ICES Marine Data

Stock Assessment Graphs

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

Norway lobster (Nephrops norvegicus) in Division 8.c, Functional Unit 31 (southern Bay of Biscay and Cantabrian Sea) (Link to advice)	Download graphs and tables(.doc) Download stock data (XML) Download standard graphs (zip) - regular size Download standard graphs (zip) - powerpoint size View on the map View source data

Species: Nephrops norvegicus
Stock code: nep.fu.31
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 18890
Stock Key: 169161

Year	Relative Biomass	97.5%	2.5%	Landings	Unallocated	Relative Fishing Pressure	97.5%	2.5%	LogbookRegisteredDiscards
					Removals
	tonnes			tonnes	tonnes				tonnes
1983	1.238	2.037	0.752	63		1.12	3.4	0.37
1984	1.32	2.79	0.625	100		1.59	5.8	0.44
1985	1.407	3.738	0.53	128		1.66	7.4	0.37
1986	1.546	5.321	0.449	127		1.45	7.5	0.28
1987	1.603	6.364	0.404	118		1.48	8.2	0.27
1988	1.702	7.509	0.386	151		1.83	11.2	0.30
1989	1.729	8.299	0.36	177		2.2	14.6	0.33
1990	1.664	8.978	0.308	175		1.97	13.4	0.29
1991	1.339	6.838	0.262	109		1.48	10.0	0.22
1992	1.287	6.753	0.245	94		1.36	9.4	0.197
1993	1.306	6.951	0.245	101		1.71	12.7	0.23
1994	1.441	8.613	0.241	148		1.78	14.3	0.22
1995	1.3	8.112	0.208	94		1.64	12.8	0.21
1996	1.222	7.499	0.199	128		2.1	17.3	0.25
1997	1.121	7.351	0.171	98		1.68	14.4	0.196
1998	0.988	6.577	0.148	73		1.34	11.3	0.160
1999	0.833	5.248	0.132	48		1.06	8.7	0.129
2000	0.778	4.944	0.122	37		0.83	6.9	0.099
2001	0.722	4.483	0.116	27		0.68	5.7	0.082
2002	0.728	4.77	0.111	27		0.94	7.2	0.122
2003	0.636	3.726	0.109	35		1.12	8.1	0.155
2004	0.539	2.891	0.101	29		1.25	9.2	0.169
2005	0.565	3.264	0.098	48		1.57	13.0	0.190
2006	0.552	3.548	0.086	37		1.54	12.4	0.192
2007	0.477	2.943	0.077	43		1.79	15.5	0.21
2008	0.424	2.834	0.063	29		1.06	9.4	0.119
2009	0.35	2.314	0.053	13		0.69	5.6	0.085
2010	0.304	1.881	0.049	9		0.59	4.1	0.086
2011	0.245	1.229	0.049	7		0.58	3.8	0.089
2012	0.261	1.256	0.054	10		0.60	4.3	0.084
2013	0.363	2.033	0.065	10		0.28	2.3	0.035
2014	0.465	2.804	0.077	5		0.138	1.27	0.0150
2015	0.674	4.975	0.091	4		0.077	0.74	0.0081
2016	0.754	5.652	0.101	4		0.050	0.42	0.0059
2017	0.675	4.321	0.105	0		0.101	0.80	0.0126
2018	0.663	3.921	0.112	0		0.27	2.1	0.034	7.38
2019	0.685	4.12	0.114	1		0.31	2.5	0.039	7.908
2020	0.615	3.426	0.11	1		0.38	3.0	0.049	10.166
2021	0.607	3.435	0.107	1	5	0.43	3.3	0.055	8.286
2022	0.585	3.24	0.106	7		0.40	3.0	0.053	5.13
2023	0.55	2.756	0.11	11		0.38	3.2	0.046	1.234
2024	0.702	4.262	0.116
Average	0.88	4.619	0.19	57	5	1.06	7.6	0.158	6.684

Fishing pressure

Stock size

2021

2022

2023

2022

2023

2024

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Appropriate

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable