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Haddock (Melanogrammus aeglefinus) in Subarea 4, Division 6.a, and Subdivision 20 (North Sea, West of Scotland, Skagerrak) (Link to advice)	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.10137
Species: Melanogrammus aeglefinus
Stock code: had.27.46a20
Assessment Year:2020
Purpose:Advice
Assessment Key: 13515
Stock Key: 169108

Year	Recruitment (age 0)	Mean + 2*SD	Mean - 2*SD	Spawning Stock Biomass	Mean + 2*SD	Mean - 2*SD	Landings	Discards	Industrial	Fishing pressure	Mean + 2*SD	Mean - 2*SD
									Bycatch	Ages 2-4
	thousands			tonnes			tonnes	tonnes	tonnes	Year-1
1972	8941713	12809948	5073479	294819	351203	238436	234019	144366	29585	0.86	0.99	0.74
1973	32856987	40525033	25188941	276036	312074	239999	207489	126105	11267	0.78	0.92	0.65
1974	50756003	66766140	34745865	318979	359455	278503	167528	181802	47505	0.74	0.87	0.60
1975	2869166	5992459	0	156812	176525	137099	160271	293321	41487	0.86	1.02	0.70
1976	5251127	8270385	2231868	194021	223555	164488	184421	169776	48163	0.80	0.95	0.64
1977	11858343	15337736	8378949	347174	401908	292441	156639	48732	35022	0.81	0.98	0.65
1978	24668248	28383402	20953094	157566	183073	132059	102970	32860	10903	0.90	1.07	0.73
1979	48898245	58354262	39442228	93041	113665	72417	97896	35054	16240	0.92	1.09	0.75
1980	9044090	11018847	7069333	103242	123825	82658	111371	68831	22472	0.89	1.06	0.73
1981	15377061	18540607	12213515	193204	217897	168510	147806	61683	17041	0.67	0.80	0.55
1982	9306638	10924948	7688327	432638	471542	393734	195456	41297	19383	0.55	0.64	0.46
1983	30219066	34427145	26010988	295992	324944	267041	188754	51584	12898	0.72	0.82	0.62
1984	5826765	9138640	2514890	238145	267042	209248	158205	79012	10080	0.85	0.96	0.73
1985	9625296	12272230	6978362	168465	184885	152045	182946	58373	5998	0.80	0.91	0.69
1986	17987671	21886119	14089223	290467	322216	258717	185137	36063	2643	0.91	1.03	0.79
1987	79389	3098256	0	163595	180491	146698	135022	55674	4410	0.91	1.03	0.78
1988	1014139	4925480	0	126323	142808	109838	126227	49833	4002	0.95	1.09	0.82
1989	1827160	5041685	0	178201	200094	156308	92840	32453	2410	0.90	1.03	0.77
1990	8502452	11726368	5278536	85636	96835	74438	61605	22548	2589	0.90	1.03	0.77
1991	9801333	11335967	8266698	52493	60115	44871	55208	36610	5386	0.88	1.01	0.75
1992	16230725	18762348	13699102	56284	61659	50909	81566	42477	10927	0.88	0.98	0.77
1993	4268959	5018183	3519736	118876	133314	104437	98631	70748	10766	0.94	1.05	0.82
1994	16903435	19173710	14633161	138804	157632	119976	95141	70668	3576	0.90	1.02	0.79
1995	4763322	5515807	4010837	194125	220893	167358	89859	71262	7695	0.81	0.92	0.69
1996	6836616	7972154	5701078	125241	139043	111439	92615	107207	5000	0.79	0.90	0.68
1997	4157570	5117099	3198041	254546	283455	225637	95391	67879	6684	0.61	0.71	0.52
1998	3059710	3728818	2390601	185567	204420	166713	95472	61399	5101	0.72	0.83	0.61
1999	45622975	52188989	39056961	144157	161273	127041	76009	43562	3835	0.80	0.93	0.68
2000	9041729	10257176	7826283	94108	106590	81627	54504	64185	8134	0.88	1.01	0.75
2001	903938	2533261	0	64113	72891	55334	47592	117882	7879	0.59	0.69	0.49
2002	1162427	2153221	171633	537246	609060	465432	65405	86051	3717	0.36	0.44	0.29
2003	1315777	2157786	473769	464994	520009	409980	47282	25975	1150	0.23	0.28	0.178
2004	1220531	1928530	512532	321439	365404	277473	51896	20020	554	0.23	0.28	0.179
2005	13065429	14482608	11648251	238917	277467	200367	51528	12389	168	0.30	0.35	0.24
2006	2720422	3373852	2066992	164779	195873	133685	43334	23094	535	0.50	0.58	0.41
2007	1786130	2807717	764542	135822	166656	104987	34672	32651	48	0.42	0.49	0.34
2008	1215987	2082933	349041	286240	323499	248981	33058	14503	199	0.24	0.29	0.194
2009	9530774	10517225	8544322	235235	270477	199993	35590	12326	52	0.195	0.24	0.155
2010	787912	2406214	0	217642	251709	183574	31940	13071	431	0.21	0.26	0.168
2011	56297	1427226	0	155802	178297	133307	36570	13067	24	0.32	0.38	0.25
2012	1093372	1881380	305364	321728	356927	286529	38162	5032	1	0.188	0.23	0.148
2013	490182	1259107	0	254516	281649	227383	43734	3305	54	0.21	0.25	0.165
2014	6082750	6774876	5390624	182682	205570	159793	41143	5090	65	0.33	0.40	0.27
2015	1594467	2165535	1023400	144035	164567	123502	35295	6255	21	0.45	0.53	0.37
2016	2879410	3327413	2431407	122029	142535	101524	35058	7950	37	0.32	0.39	0.26
2017	1273838	1642278	905399	215992	240931	191053	32827	7029	19	0.24	0.29	0.191
2018	2150928	2741136	1560720	193999	216621	171376	34404	5008	5	0.21	0.26	0.168
2019	12622694	14430006	10815382	238515	268758	208271	30743	5348	186	0.177	0.22	0.133
2020	5406363	12318231	0	228239	258742	197736
Average	9856236	12467765	7492316	208215	235716	180714	93776	55029	8882	0.62	0.72	0.52

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