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Thornback ray (Raja clavata) in Subarea 6 (West of Scotland)
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Species:
Raja clavata
Stock code:
rjc.27.6
Assessment Year:
2022
Purpose:
Advice
Assessment Key:
17448
Stock Key:
169208
Year
Biomass Index
97.5%
2.5%
Landings
kilogram per square kilometer
tonnes
2005
3.74
7.64
-0.15
2006
5.92
9.36
2.48
2007
5.57
9.88
1.26
2008
7.61
12.47
2.76
2009
7.27
11.79
2.75
114
2010
17.95
32.16
3.74
120
2011
13.78
22.61
4.96
141
2012
22.9
42.51
3.28
181
2013
15.68
27.85
3.51
241
2014
12.85
24.32
1.37
236
2015
14.34
24.67
4.01
213
2016
23.37
43.12
3.62
260
2017
15.77
24.44
7.09
294
2018
16.22
26.67
5.76
337
2019
16.16
28.67
3.66
416
2020
3.89
6.51
1.26
315
2021
11.84
20.78
2.91
267
Average
12.64
22.09
3.19
241
Fishing pressure
Stock size
2019
2020
2021
2019
2020
2021
Maximum sustainable yield
F
MSY proxy
Above
MSY B
trigger proxy
Above
Precautionary approach
F
pa
,F
lim
Unknown
B
pa
,B
lim
Undefined
Management plan
F
MGT
Not applicable
B
MGT
Not applicable