Stock assessment graphs

Year	Low Recruitment	Recruitment	High Recruitment	Low TBiomass	TBiomass	High TBiomass	Low SSB	SSB	High SSB	Landings	Catches	Low F	F	High F
1980	138460	216277	337830	31837	41064	52965	8429	11919	16854	10613	10613	0.444	0.612	0.843
1981	163056	246896	373843	30460	41311	56029	10035	14357	20542	4377	4377	0.194	0.281	0.407
1982	170584	260660	398300	37738	51542	70396	13152	18861	27048	4855	4855	0.124	0.182	0.266
1983	154015	227224	335234	44708	59855	80135	17525	24562	34425	3933	3933	0.079	0.114	0.164
1984	127172	185451	270437	47254	61087	78970	19818	26844	36362	4066	4066	0.083	0.116	0.162
1985	132144	190081	273419	46781	58789	73878	16516	22048	29434	9187	9187	0.18	0.244	0.331
1986	133896	193637	280033	42187	52648	65703	16887	22159	29078	7440	7440	0.171	0.231	0.311
1987	125115	182317	265671	35547	44139	54808	14789	19372	25374	5823	5823	0.155	0.206	0.274
1988	96749	139808	202029	35360	43301	53025	13064	17353	23050	10172	10172	0.271	0.356	0.467
1989	95986	137805	197843	30319	37815	47165	11183	14791	19563	4949	4949	0.171	0.23	0.308
1990	88296	126444	181074	29685	36725	45435	10511	13849	18247	6312	6312	0.209	0.278	0.371
1991	77603	112577	163313	25001	30906	38205	7633	10020	13154	4398	4398	0.176	0.235	0.313
1992	93694	135159	194975	21403	26225	32134	7189	9223	11832	5270	5270	0.219	0.29	0.385
1993	74182	107347	155339	24630	30269	37200	7256	9339	12019	4409	4409	0.195	0.258	0.341
1994	92644	131105	185534	22795	27730	33735	8112	10315	13116	4828	4828	0.247	0.323	0.422
1995	93351	131704	185814	22741	27726	33805	7777	9875	12539	5076	5076	0.259	0.337	0.439
1996	83494	116833	163486	21429	25778	31010	6443	8192	10416	5301	5301	0.282	0.363	0.468
1997	81470	113484	158077	19471	23240	27739	5586	7114	9060	6651	6651	0.409	0.519	0.66
1998	81356	115751	164687	17135	20982	25692	5426	6874	8709	4905	4905	0.386	0.496	0.638
1999	62097	88140	125105	16197	19759	24105	5162	6694	8680	4127	4127	0.298	0.388	0.505
2000	55326	79059	112972	14659	17942	21960	6302	8025	10218	2002	2002	0.156	0.209	0.281
2001	55444	78974	112490	14205	17161	20732	3785	4863	6246	5461	5461	0.429	0.553	0.714
2002	54140	78548	113960	12454	15563	19448	3680	4744	6116	2393	2393	0.262	0.349	0.463
2003	68626	96755	136413	12780	15993	20012	3333	4281	5498	2399	2399	0.283	0.379	0.508
2004	83954	117285	163848	14684	18200	22556	4909	6327	8155	2531	2531	0.249	0.328	0.434
2005	100000	139825	195511	17488	21522	26486	5524	7067	9041	4387	4387	0.356	0.46	0.594
2006	130483	185789	264535	19297	24192	30330	5384	6961	8999	4402	4402	0.371	0.485	0.633
2007	152070	222380	325198	25013	32314	41746	8128	10593	13805	4629	4629	0.21	0.282	0.377
2008	137944	197790	283598	27625	34833	43921	9414	12341	16177	4895	4895	0.223	0.295	0.391
2009	147749	210678	300409	28117	35743	45437	9864	12640	16198	4594	4594	0.184	0.301	0.493
2010	143281	202453	286063	29056	35822	44164	11197	14309	18286	4894	4894	0.203	0.266	0.347
2011	119956	171649	245620	27264	33226	40492	10729	13585	17202	5202	5202	0.223	0.288	0.373
2012	122218	172340	243017	24789	30120	36598	8617	10982	13995	5693	5693	0.271	0.351	0.454
2013	100075	146493	214440	22297	27781	34614	8078	10482	13602	4828	4828	0.234	0.309	0.407
2014	118326	165649	231899	23915	29413	36177	9151	11635	14793	5083	5083	0.193	0.256	0.339
2015	127515	178466	249776	23278	28422	34703	6804	8594	10856	4891	4891	0.31	0.401	0.518
2016	110889	156279	220246	21141	25720	31292	6881	8807	11273	4327	4327	0.283	0.368	0.478
2017	118560	166432	233632	23209	28388	34724	7406	9345	11792	3896	3896	0.266	0.343	0.443
2018	146383	202744	280805	24758	29830	35941	6315	7964	10043	6804	6804	0.383	0.482	0.608
2019	160914	223135	309416	24744	29897	36125	7113	8899	11133	6377	6377	0.416	0.521	0.654
2020	189813	276430	402573	26726	33379	41688	5436	7007	9032	7927	7927	0.539	0.673	0.842
2021	168658	240670	343429	32875	41182	51589	11181	14545	18923	7208	7208	0.278	0.359	0.463
2022	180038	274797	419431	28056	35862	45841	8266	10926	14441	7888	7888	0.356	0.463	0.603
2023	121623	199517	327299	25850	35080	47607	7440	10697	15381	7470	7470	0.305	0.424	0.589
2024	87462	173916	345829	20750	32159	49842	5770	10249	18205	7386	7386	0.306	0.505	0.832
2025		198118						9358


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:	2025
Key:	19783


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


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	11793
MSY approach	F_MSY	0.25
Precautionary approach	B_lim	7352
	B_pa	11793
	F_lim
	F_pa	0.25

Age and Length

Recruitment	1
F


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