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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)	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:2021
Purpose:Advice
Assessment Key: 15630
Stock Key: 169158

Year	Relative Biomass	97.5%	2.5%	Total	Relative Fishing Pressure	97.5%	2.5%
				Catch
				tonnes	ratio
1975	0.909	1.424	0.581	622	1.35	2.5	0.72
1976	0.893	1.389	0.574	603	1.37	2.6	0.73
1977	0.878	1.357	0.568	620	1.36	2.5	0.73
1978	0.863	1.327	0.562	575	1.35	2.5	0.72
1979	0.851	1.302	0.556	580	1.42	2.7	0.76
1980	0.838	1.276	0.55	599	1.82	3.2	1.04
1981	0.815	1.235	0.538	823	2.00	3.3	1.20
1982	0.77	1.158	0.513	736	2.1	3.5	1.26
1983	0.732	1.093	0.49	786	1.94	3.2	1.17
1984	0.689	1.023	0.464	617	2.0	3.4	1.22
1985	0.662	0.982	0.447	746	2.3	3.9	1.41
1986	0.619	0.914	0.419	692	2.4	4.1	1.46
1987	0.579	0.853	0.393	741	2.7	4.5	1.64
1988	0.531	0.781	0.361	727	3.1	5.1	1.86
1989	0.481	0.704	0.328	665	2.4	4.0	1.45
1990	0.432	0.632	0.296	450	2.4	4.1	1.42
1991	0.41	0.607	0.278	569	3.5	5.9	2.1
1992	0.369	0.548	0.249	636	3.6	6.1	2.1
1993	0.318	0.472	0.215	522	3.3	5.6	1.93
1994	0.278	0.414	0.186	450	4.1	7.0	2.4
1995	0.243	0.365	0.162	511	3.9	6.7	2.3
1996	0.199	0.299	0.133	331	4.3	7.5	2.5
1997	0.172	0.261	0.113	433	6.0	10.3	3.5
1998	0.132	0.198	0.088	344	6.1	10.2	3.7
1999	0.097	0.142	0.066	246	4.5	7.4	2.8
2000	0.073	0.104	0.051	132	4.3	7.0	2.6
2001	0.061	0.087	0.043	132	4.3	6.9	2.7
2002	0.05	0.07	0.035	87	3.5	5.7	2.2
2003	0.043	0.06	0.03	73	4.1	6.5	2.5
2004	0.037	0.052	0.026	71	3.4	5.4	2.1
2005	0.031	0.043	0.022	43	2.9	4.7	1.78
2006	0.028	0.04	0.02	44	3.6	5.9	2.2
2007	0.025	0.036	0.018	47	4.1	6.7	2.5
2008	0.021	0.031	0.015	42	4.4	7.4	2.7
2009	0.018	0.027	0.012	37	4.1	7.1	2.4
2010	0.015	0.023	0.009	26	3.7	6.9	1.96
2011	0.013	0.022	0.007	19	1.95	4.0	0.96
2012	0.011	0.022	0.006	7	0.67	1.43	0.31
2013	0.012	0.023	0.006	3	0.48	1.05	0.22
2014	0.012	0.025	0.006	3	0.32	0.72	0.144
2015	0.013	0.028	0.007	2	0.43	0.98	0.186
2016	0.015	0.031	0.007	5	0.54	1.29	0.23
2017	0.016	0.035	0.007	3	0.23	0.60	0.091
2018	0.017	0.04	0.007	2	0.39	1.04	0.145
2019	0.019	0.046	0.008	7	0.65	1.87	0.23
2020	0.02	0.053	0.008	5	0.43	1.42	0.128
2021	0.021	0.062	0.007
Average	0.305	0.462	0.202	335	2.6	4.5	1.53

Fishing pressure

Stock size

2018

2019

2020

2019

2020

2021

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Below

B_pa,B_lim

Reduced reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable