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	136431	214335	336722	31710.41	40934.03	52840.53	8416	11894	16811	10613	10613	0.446	0.614	0.845
1981	164120	249483	379247	30564.63	41466.13	56255.87	10054	14363	20517	4377	4377	0.195	0.281	0.406
1982	173796	266224	407808	38176.95	52065.36	71006.22	13249	18954	27116	4855	4855	0.124	0.181	0.265
1983	154211	228987	340021	45091.2	60272.62	80565.36	17692	24729	34566	3933	3933	0.079	0.113	0.163
1984	124270	182838	269008	47273.84	61068.66	78888.89	19949	26957	36426	4066	4066	0.083	0.115	0.161
1985	131082	190087	275653	46788.59	58791.93	73874.64	16531	22048	29405	9187	9187	0.18	0.244	0.331
1986	134469	195856	285268	42339.89	52792.88	65826.54	16931	22182	29062	7440	7440	0.172	0.231	0.311
1987	125836	185036	272089	35766.29	44358.22	55014.13	14854	19413	25371	5823	5823	0.154	0.205	0.272
1988	94718	138065	201250	35359.68	43264.7	52936.97	13136	17401	23051	10172	10172	0.271	0.355	0.465
1989	95097	137936	200072	30325.33	37831.42	47195.41	11220	14800	19522	4949	4949	0.171	0.229	0.306
1990	87317	126151	182256	29680.61	36718.26	45424.62	10540	13855	18214	6312	6312	0.209	0.278	0.369
1991	75812	110773	161856	24931.04	30789.59	38024.85	7653	10021	13123	4398	4398	0.176	0.234	0.312
1992	94428	137773	201014	21489.08	26374.08	32369.57	7221	9247	11842	5270	5270	0.219	0.29	0.384
1993	72298	105466	153849	24577.88	30194.71	37095.16	7296	9376	12049	4409	4409	0.195	0.257	0.339
1994	93332	133055	189686	22914.16	27911.58	33998.91	8163	10364	13157	4828	4828	0.246	0.322	0.42
1995	94601	134290	190628	22981.15	28036.44	34203.77	7861	9964	12629	5076	5076	0.258	0.335	0.435
1996	83070	117219	165406	21582.39	25958.94	31222.97	6523	8274	10495	5301	5301	0.28	0.36	0.462
1997	81467	114280	160310	19604	23398.05	27926.38	5654	7182	9124	6651	6651	0.407	0.516	0.654
1998	82568	118351	169642	17317.64	21248.94	26072.68	5494	6952	8796	4905	4905	0.384	0.493	0.632
1999	61224	87517	125101	16240.93	19817.15	24180.85	5212	6749	8740	4127	4127	0.297	0.386	0.501
2000	54380	77935	111693	14641.54	17901.58	21887.51	6329	8045	10225	2002	2002	0.156	0.208	0.279
2001	54779	78238	111743	14184.29	17107.23	20632.49	3785	4851	6218	5461	5461	0.431	0.555	0.714
2002	53184	77165	111957	12373.36	15417.29	19210.06	3675	4727	6080	2393	2393	0.263	0.349	0.462
2003	67900	96467	137055	12710.74	15935.51	19978.4	3329	4266	5467	2399	2399	0.283	0.378	0.505
2004	83591	117682	165676	14678.97	18227.23	22633.2	4922	6336	8156	2531	2531	0.249	0.327	0.431
2005	99460	140289	197877	17494.7	21586.04	26634.17	5549	7096	9074	4387	4387	0.356	0.458	0.59
2006	133288	190663	272736	19535.55	24568.21	30897.35	5444	7039	9102	4402	4402	0.369	0.481	0.628
2007	158107	231193	338064	25663.9	33183.19	42905.56	8286	10804	14086	4629	4629	0.208	0.278	0.372
2008	137515	199784	290250	27937.54	35339.23	44701.89	9604	12588	16500	4895	4895	0.219	0.291	0.385
2009	149300	214422	307948	28454.96	36232.88	46136.82	9957	12763	16358	4594	4594	0.185	0.303	0.497
2010	144387	205473	292403	29247.83	36142.68	44662.9	11265	14412	18439	4894	4894	0.203	0.264	0.345
2011	118241	171315	248211	27269.94	33345.06	40773.59	10796	13681	17337	5202	5202	0.222	0.286	0.37
2012	121914	173469	246826	24799.91	30222.82	36831.53	8627	11008	14048	5693	5693	0.27	0.35	0.453
2013	97672	144393	213463	22115.56	27657.5	34588.19	8043	10467	13620	4828	4828	0.234	0.309	0.408
2014	117911	166529	235192	23902.43	29510.06	36433.28	9156	11671	14876	5083	5083	0.192	0.254	0.337
2015	128344	181174	255751	23361.94	28616.97	35054.07	6810	8606	10877	4891	4891	0.31	0.4	0.517
2016	109555	155357	220307	21099.22	25693.54	31288.26	6889	8815	11279	4327	4327	0.283	0.368	0.477
2017	117772	166438	235214	23231.02	28467.52	34884.39	7457	9405	11862	3896	3896	0.265	0.341	0.439
2018	148606	207325	289246	25033.01	30232.94	36513.01	6383	8045	10140	6804	6804	0.381	0.479	0.603
2019	164658	229853	320862	25190.35	30516.3	36968.3	7279	9099	11373	6377	6377	0.409	0.513	0.642
2020	203988	297542	434000	27896.88	34972.91	43843.78	5669	7302	9406	7927	7927	0.523	0.654	0.818
2021	180619	257988	368501	34955.33	43718.03	54677.39	12047	15596	20191	7208	7208	0.264	0.34	0.437
2022	202800	309719	473007	30779.08	39207.25	49943.3	9314	12113	15753	7888	7888	0.331	0.427	0.55
2023	137596	215331	336983	29532.59	38908.15	51260.12	9166	12540	17157	7470	7470	0.275	0.368	0.493
2024	89267	160545	288738	24541.94	35363.14	50955.68	8373	13038	20301	7386	7386	0.266	0.394	0.585
2025	74788	157581	332030	17487.77	28932.34	47866.6	6024	11298	21190	5359	5359	0.194	0.342	0.604
2026	155357	212789	309719				5126	10744	20950


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:	2026
Key:	21319


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


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