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Stock Assessment Graphs
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Thornback ray (Raja clavata) in Division 9.a (Atlantic Iberian waters)
Species:
Stock Assessment Graphs
Stock code:
rjc.27.9a
Assessment Year:
2020
Key:
13869
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
1990
0.945101394843391
1991
0.753021618738391
1992
1.07266854656951
1993
0.853097002325928
1994
0.373696940927302
1995
0.314163477722103
1996
0.374351431203055
1997
0.726447862255955
1998
0.498519442674684
1999
0.117293541664832
2000
0.64343219011571
2001
0.577570341637486
2002
0.4493984118197
2003
0.586341331077396
2004
0.432399276960034
2005
0.832245952234013
2006
0.672079836674798
2007
0.976996297311601
2008
0.591261650347479
2009
0.858997111159621
768.166
2010
1.02736218912898
725.305
2011
1.34992884733501
949.803
2012
1.18982024233991
764.466
2013
1.68408391033188
808.51
2014
1.2784365481048
799.902
2015
1.68575518751606
697.46526
2016
1.37168555298394
681.8854
2017
2.08290902394379
743.847
2018
1.98011444647909
805.5859389
2019
2.28299660260377
802.31039
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
Fishing Effort (Poly)
Smooth
Fishing Effort (Trawl)
Smooth
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
35468
36345.2348531312
6506
6227.22188566896
2009
35683
35295.0308011843
5680
5892.62567932369
2010
34135
34128.3107020609
5458
5565.09854455857
2011
36003
32856.2123037132
5132
5239.51375295568
2012
32382
31030.3632179236
5156
4977.17113742246
2013
27881
29173.033321005
4656
4770.20593735688
2014
25464
27394.4138531708
4466
4614.38306965833
2015
25635
26356.5818803658
4325
4502.34385412085
2016
24826
26059.4750931391
4592
4469.47589385424
2017
27133
26171.0161526043
4291
4494.20667669106
2018
27067
26326.3029050647
4653
4518.82383597653
2019
25776
26501.7743961091
4524
4547.86961297963
Sensivity data