Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


	Stock assessment graphs > View list of published graphs and tables > View published graphs and tables > View source data


Horse mackerel (Trachurus trachurus) in divisions 3.a, 4.b, 4.c, and 7.d (Skagerrak, Kattegat, southern and central North Sea, eastern English Channel)
Species:	Trachurus trachurus
Stock code:	hom.27.3a4bc7d
Assessment Year:	2023
Key:	18404


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F/Fmsy
Fishing pressure units
Stock size description	Abundance Index
Stock size units	thousands/hour


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 SSB	SSB	High SSB	Landings	Catches	Discards	F
1982				4035	4035	0
1983				8020	8020	0
1984				29478	29478	0
1985				25612	25612	0
1986				24252	24252	0
1987				12336	12336	0
1988				21806	21806	0
1989				32788	32788	0
1990				21023	21023	0
1991				12913	12913	0
1992	0.5717	1.376	2.889	14643	15043	400
1993	0.2736	0.5555	0.986	12687	13617	930
1994	0.5185	1.168	2.156	4999	5629	630
1995	0.5351	1.347	2.79	16726	16756	30
1996	0.4597	1.054	1.998	18631	18843	212
1997	0.2739	0.6258	1.156	19530	19540	10
1998	0.1908	0.4065	0.7688	30417	30500	83
1999	0.2098	0.4468	0.8085	37224	37224	0
2000	0.2123	0.4223	0.7623	45129	45132.7	3.7
2001	0.2401	0.5166	0.9557	28331	28331	0
2002	0.2041	0.425	0.8288	27264	27264	0
2003	0.1345	0.2884	0.5739	32028	32028	0
2004	0.1562	0.351	0.6441	35435	35435	0
2005	0.3039	0.658	1.252	30848	30910.05	62.05
2006	0.3122	0.6967	1.33	34240	34318	78
2007	0.154	0.3445	0.7081	41104	41243	139
2008	0.07947	0.1628	0.3657	35704	35704	0
2009	0.04448	0.09818	0.2057	45882	46918	1036
2010	0.08131	0.1954	0.4019	24148	24150.427	2.427
2011	0.1084	0.2336	0.4742	27619	27619	0
2012	0.0797	0.1508	0.4097	21378	21378	0
2013	0.07512	0.1885	0.413	18645	18645	0
2014	0.154	0.3287	0.7348	13380	13387.477	7.477
2015	0.1861	0.447	0.9233	9998	12002	2004
2016	0.2268	0.5193	0.9958	13814	15341	1527	1.084
2017	0.0554	0.1338	0.298	13366	14579	1213	1.073
2018	0.04764	0.1139	0.2177	14508	14773	264.6	1.073
2019	0.0922	0.2007	0.4337	11618	11803	185.1	0.9557
2020				12386	12587	200.9	1.077
2021	0.04913	0.1222	0.2448	11030	11082	51.76	1.065
2022	0.1066	0.2645	0.5779	7942	8377	434.6	1.02

Custom reference points

CustomRefPointName	CustomRefPointValue	CustomRefPointNotes
F_{MSY proxy}	1
I_{trigger}	0.137

Custom fish data column names

CustomName1	CustomName2	CustomName3

Custom fish data

Year	Custom1	Custom2	Custom3
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992	1.928	4.272	9.541
1993	0.9122	1.857	3.738
1994	1.269	2.591	5.252
1995	1.072	2.02	4.349
1996	0.3119	0.7323	1.505
1997	0.9721	2.166	4.857
1998	0.3183	0.6499	1.247
1999	0.7502	1.439	2.602
2000	0.8148	1.567	3.05
2001	1.196	2.181	4.981
2002	1.205	2.394	4.78
2003	0.927	1.787	3.35
2004	0.5254	1.003	1.805
2005	0.4193	0.803	1.524
2006	0.2822	0.5306	0.9693
2007	0.3195	0.6014	1.099
2008	0.2875	0.5321	0.9411
2009	0.3635	0.6912	1.253
2010	1.067	2.259	4.443
2011	0.257	0.5044	0.9362
2012	0.1665	0.3155	0.6492
2013	0.5427	1.089	2.06
2014	0.795	1.547	2.992
2015	0.7011	1.471	2.907
2016	1.478	3.056	6.178
2017	0.4281	0.9404	1.925
2018	1.609	3.163	7.417
2019	0.372	0.8119	1.677
2020
2021	0.7883	1.663	3.226
2022	0.6978	1.447	2.912

Sensivity data