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Megrim (Lepidorhombus spp.) in divisions 4.a and 6.a (northern North Sea, West of Scotland) (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: Lepidorhombus
Stock code: lez.27.4a6a
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 18941
Stock Key: 169138

Year	B/Bmsy	97.5%	2.5%	Landings	Discards	F/Fmsy	97.5%	2.5%

	tonnes			tonnes	tonnes	ratio
1985	2.39	3.71	1.3	4499	1928	0.65	1.10	0.37
1986	1.64	2.24	1.08	2858	1193	0.52	0.77	0.33
1987	1.55	2.04	1.1	4614	1874	0.92	1.31	0.55
1988	1.42	2.01	1.02	5212	2061	1.14	1.65	0.62
1989	1.16	1.58	0.83	3451	1327	0.86	1.25	0.50
1990	1.06	1.43	0.75	3047	1140	0.81	1.20	0.47
1991	1	1.3	0.7	3310	1204	0.93	1.42	0.56
1992	1.05	1.37	0.72	3574	1263	0.96	1.43	0.57
1993	1.12	1.53	0.79	3802	1305	0.96	1.41	0.55
1994	1.21	1.73	0.82	3900	1300	0.91	1.36	0.50
1995	1.24	1.8	0.87	4670	1511	1.09	1.62	0.60
1996	1.2	1.77	0.84	5253	1649	1.28	1.92	0.68
1997	1.02	1.38	0.73	4856	1478	1.36	1.97	0.76
1998	0.96	1.35	0.68	4253	1254	1.23	1.81	0.65
1999	0.93	1.36	0.64	3759	1074	1.11	1.66	0.57
2000	0.87	1.23	0.6	3494	966	1.07	1.61	0.57
2001	0.81	1.12	0.56	3571	956	1.17	1.80	0.64
2002	0.83	1.2	0.57	2803	725	0.86	1.33	0.46
2003	0.87	1.25	0.59	2369	592	0.68	1.04	0.36
2004	0.88	1.22	0.62	2067	499	0.57	0.86	0.33
2005	0.91	1.19	0.66	1527	356	0.40	0.61	0.25
2006	1.03	1.32	0.77	2054	461	0.48	0.73	0.30
2007	1.2	1.54	0.89	2348	508	0.48	0.71	0.29
2008	1.32	1.7	0.97	2894	602	0.54	0.82	0.34
2009	1.43	1.85	1.05	2871	574	0.49	0.73	0.30
2010	1.46	1.9	1.11	3197	614	0.54	0.77	0.33
2011	1.49	1.91	1.1	2738	526	0.45	0.65	0.28
2012	1.63	2.13	1.23	2524	449	0.38	0.54	0.24
2013	1.85	2.52	1.37	2737	327	0.35	0.52	0.22
2014	1.85	2.45	1.37	2500	309	0.32	0.46	0.196
2015	1.7	2.17	1.28	2340	159	0.30	0.44	0.199
2016	1.79	2.28	1.39	2744	167	0.34	0.48	0.22
2017	1.93	2.61	1.43	2594	193	0.31	0.45	0.189
2018	1.73	2.21	1.34	3087	255	0.40	0.57	0.26
2019	1.59	2.01	1.19	3197	184	0.44	0.63	0.29
2020	1.59	2.12	1.17	3315	214	0.46	0.67	0.29
2021	1.57	2	1.2	3603	200	0.51	0.73	0.32
2022	1.55	2.01	1.12	2420	87	0.33	0.50	0.20
2023	1.47	1.9	1.09	2352	114	0.34	0.51	0.21
2024	1.48	2.03	0.98
Average	1.34	1.81	0.96	3241	810	0.69	1.03	0.40

Fishing pressure

Stock size

2021

2022

2023

2022

2023

2024

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable