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Undulate ray (Raja undulata) in divisions 7.d and 7.e (English Channel) (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: Raja undulata
Stock code: rju.27.7de
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19173
Stock Key: 169232

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

				tonnes	tonnes
1990	0.23	0.49	0.11			2.1	5.5	0.80
1991	0.22	0.49	0.1			2.1	5.0	0.91
1992	0.21	0.5	0.09			2.2	4.8	1.01
1993	0.21	0.51	0.09			2.3	4.8	1.12
1994	0.2	0.51	0.08			2.5	5.2	1.22
1995	0.19	0.47	0.07			2.7	5.8	1.26
1996	0.16	0.4	0.07			2.6	5.7	1.22
1997	0.15	0.35	0.06			2.4	5.1	1.14
1998	0.14	0.34	0.06			2.3	5.0	1.03
1999	0.14	0.32	0.06			2.1	5.0	0.92
2000	0.13	0.3	0.06			1.92	4.7	0.79
2001	0.13	0.3	0.06			1.70	4.3	0.67
2002	0.14	0.31	0.06			1.48	3.9	0.57
2003	0.14	0.33	0.06			1.29	3.5	0.47
2004	0.16	0.36	0.07			1.14	3.3	0.39
2005	0.18	0.4	0.08	919		1.00	3.2	0.31
2006	0.2	0.47	0.09	770		0.78	2.8	0.22
2007	0.24	0.57	0.1	741		0.59	2.2	0.161
2008	0.28	0.7	0.11	634		0.36	1.37	0.095
2009	0.32	0.74	0.13	21	200	0.152	0.61	0.038
2010	0.37	0.87	0.16	9	231	0.129	0.50	0.033
2011	0.45	1.04	0.19	20	274	0.132	0.50	0.035
2012	0.53	1.19	0.23	6	302	0.119	0.45	0.031
2013	0.63	1.41	0.28	3	317	0.102	0.38	0.027
2014	0.75	1.63	0.34	10	283	0.083	0.32	0.022
2015	0.89	1.93	0.41	55	442	0.108	0.39	0.030
2016	1.06	2.31	0.49	84	463	0.107	0.40	0.029
2017	1.22	2.61	0.57	139	473	0.104	0.39	0.028
2018	1.35	2.81	0.65	143	480	0.098	0.37	0.026
2019	1.49	3.04	0.73	244	456	0.099	0.37	0.026
2020	1.6	3.19	0.81	225	446	0.091	0.34	0.024
2021	1.66	3.11	0.89	205	433	0.084	0.32	0.022
2022	1.71	3.01	0.97	233	509	0.096	0.37	0.025
2023	1.76	2.96	1.04	963	151	0.134	0.51	0.035
2024	1.83	3.04	1.1
Average	0.6	1.23	0.3	285	364	1.04	2.6	0.43

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

Increased risk

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable