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Norway lobster (Nephrops norvegicus) in Division 9.a, functional units 26 and 27 (Atlantic Iberian waters East, western Galicia, northern Portugal) (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.2627
Assessment Component:
Assessment Year:2025
Purpose:Advice
Assessment Key: 19587
Stock Key: 169158

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

	ratio			tonnes	tonnes	ratio
1975	0.883	1.37	0.569	622		1.42	3.1	0.65
1976	0.867	1.337	0.562	603		1.41	2.6	0.78
1977	0.851	1.307	0.555	620		1.43	2.6	0.79
1978	0.836	1.277	0.547	575		1.42	2.6	0.79
1979	0.823	1.252	0.541	580		1.42	2.6	0.78
1980	0.808	1.225	0.533	599		1.51	2.7	0.83
1981	0.785	1.185	0.52	823		1.92	3.2	1.14
1982	0.742	1.113	0.495	736		2.1	3.4	1.31
1983	0.704	1.051	0.472	786		2.2	3.5	1.37
1984	0.662	0.984	0.446	617		2.0	3.3	1.27
1985	0.635	0.943	0.428	746		2.1	3.4	1.31
1986	0.594	0.88	0.401	692		2.4	3.9	1.51
1987	0.555	0.821	0.375	741		2.6	4.2	1.58
1988	0.508	0.751	0.344	727		2.9	4.7	1.79
1989	0.459	0.677	0.311	665		3.1	5.1	1.94
1990	0.416	0.613	0.282	450		2.5	4.1	1.53
1991	0.393	0.586	0.264	569		2.5	4.1	1.50
1992	0.356	0.534	0.238	636		3.5	5.8	2.1
1993	0.308	0.461	0.205	522		3.8	6.3	2.3
1994	0.268	0.403	0.178	450		3.5	5.8	2.1
1995	0.233	0.353	0.154	511		4.3	7.2	2.6
1996	0.192	0.29	0.127	331		4.1	6.9	2.5
1997	0.165	0.251	0.108	433		4.5	7.7	2.7
1998	0.126	0.191	0.083	344		6.4	10.6	3.8
1999	0.093	0.138	0.063	246		6.4	10.5	3.9
2000	0.071	0.103	0.048	132		4.7	7.7	2.9
2001	0.059	0.086	0.041	132		4.5	7.2	2.8
2002	0.048	0.069	0.033	87		4.5	7.1	2.8
2003	0.041	0.059	0.029	73		3.7	5.9	2.3
2004	0.035	0.051	0.025	71		4.3	6.7	2.7
2005	0.03	0.042	0.021	43		3.6	5.6	2.3
2006	0.027	0.039	0.019	44		3.1	4.9	1.94
2007	0.024	0.034	0.017	47		3.9	6.1	2.5
2008	0.02	0.029	0.014	42		4.4	7.0	2.8
2009	0.017	0.024	0.011	37		4.8	7.6	3.0
2010	0.013	0.021	0.009	26		4.5	7.4	2.8
2011	0.011	0.019	0.007	19		4.1	7.1	2.4
2012	0.01	0.018	0.006	7		2.2	4.1	1.20
2013	0.01	0.019	0.005	3		0.78	1.52	0.40
2014	0.011	0.02	0.006	3		0.57	1.10	0.29
2015	0.011	0.021	0.006	2		0.39	0.77	0.198
2016	0.012	0.023	0.007	5		0.52	1.04	0.26
2017	0.013	0.025	0.007	3		0.67	1.35	0.33
2018	0.014	0.027	0.007	2		0.30	0.63	0.141
2019	0.015	0.03	0.007	7		0.50	1.07	0.23
2020	0.015	0.032	0.007	5		0.86	1.91	0.39
2021	0.016	0.035	0.007	4		0.52	1.23	0.22
2022	0.017	0.04	0.008	4		0.45	1.10	0.184
2023	0.018	0.044	0.008	5		0.49	1.26	0.191
2024	0.02	0.05	0.008	3	1	0.52	1.42	0.189
2025	0.021	0.057	0.008
Average	0.272	0.412	0.18	309	1	2.6	4.4	1.57

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

Harvested unsustainably

B_pa,B_lim

Reduced reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable