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:	2021
Key:	14181


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F/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	49400
MSY approach	F_MSY
Precautionary approach	B_lim	35500
	B_pa	49400
	F_lim
	F_pa

Age and Length

Recruitment	2
F	4-7

Fish data

Year	Recruitment	TBiomass	SSB	Landings	Catches	Discards	F
1979	79447	240.2	67386	51009	51009	0	0.588
1980	39612	247.9	85824	46314	46314	0	0.387
1981	10503	243	104420	56655	56655	0	0.3627
1982	46016	208.5	100650	69385	69385	0	0.4484
1983	33976	178.8	79269	65869	65869	0	0.5694
1984	17879	145.1	60868	48236	48236	0	0.541
1985	46675	128.8	49929	50953	50953	0	0.5554
1986	93923	130.5	40824	48881	48881	0	0.6349
1987	162144	160.6	35291	41028	41028	0	0.6235
1988	41538	241	53256	54148	54148	0	0.5899
1989	23664	237.6	81298	62782	62782	0	0.4946
1990	25715	182.3	85590	67117	67117	0	0.5592
1991	87224	141.8	67134	54715	54715	0	0.5147
1992	162777	155.8	49259	47198	47198	0	0.6618
1993	37077	220	56530	48893	48893	0	0.7074
1994	35219	198.1	71919	61608	61608	0	0.8
1995	65434	166	68089	61510	61510	0	0.6369
1996	31298	163	53414	57223	57223	0	0.7562
1997	91867	125.6	46454	44164	44164	0	0.6748
1998	17454	139.2	50808	41528	41528	0	0.7465
1999	49840	127.9	48059	45603	45603	0	0.8054
2000	117823	126.3	47119	41398	41398	0	0.6579
2001	152668	174.5	54956	40220	40220	0	0.6364
2002	198124	254.3	80911	50509	50509	0	0.5476
2003	46303	373.2	127226	61036	61036	0	0.4832
2004	145241	354.7	153562	84918	84918	0	0.4341
2005	381132	352.9	139350	97443	97443	0	0.5116
2006	86388	470.9	112099	97724	97724	0	0.6391
2007	40367	429.4	129224	109880	109880	0	0.7561
2008	39624	327.2	129184	102888	102888	0	0.6321
2009	117267	242.1	113700	82268	82268	0	0.5608
2010	43484	231.1	89556	64237	64237	0	0.5676
2011	35950	210.4	77610	49449	49449	0	0.4814
2012	24886	192	76515	46049	46049	0	0.4032
2013	41752	178.1	82738	44028	44028	0	0.372
2014	28189	170	69123	33853	33853	0	0.3043
2015	20594	172.3	78745	39574	39574	0	0.3303
2016	112058	153.3	71757	38090	38090	0	0.3427
2017	50884	201.7	70443	36831	36831	0	0.3715
2018	42968	221.7	75675	48725	48725	0	0.4077
2019	84128	209.1	83853	57713	57713	0	0.4636
2020	15733	229.9	80347	54548	54548	0	0.4488
2021	167484	197.9	79569			0

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
HRmgt = HRmsy	0.35
HRpa	0.35
HRlim	0.63

Custom fish data column names

CustomName1	CustomName2
B45cm	Harvest rate

Custom fish data

Year	Custom1	Custom2
1979	86748	0.5651
1980	119679	0.38
1981	156183	0.3794
1982	154722	0.4615
1983	115673	0.4835
1984	89157	0.5006
1985	91739	0.6582
1986	76991	0.7798
1987	65807	0.6057
1988	91793	0.7023
1989	126926	0.6265
1990	120026	0.6429
1991	106308	0.628
1992	71318	0.7132
1993	69119	0.705
1994	77013	0.7242
1995	96583	0.7453
1996	75673	0.7249
1997	65448	0.6487
1998	55626	0.6766
1999	56618	0.7892
2000	62927	0.7616
2001	63203	0.5661
2002	92242	0.5147
2003	126325	0.4703
2004	195621	0.494
2005	190460	0.5238
2006	152907	0.5672
2007	145318	0.5867
2008	162762	0.5273
2009	146694	0.4933
2010	113168	0.4754
2011	102713	0.3792
2012	114217	0.347
2013	118342	0.3176
2014	111243	0.2601
2015	119813	0.3045
2016	111157	0.3266
2017	99152	0.3502
2018	119526	0.4339
2019	124500	0.498
2020	121551	0.4607
2021	124565

Sensivity data