Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Tusk (Brosme brosme) in Subarea 14 and Division 5.a (East Greenland, and Iceland grounds)
Species:	Stock Assessment Graphs
Stock code:	usk.27.5a14
Assessment Year:	2021
Key:	14401


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F/Harvest rate
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	6240
MSY approach	F_MSY
Precautionary approach	B_lim	4460
	B_pa	6240
	F_lim
	F_pa

Age and Length

Recruitment	3
F	11

Fish data

Year	Recruitment	TBiomass	SSB	Landings	Catches	Discards	F
1982	10397	35047	7789	5877	5877	0	0.2127
1983	9161	36324	8754	8286	8286	0	0.2911
1984	8167	34998	8610	5692	5692	0	0.2087
1985	5183	35930	9439	5061	5061	0	0.1744
1986	3987	37192	11162	5381	5381	0	0.1717
1987	9720	37808	12432	5644	5644	0	0.1724
1988	8005	37944	12998	6864	6864	0	0.2084
1989	10267	36777	13101	7076	7076	0	0.227
1990	11951	35538	12317	7296	7296	0	0.2507
1991	11930	34268	11305	8762	8762	0	0.3228
1992	7207	31571	9361	7999	7999	0	0.3302
1993	5568	29539	7975	6074	6074	0	0.2681
1994	6557	29201	7786	5827	5827	0	0.2504
1995	5082	28724	7996	6106	6106	0	0.2567
1996	2297	27562	8075	6044	6044	0	0.2595
1997	9414	26297	7923	5391	5391	0	0.2436
1998	14372	25837	7812	5136	5136	0	0.2448
1999	10415	25880	7546	7219	7219	0	0.3647
2000	6308	24049	6016	5059	5059	0	0.2955
2001	8605	24662	5480	4779	4779	0	0.2696
2002	11257	25906	5638	5541	5541	0	0.2884
2003	12073	26751	5884	5536	5536	0	0.2791
2004	12412	27992	6113	4822	4822	0	0.2365
2005	13946	30428	6587	5040	5040	0	0.2285
2006	13334	33107	7166	6598	6598	0	0.273
2007	11585	34541	7385	7540	7540	0	0.2974
2008	12332	35153	7390	8626	8626	0	0.3312
2009	10904	34548	7165	8680	8680	0	0.3359
2010	7440	33422	7074	8978	8978	0	0.353
2011	4095	31263	6836	7702	7702	0	0.3151
2012	2664	29476	6951	7873	7873	0	0.3255
2013	2213	26526	6868	6265	6265	0	0.2752
2014	1961	24300	7100	6163	6163	0	0.2852
2015	4682	21519	6929	4836	4836	0	0.2508
2016	4847	19704	6793	3494	3494	0	0.2018
2017	6186	19165	6825	2541	2541	0	0.1567
2018	7064	19899	7057	2940	2940	0	0.1821
2019	12088	20796	7002	3445	3445	0	0.2151
2020	12010	21914	6664	3420	3420	0	0.2148
2021	10874	23868	6504			0

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
HRmsy	0.17
HRpa	0.2
HRlim	0.27

Custom fish data column names

CustomName1
B40cm

Custom fish data

Year	Custom1
1982	27630
1983	28461
1984	27279
1985	29010
1986	31335
1987	32738
1988	32933
1989	31167
1990	29105
1991	27142
1992	24225
1993	22661
1994	23273
1995	23786
1996	23288
1997	22128
1998	20982
1999	19797
2000	17121
2001	17723
2002	19210
2003	19835
2004	20384
2005	22053
2006	24170
2007	25349
2008	26048
2009	25842
2010	25433
2011	24444
2012	24188
2013	22765
2014	21612
2015	19281
2016	17315
2017	16219
2018	16147
2019	16016
2020	15922
2021	16705

Sensivity data