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Blonde ray (Raja brachyura) in divisions 4.c and 7.d (southern North Sea and eastern 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 brachyura
Stock code: rjh.27.4c7d
Assessment Year:2021
Purpose:Advice
Assessment Key: 15669
Stock Key: 169213

Year	Biomass Index	97.5%	2.5%	Landings

	tonnes			tonnes
1988	0	0	0
1989	0.047	0.207	0
1990	0	0	0
1991	0	0	0
1992	0	0	0
1993	0	0	0
1994	0.013	0.042	0
1995	0.123	0.301	0
1996	0	0	0
1997	0.061	0.258	0
1998	0.147	0.437	0
1999	0.082	0.189	0
2000	0.013	0.043	0
2001	0.1	0.246	0
2002	0.085	0.196	0.009
2003	0.232	0.512	0
2004	0.023	0.073	0
2005	0	0	0
2006	0.088	0.205	0
2007	0.295	0.701	0.019
2008	0.009	0.03	0
2009	0.219	0.637	0	158
2010	0.123	0.448	0	133
2011	0.238	0.63	0	144
2012	0.731	2.186	0	194
2013	0.155	0.388	0.009	239
2014	0.661	1.463	0.111	181
2015	0.6	2	0.014	191
2016	0.645	1.776	0	147
2017	0.678	1.519	0.11	199
2018	0.464	1.297	0.01	251
2019	0.709	1.693	0.041	252
2020				241
Average	0.204	0.546	0.01	194

Fishing pressure

Stock size

2018

2019

2020

2017

2018

2019

Maximum sustainable yield

F_MSY

Unknown

MSY B_trigger

Undefined

Precautionary approach

F_pa,F_lim

Unknown

B_pa,B_lim

Undefined

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Unknown

-

Increasing