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Norway lobster (Nephrops norvegicus) in Division 8.c, Functional Unit 25 (southern Bay of Biscay and northern Galicia) (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.25
Assessment Year:2022
Purpose:Advice
Assessment Key: 17391
Stock Key: 169157

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

				tonnes				tonnes
1975	1.201	1.946	0.742	743	2.1	4.5	0.96
1976	1.069	1.984	0.576	578	2.2	4.8	1.04
1977	1.032	2.115	0.504	828	2.7	6.0	1.25
1978	0.966	2.177	0.428	706	2.4	5.3	1.07
1979	0.823	1.916	0.354	475	2.2	5.0	1.01
1980	0.762	1.841	0.315	532	2.1	4.6	0.93
1981	0.681	1.668	0.278	318	1.89	4.1	0.87
1982	0.657	1.618	0.266	431	2.3	4.7	1.08
1983	0.655	1.648	0.26	433	2.4	4.9	1.20
1984	0.642	1.646	0.251	515	2.6	5.2	1.27
1985	0.673	1.881	0.241	477	2.4	4.8	1.15
1986	0.627	1.77	0.222	398	2.3	4.7	1.09
1987	0.609	1.763	0.211	412	2.4	5.1	1.17
1988	0.594	1.758	0.201	445	2.7	5.5	1.27
1989	0.556	1.661	0.186	405	2.5	5.2	1.21
1990	0.482	1.371	0.169	335	2.6	5.4	1.21
1991	0.511	1.573	0.166	453	2.9	6.5	1.28
1992	0.523	1.811	0.151	428	2.5	6.0	1.04
1993	0.477	1.737	0.131	274	2.1	5.1	0.87
1994	0.418	1.487	0.117	246	2.3	5.5	0.92
1995	0.39	1.428	0.107	275	2.4	6.1	0.93
1996	0.355	1.385	0.091	209	2.6	6.5	1.05
1997	0.289	1.082	0.077	219	2.5	5.7	1.06
1998	0.204	0.666	0.062	103	2.2	4.8	1.00
1999	0.175	0.545	0.056	124	2.2	4.8	1.04
2000	0.154	0.465	0.051	81	2.4	5.1	1.17
2001	0.147	0.436	0.05	147	3.6	7.6	1.71
2002	0.141	0.448	0.045	143	3.5	7.5	1.66
2003	0.111	0.345	0.035	89	3.1	6.5	1.50
2004	0.088	0.258	0.03	75	3.1	6.3	1.50
2005	0.077	0.226	0.026	63	3.3	6.6	1.60
2006	0.066	0.186	0.023	62	3.8	7.9	1.88
2007	0.056	0.154	0.02	67	3.5	7.4	1.64
2008	0.049	0.138	0.017	39	2.1	4.5	0.97
2009	0.048	0.135	0.017	23	1.59	3.5	0.73
2010	0.059	0.181	0.019	34	1.78	4.2	0.75
2011	0.079	0.29	0.021	46	1.06	2.7	0.42
2012	0.078	0.293	0.021	13	0.52	1.33	0.20
2013	0.079	0.284	0.022	11	0.41	1.05	0.157
2014	0.091	0.343	0.024	10	0.41	1.05	0.157
2015	0.1	0.383	0.026	14	0.44	1.13	0.174
2016	0.105	0.396	0.028	13	0.34	0.91	0.124
2017	0.102	0.365	0.028	2	0.23	0.73	0.072
2018	0.092	0.297	0.028	2	0.185	0.63	0.054	0
2019	0.087	0.27	0.028	2	0.164	0.59	0.046	1
2020	0.088	0.266	0.029	2	0.153	0.59	0.040	1
2021	0.089	0.267	0.03	2	0.150	0.67	0.033	1
2022	0.097	0.302	0.031
Average	0.364	0.983	0.142	240	2.0	4.5	0.93	0.75

Fishing pressure

Stock size

2019

2020

2021

2020

2021

2022

Maximum sustainable yield

F_MSY

Appropriate

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