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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:2021
Purpose:Advice
Assessment Key: 14458
Stock Key: 169157

Year	B/Bmsy	97.5%	2.5%	Catches	F/Fmsy	97.5%	2.5%

				tonnes	ratio
1975	1.149	1.874	0.705	743	2.2	4.9	0.96
1976	1.029	1.855	0.571	578	2.00	4.1	0.98
1977	0.986	1.945	0.499	828	2.3	4.6	1.11
1978	0.914	1.97	0.424	706	2.7	5.5	1.29
1979	0.787	1.726	0.359	475	2.3	4.8	1.09
1980	0.728	1.643	0.323	532	2.2	4.7	1.05
1981	0.658	1.49	0.291	318	1.93	4.1	0.91
1982	0.636	1.441	0.28	431	1.87	3.9	0.90
1983	0.63	1.451	0.273	433	2.2	4.4	1.09
1984	0.614	1.437	0.262	515	2.4	4.6	1.24
1985	0.625	1.599	0.245	477	2.5	4.9	1.32
1986	0.583	1.504	0.226	364	2.3	4.5	1.21
1987	0.564	1.491	0.213	412	2.3	4.5	1.17
1988	0.547	1.487	0.201	445	2.5	4.9	1.28
1989	0.511	1.407	0.185	405	2.7	5.2	1.37
1990	0.451	1.178	0.172	335	2.5	4.9	1.28
1991	0.464	1.344	0.161	453	2.7	5.4	1.33
1992	0.461	1.55	0.137	428	3.0	6.6	1.39
1993	0.415	1.5	0.115	274	2.6	6.2	1.10
1994	0.365	1.292	0.103	246	2.3	5.5	0.94
1995	0.338	1.248	0.092	275	2.5	6.1	1.00
1996	0.304	1.208	0.076	209	2.6	6.7	0.99
1997	0.249	0.942	0.066	219	2.9	7.1	1.17
1998	0.183	0.579	0.058	103	2.5	5.6	1.11
1999	0.159	0.469	0.054	124	2.3	4.8	1.11
2000	0.142	0.398	0.05	81	2.2	4.5	1.11
2001	0.135	0.373	0.049	147	2.6	5.1	1.33
2002	0.127	0.381	0.042	143	3.7	7.5	1.87
2003	0.1	0.292	0.034	89	3.6	7.1	1.79
2004	0.081	0.219	0.03	75	3.2	6.2	1.63
2005	0.071	0.191	0.027	63	3.1	6.0	1.61
2006	0.062	0.159	0.024	62	3.3	6.3	1.71
2007	0.053	0.134	0.021	67	3.8	7.4	1.96
2008	0.047	0.12	0.018	39	3.3	6.6	1.62
2009	0.045	0.118	0.017	23	1.97	4.0	0.96
2010	0.054	0.157	0.019	32	1.63	3.4	0.78
2011	0.069	0.255	0.019	46	1.88	4.4	0.80
2012	0.069	0.26	0.018	9	1.03	2.6	0.40
2013	0.07	0.251	0.019	11	0.54	1.40	0.21
2014	0.079	0.301	0.021	10	0.43	1.12	0.164
2015	0.088	0.336	0.023	14	0.44	1.14	0.170
2016	0.093	0.346	0.025	13	0.46	1.17	0.183
2017	0.092	0.315	0.027	2	0.34	0.94	0.124
2018	0.087	0.259	0.029	2	0.24	0.78	0.073
2019	0.086	0.241	0.031	2	0.195	0.71	0.054
2020	0.09	0.25	0.033	2	0.176	0.71	0.044
2021	0.097	0.276	0.034		0.171	0.80	0.036
Average	0.344	0.878	0.143	245	2.1	4.4	1.00

Fishing pressure

Stock size

2019

2020

2021

2019

2020

2021

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Below possible reference points

B_pa,B_lim

Undefined

Management plan

F_MGT

Not applicable

B_MGT

Not applicable