Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Haddock (Melanogrammus aeglefinus) in Division 5.a (Iceland grounds)
Species:	Stock Assessment Graphs
Stock code:	had.27.5a
Assessment Year:	2019
Key:	10483


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	Harvest Rate
Fishing pressure units	ratio
Stock size description	SSB/B45cm
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger
MSY approach	F_MSY
Precautionary approach	B_lim	35500
	B_pa
	F_lim
	F_pa

Age and Length

Recruitment	2
F

Fish data

Year	Recruitment	TBiomass	SSB	Landings	Catches	Discards	F
1979	75949	262.8	74036	55330	55330	0	0.5904
1980	38199	271.1	94381	51110	51110	0	0.3857
1981	9701	235.2	110012	63558	63558	0	0.3806
1982	42697	209	101173	69428	69428	0	0.4496
1983	32553	179.3	79615	65942	65942	0	0.5672
1984	16864	147.7	60604	48282	48282	0	0.5508
1985	45769	136.3	49826	51102	51102	0	0.5672
1986	90160	131.4	42630	48859	48859	0	0.6423
1987	168451	160.6	38917	40760	40760	0	0.6099
1988	42394	235.3	54751	54204	54204	0	0.6153
1989	26158	236.2	81603	62885	62885	0	0.4881
1990	26591	181	85851	67198	67198	0	0.5591
1991	89989	125.7	66769	54692	54692	0	0.5078
1992	162479	136.6	48422	47121	47121	0	0.6715
1993	37064	205.6	56429	48123	48123	0	0.7093
1994	35677	190.1	71815	59502	59502	0	0.7798
1995	66288	158.2	65890	60884	60884	0	0.6441
1996	31682	151.7	52546	56890	56890	0	0.7802
1997	92607	120.6	44343	43764	43764	0	0.7157
1998	17890	139	49330	41192	41192	0	0.7753
1999	50667	123.4	47124	45411	45411	0	0.8026
2000	116017	122.6	45784	42105	42105	0	0.6777
2001	149915	170.8	54026	39654	39654	0	0.6253
2002	194323	249.1	78105	50498	50498	0	0.5579
2003	45403	363.6	121663	60883	60883	0	0.5078
2004	142375	349	146780	84828	84828	0	0.4547
2005	379875	347.8	136334	97225	97225	0	0.5251
2006	86081	465.8	106937	97614	97614	0	0.6642
2007	40289	426	124015	109966	109966	0	0.7807
2008	38331	313	121075	102872	102872	0	0.6621
2009	116302	237.1	108116	82045	82045	0	0.575
2010	42740	224.8	85360	64168	64168	0	0.5817
2011	35801	202.2	74368	49433	49433	0	0.4885
2012	24071	187.4	72876	46208	46208	0	0.4229
2013	40773	172	78921	44097	44097	0	0.3745
2014	27910	163.8	63221	33900	33900	0	0.3269
2015	20576	164	72845	39646	39646	0	0.3522
2016	111089	147.8	64759	38109	38109	0	0.3703
2017	50230	197	64458	37058	37058	0	0.3981
2018	44681	209	69714	48860	48860	0	0.4332
2019	81247	194.5	76758			0

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
HRpa	0.5
HRlim	0.63
HR MGT	0.35
MGT Btrigger=Bpa	49400

Custom fish data column names

CustomName1	CustomName2
B45cm	F (Ages 4-7)

Custom fish data

Year	Custom1	Custom2
1979	93711	0.4665
1980	132529	0.3647
1981	167016	0.4271
1982	154424	0.4423
1983	116256	0.4695
1984	87662	0.4708
1985	90091	0.5985
1986	76067	0.7399
1987	66830	0.6129
1988	88096	0.7112
1989	128843	0.6606
1990	120189	0.6488
1991	107696	0.6681
1992	70168	0.7363
1993	67847	0.7218
1994	76300	0.7066
1995	94526	0.7874
1996	72917	0.7537
1997	61151	0.6667
1998	53127	0.6977
1999	56583	0.7999
2000	62127	0.7855
2001	63417	0.5604
2002	90507	0.5214
2003	119899	0.4752
2004	186568	0.4936
2005	185146	0.5269
2006	146960	0.5692
2007	140847	0.5783
2008	155379	0.5407
2009	142698	0.4975
2010	110313	0.4828
2011	101186	0.39
2012	109256	0.354
2013	117738	0.3334
2014	103696	0.2723
2015	112575	0.3259
2016	102901	0.3433
2017	93098	0.3768
2018	112786	0.5022
2019	115226

Sensivity data