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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

Species: Melanogrammus aeglefinus
Stock code: had.27.46a20
Assessment Year:2021
Purpose:Advice
Assessment Key: 14386
Stock Key: 169108

Year	Recruitment (age 0)	High	Low	Spawning Stock Biomass	High	Low	Landings	Discards	Industrial	Fishing pressure	High	Low
									Bycatch	Ages 2-4
	thousands			tonnes			tonnes	tonnes	tonnes	Year-1
1972	8738656	12555645	4921666	293120	352626	233614	234019	144366	29585	0.86	1.00	0.73
1973	32331910	39549850	25113970	274699	312640	236758	207489	126105	11267	0.78	0.93	0.63
1974	50765467	66624861	34906072	321906	368128	275684	167528	181802	47505	0.74	0.89	0.59
1975	3121856	6057975	185737	157703	180564	134843	160271	293321	41487	0.86	1.03	0.69
1976	5393141	8355472	2430810	193539	224298	162779	184421	169776	48163	0.79	0.96	0.63
1977	11907538	15392910	8422166	348050	406383	289717	156639	48732	35022	0.82	1.00	0.64
1978	24519908	28311787	20728029	158339	186347	130330	102970	32860	10903	0.91	1.10	0.73
1979	48276386	57692950	38859823	93237	115966	70507	97896	35054	16240	0.93	1.12	0.74
1980	8994401	11022772	6966029	103372	125440	81305	111371	68831	22472	0.90	1.08	0.73
1981	15261807	18449625	12073989	192108	217660	166556	147806	61683	17041	0.67	0.81	0.54
1982	9232003	10864227	7599779	426693	467030	386357	195456	41297	19383	0.54	0.64	0.45
1983	29543509	33771287	25315731	295226	325752	264701	188754	51584	12898	0.72	0.83	0.61
1984	5949746	9078806	2820687	237031	267009	207052	158205	79012	10080	0.85	0.97	0.73
1985	9642389	12180488	7104289	166700	183527	149874	182946	58373	5998	0.80	0.91	0.68
1986	17814510	21537457	14091563	285507	317679	253335	185137	36063	2643	0.91	1.03	0.78
1987	210743	3029066	0	161662	178813	144512	135022	55674	4410	0.91	1.03	0.78
1988	1115116	4681596	0	125842	142706	108977	126227	49833	4002	0.96	1.10	0.82
1989	1853396	4864379	0	177242	199598	154886	92840	32453	2410	0.91	1.05	0.77
1990	8410272	11534414	5286130	85160	96688	73633	61605	22548	2589	0.91	1.05	0.78
1991	9933569	11497035	8370103	51828	59697	43960	55208	36610	5386	0.89	1.03	0.75
1992	16817751	19424006	14211495	55015	60408	49623	81566	42477	10927	0.87	0.98	0.76
1993	4286522	5054575	3518469	117925	132905	102945	98631	70748	10766	0.94	1.06	0.82
1994	16989806	19283164	14696448	138404	157999	118809	95141	70668	3576	0.91	1.03	0.79
1995	4782853	5546655	4019050	195770	224047	167494	89859	71262	7695	0.81	0.93	0.69
1996	6840430	7983176	5697683	125611	140032	111189	92615	107207	5000	0.79	0.90	0.68
1997	4193095	5156119	3230072	255801	285761	225842	95391	67879	6684	0.61	0.71	0.51
1998	3077120	3742849	2411391	186995	206540	167449	95472	61399	5101	0.71	0.83	0.60
1999	46584026	53393890	39774162	145643	163307	127978	76009	43562	3835	0.80	0.92	0.67
2000	9156133	10395978	7916288	95954	109053	82855	54504	64185	8134	0.87	1.00	0.74
2001	920372	2597322	0	66008	75404	56612	47592	117882	7879	0.58	0.68	0.47
2002	1164424	2172028	156821	550753	625082	476424	65405	86051	3717	0.35	0.42	0.28
2003	1326733	2191770	461697	482786	540676	424896	47282	25975	1150	0.21	0.26	0.167
2004	1192405	1964710	420099	338047	384507	291586	51896	20020	554	0.22	0.27	0.170
2005	13297296	14783864	11810728	254992	295954	214029	51528	12389	168	0.30	0.36	0.24
2006	2738267	3468503	2008030	177633	210920	144347	43334	23094	535	0.50	0.58	0.41
2007	1799180	2919518	678842	148434	181777	115091	34672	32651	48	0.41	0.49	0.34
2008	1221123	2176313	265933	301827	341603	262051	33058	14503	199	0.24	0.29	0.189
2009	9633460	10653813	8613108	250312	288272	212352	35590	12326	52	0.190	0.23	0.149
2010	804222	2542674	0	232743	269484	196002	31940	13071	431	0.21	0.25	0.163
2011	65563	1576678	0	165311	189150	141472	36570	13067	24	0.31	0.37	0.25
2012	1082830	2001254	164406	334919	371654	298183	38162	5032	1	0.187	0.23	0.145
2013	457363	1369489	0	263066	290895	235237	43734	3305	54	0.20	0.25	0.161
2014	6285135	6995502	5574767	190277	213774	166779	41143	5090	65	0.34	0.40	0.27
2015	1557364	2265444	849285	149626	170693	128560	35295	6255	21	0.45	0.53	0.37
2016	2910963	3324635	2497290	127240	148339	106141	35058	7950	37	0.33	0.39	0.26
2017	1257282	1691820	822744	224216	249771	198661	32827	7029	19	0.24	0.29	0.189
2018	2402113	3013110	1791116	200462	223486	177439	34404	5008	5	0.21	0.26	0.164
2019	13559848	15559863	11559833	247936	278414	217459	30743	5348	186	0.175	0.22	0.132
2020	13682503	16453544	10911462	243433	276088	210778	30176	9875	1077	0.190	0.24	0.142
2021	6640480	14239815	0	256765	290585	222945
Average	9994860	12619894	7585156	213457	242503	184412	92478	54108	8723	0.61	0.71	0.50

Fishing pressure

Stock size

2018

2019

2020

2019

2020

2021

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