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Norway lobster (Nephrops norvegicus) in Division 8.c, Functional Unit 25 (southern Bay of Biscay, northern Galicia)	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.25
Assessment Component:
Assessment Year:2025
Purpose:Advice
Assessment Key: 19845
Stock Key: 169157

Year	Relative Biomass	97.5%	2.5%	Landings	Relative Fishing Pressure	97.5%	2.5%	LogbookRegisteredDiscards

				tonnes				tonnes
1975	1.093	1.882	0.635	743	1.89	3.6	1.00
1976	0.982	1.743	0.554	578	2.1	3.9	1.09
1977	0.935	1.811	0.483	828	2.6	5.0	1.35
1978	0.856	1.827	0.401	706	2.2	4.3	1.13
1979	0.744	1.537	0.36	475	2.1	4.1	1.04
1980	0.693	1.45	0.331	532	1.87	3.8	0.91
1981	0.633	1.299	0.308	318	1.68	3.5	0.82
1982	0.616	1.256	0.302	431	2.0	4.0	1.03
1983	0.607	1.253	0.294	433	2.2	4.2	1.19
1984	0.588	1.231	0.281	515	2.5	4.5	1.36
1985	0.579	1.356	0.248	477	2.3	4.2	1.26
1986	0.539	1.262	0.23	398	2.2	4.0	1.22
1987	0.517	1.242	0.215	412	2.4	4.5	1.34
1988	0.497	1.246	0.198	445	2.7	4.9	1.46
1989	0.46	1.181	0.18	405	2.5	4.5	1.37
1990	0.411	0.974	0.174	335	2.6	5.0	1.38
1991	0.413	1.18	0.145	453	3.2	7.4	1.39
1992	0.395	1.501	0.104	428	2.8	7.8	1.05
1993	0.348	1.526	0.079	274	2.4	6.8	0.85
1994	0.308	1.322	0.072	246	2.6	7.9	0.87
1995	0.283	1.331	0.06	275	2.8	9.4	0.84
1996	0.25	1.337	0.047	209	3.0	9.4	0.97
1997	0.209	1.034	0.042	219	2.7	6.9	1.06
1998	0.159	0.572	0.044	103	2.3	4.8	1.08
1999	0.141	0.434	0.046	124	2.3	4.4	1.16
2000	0.128	0.355	0.046	81	2.4	4.6	1.29
2001	0.123	0.333	0.045	147	3.8	7.5	1.90
2002	0.113	0.357	0.036	143	3.7	7.2	1.86
2003	0.089	0.262	0.03	89	3.1	5.8	1.71
2004	0.074	0.188	0.029	75	3.0	5.4	1.69
2005	0.065	0.161	0.026	63	3.1	5.5	1.73
2006	0.058	0.134	0.025	62	3.6	6.5	1.97
2007	0.051	0.115	0.023	67	3.3	6.2	1.71
2008	0.045	0.103	0.019	39	1.94	3.8	1.01
2009	0.043	0.101	0.018	23	1.56	3.1	0.78
2010	0.05	0.142	0.017	34	1.97	5.3	0.74
2011	0.059	0.278	0.013	46	1.20	3.8	0.38
2012	0.059	0.287	0.012	13	0.56	1.70	0.184
2013	0.061	0.268	0.014	11	0.44	1.34	0.143
2014	0.07	0.328	0.015	10	0.43	1.32	0.141
2015	0.079	0.373	0.017	14	0.46	1.34	0.159
2016	0.086	0.385	0.019	13	0.32	0.91	0.115
2017	0.088	0.322	0.024	2	0.199	0.61	0.066
2018	0.089	0.246	0.032	2	0.146	0.45	0.048	0.38
2019	0.094	0.23	0.039	2	0.118	0.36	0.038	1.02
2020	0.104	0.246	0.044	2	0.101	0.31	0.033	0.793
2021	0.12	0.28	0.051	2	0.093	0.29	0.030	0.868
2022	0.148	0.362	0.06	2	0.092	0.30	0.028	3.2
2023	0.193	0.6	0.062	0	0.093	0.33	0.026	5.8
2024	0.246	0.992	0.061	0	0.095	0.40	0.023	11.1
2025	0.297	1.365	0.065
Average	0.311	0.816	0.131	226	1.92	4.1	0.92	3.309

Fishing pressure

Stock size

2022

2023

2024

2023

2024

2025

Maximum sustainable yield

F_MSY

Above

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Increased risk

B_pa,B_lim

Reduced reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable