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Stock Assessment Graphs
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Thornback ray (Raja clavata) in Subarea 8 (Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
rjc.27.8
Assessment Year:
2020
Key:
13822
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Stock size description
B_index
Stock size units
Kilograms per hour
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
SSB
Landings
1999
0.630472682080264
2000
0.65488896158119
2001
3.9201363753397
2002
0.661499908146279
2003
0.391327420184502
2004
0.731964354569587
2005
0.653905783684852
2006
0.72513975566444
2007
1.00052828303023
2008
1.12305201868227
2009
0.539047797925085
332.64707
2010
0.67518331322143
432.16602
2011
0.652550808836295
423.78554
2012
0.751521153134146
450.93578
2013
1.41209297594918
482.59745
2014
1.03255722336104
488.82478
2015
0.929128641982339
415.77154
2016
1.05456231713205
372.613427
2017
1.49684204507536
368.54766
2018
1.16480385781998
529
2019
1.04721534513747
513
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data