2531	0.1634	0.2528	0.3912
2005	95444	210449	464029	33290	8205	13448	22041	4387	4387	0.1562	0.2464	0.3886
2006	158763	337729	718438	41110	8784	13986	22267	4402	4402	0.146	0.2378	0.3872
2007	305376	674684	1490620	77886	14046	21954	34314	4629	4629	0.131	0.2263	0.3908
2008	145688	339083	789204	67846	17654	27806	43796	4895	4895	0.1226	0.2195	0.3929
2009	167050	395537	936542	70898	17546	28854	47450	4594	4594	0.116	0.2141	0.3952
2010	208571	452707	982607	71040	17736	29086	47699	4894	4894	0.1097	0.2089	0.3978
2011	143853	330711	760287	62318	17173	28029	45747	5202	5202	0.1066	0.2059	0.3975
2012	138809	298343	641231	57068	15197	25591	43094	5693	5693	0.1049	0.2039	0.3965
2013	79802	171957	370531	46490	13465	22720	38336	4828	4828	0.1018	0.2013	0.3978
2014	182330	405550	902050	60295	14217	23389	38478	5083	5083	0.0997	0.1994	0.3987
2015	155836	333367	713146	55882	13149	21354	34679	4891	4891	0.1028	0.2012	0.3938
2016	89784	189473	399847	47667	14016	22584	36390	4327	4327	0.1033	0.2015	0.3931
2017	80688	174033	375365	43434	12497	19922	31761	3896	3896	0.1034	0.2017	0.3934
2018	175876	373996	795291	54339	11522	19489	32965	6804	6804	0.1071	0.2045	0.3904
2019	178469	385386	832201	55826	14176	22720	36414	6377	6377	0.1103	0.2071	0.3887
2020	265466	593030	1324780	69494	13436	21401	34088	7927	7927	0.1113	0.2081	0.3889
2021	53869	196418	716188	61390	18813	30792	50397	7208	7208	0.1089	0.2066	0.392
2022		294667				27504


Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
Species:	Stock Assessment Graphs
Stock code:	her.27.nirs
Assessment Year:	2022
Key:	17308


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F
Fishing pressure units
Stock size description	SSB
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	11831
MSY approach	F_MSY	0.266
Precautionary approach	B_lim	8500
	B_pa	11831
	F_lim	0.397
	F_pa	0.309

Age and Length

Recruitment	1
F	4-6


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