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Megrim (Lepidorhombus spp.) in Division 6.b (Rockall) (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.27.6b
Assessment Year:2022
Purpose:Advice
Assessment Key: 17605
Stock Key: 169139

Year	Relative Biomass	97.5%	2.5%	Landings	Discards	Relative fishing pressure	97.5%	2.5%

				tonnes	tonnes
1991	1.19	2.68	0.52	1045	209	1.25	2.3	0.68
1992	1.1	2.31	0.52	1073	215	1.33	2.2	0.78
1993	1.02	2.03	0.51	925	185	1.33	2.2	0.82
1994	0.96	1.83	0.51	1046	209	1.41	2.2	0.91
1995	0.89	1.64	0.49	816	163	1.41	2.1	0.93
1996	0.86	1.53	0.48	843	169	1.31	1.98	0.87
1997	0.83	1.42	0.48	1009	202	1.54	2.2	1.05
1998	0.75	1.25	0.46	1091	218	1.94	2.8	1.37
1999	0.66	1.05	0.41	866	173	2.0	2.8	1.44
2000	0.58	0.91	0.37	964	193	2.2	3.0	1.55
2001	0.49	0.74	0.33	824	165	2.6	3.5	1.86
2002	0.41	0.6	0.28	455	91	1.93	2.8	1.35
2003	0.4	0.58	0.28	632	126	1.82	2.7	1.24
2004	0.37	0.54	0.26	528	106	2.2	3.3	1.43
2005	0.34	0.52	0.23	382	87	1.79	3.1	1.04
2006	0.35	0.57	0.21	344	75	1.43	2.7	0.75
2007	0.37	0.68	0.2	106	22	1.17	2.5	0.55
2008	0.42	0.83	0.21	294	59	0.98	2.3	0.42
2009	0.47	1.01	0.22	226	44	0.76	1.92	0.30
2010	0.55	1.2	0.25	139	26	0.43	1.16	0.159
2011	0.66	1.43	0.3	155	7	0.28	0.77	0.101
2012	0.8	1.7	0.38	224	21	0.29	0.74	0.111
2013	0.95	1.95	0.46	278	15	0.33	0.81	0.133
2014	1.08	2.11	0.55	343	15	0.34	0.84	0.142
2015	1.19	2.23	0.64	453	85	0.43	0.97	0.188
2016	1.27	2.26	0.71	405	145	0.49	1.09	0.22
2017	1.32	2.26	0.78	586	233	0.58	1.27	0.27
2018	1.34	2.24	0.8	764	203	0.78	1.64	0.37
2019	1.31	2.16	0.8	757	34	0.76	1.64	0.35
2020	1.3	2.12	0.8	861	59	0.76	1.63	0.35
2021	1.28	2.06	0.8	566	65	0.67	1.44	0.31
Average	0.82	1.5	0.46	613	117	1.18	2.0	0.71

Fishing pressure

Stock size

2019

2020

2021

2019

2020

2021

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Increased risk

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable