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Thornback ray (Raja clavata) in Subarea 6 (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
DOI: 10.17895/ices.data.7138
Species: Raja clavata
Stock code: rjc.27.6
Assessment Year:2018
Purpose:Advice
Assessment Key: 9990
Stock Key: 169208

Year	Biomass index	High	Low	Landings

	kg/km2			tonnes
2005	3.74	7.63	-0.15
2006	5.92	9.35	2.49
2007	5.57	9.87	1.26
2008	7.61	12.47	2.76
2009	7.27	11.78	2.76	114
2010	17.95	32.15	3.76	120
2011	13.78	22.59	4.97	141
2012	22.9	42.5	3.3	181
2013	15.68	27.84	3.52	241
2014	12.85	24.31	1.38	236
2015	14.34	24.66	4.02	213
2016	23.37	43.11	3.63	260
2017	15.78	24.44	7.12	294
Average	12.83	22.52	3.14	200

Fishing pressure

Stock size

2015

2016

2017

2015

2016

2017

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

-

Decreasing