Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Black scabbardfish (Aphanopus carbo) in subareas 1, 2, 4–8, 10, and 14 and in divisions 3.a, 9.a, and 12.b (Northeast Atlantic and Arctic Ocean)
Species:	Stock Assessment Graphs
Stock code:	bsf.27.nea
Assessment Year:	2025
Key:	20974


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	L_{F=M}/L_{mean}
Fishing pressure units
Stock size description	A_index
Stock size units	Kilograms per trip


Fish reference points

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

Age and Length

Recruitment	0
F

Fish data

Year	Low TBiomass	TBiomass	High TBiomass	Low SSB	SSB	High SSB	Catches	F
1988							2602
1989							3830
1990							4805
1991							6790
1992							8534
1993							9544
1994							7573
1995	1342	1389	1436	1342	1389	1436	8291
1996	1162	1201	1240	1162	1201	1240	7805
1997	1021	1055	1088	1021	1055	1088	6826
1998	966	997	1028	966	997	1028	5958
1999	877	906	935	877	906	935	5251
2000	845	873	901	845	873	901	7214
2001	815	842	869	815	842	869	9570
2002	688	714	739	688	714	739	12043
2003	769	796	823	769	796	823	8437
2004	761	788	815	761	788	815	7407
2005	854	883	911	854	883	911	7122
2006	749	776	802	749	776	802	6954
2007	931	961	991	931	961	991	6676
2008	989	1020	1050	989	1020	1050	8254
2009	939	968	998	939	968	998	6961
2010	918	948	977	918	948	977	7009
2011	991	1024	1056	991	1024	1056	6564
2012	916	946	976	916	946	976	7227
2013	848	877	905	848	877	905	6093
2014	893	923	952	893	923	952	5758
2015	1010	1041	1073	1010	1041	1073	6351
2016	1026	1057	1088	1026	1057	1088	7177
2017	976	1007	1037	976	1007	1037	5110
2018	824	853	881	824	853	881	4515
2019	1149	1184	1219	1149	1184	1219	4334
2020	1140	1175	1211	1140	1175	1211	3963
2021	1001	1033	1065	1001	1033	1065	3288
2022	896	926	956	896	926	956	2517	1.00563995826883
2023	1007	1040	1073	1007	1040	1073	2386	1.01170042541127
2024	896	927	958	896	927	958	2029	1.01546128339744

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
I_(trigger)	999.61
F/F_{MSY}	1

Custom fish data column names

CustomName1	CustomName2	CustomName3
Catch Northern	Catch Southern	Catch Other

Custom fish data

Year	Custom1	Custom2	Custom3
1988	0	2602	0
1989	354	3473	3
1990	1461	3274	71
1991	2537	3979	273
1992	3547	4398	589
1993	4984	4524	36
1994	4092	3434	48
1995	4008	4272	11
1996	4099	3689	18
1997	3266	3555	5
1998	2757	3153	49
1999	2446	2753	53
2000	4600	2407	207
2001	6784	2773	12
2002	9282	2728	34
2003	5675	2665	98
2004	4787	2503	118
2005	3942	2772	408
2006	4150	2726	79
2007	3194	3481	2
2008	4533	3647	75
2009	3175	3620	167
2010	3311	3470	229
2011	2905	3494	165
2012	3966	2711	550
2013	3657	2140	297
2014	3600	2118	40
2015	3577	2532	243
2016	4606	2476	95
2017	2889	2151	70
2018	2687	1801	28
2019	1904	2409	21
2020	1453	2507	4
2021	938	2348	2
2022	453	2063	1
2023	175	2163	49
2024	254	1761	15

Sensivity data