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Stock Assessment Graphs
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Spotted ray (Raja montagui) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak, Kattegat, and eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
rjm.27.3a47d
Assessment Year:
2021
Key:
16733
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Stock size description
B_index
Stock size units
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
Discards
1991
0.194285
1992
0.164625
1993
0.18988
1994
0.284045
1995
0.29889
1996
0.11559
1997
0.083825
1998
0.11017
1999
0.287795
2000
0.055345
2001
0.058725
2002
0.090275
2003
0.123465
2004
0.134635
2005
0.26631
2006
0.1155
2007
0.58062
2008
0.56411
2009
0.47834
390.3353
10.914
2010
0.70339
305.81196
283.421
2011
0.673035
263.2239
388.87754
2012
0.81791
297.74833
277.86933
2013
0.6547
286.22571
317.89684
2014
1.105405
214.03563
417.06267
2015
0.915815
225.25
340.21897
2016
0.854615
223.222
619.05536
2017
0.66897
259.1769
982.31544
2018
1.01902
354.95869
1203.83987
2019
1.119605
342.80106
556.09692
2020
0.639335
174.88246
555.1196
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
IBTS-Q1-Q3
Custom fish data
Year
Custom1
1991
0.194285
1992
0.164625
1993
0.18988
1994
0.284045
1995
0.29889
1996
0.11559
1997
0.083825
1998
0.11017
1999
0.287795
2000
0.055345
2001
0.058725
2002
0.090275
2003
0.123465
2004
0.134635
2005
0.26631
2006
0.1155
2007
0.58062
2008
0.56411
2009
0.47834
2010
0.70339
2011
0.673035
2012
0.81791
2013
0.6547
2014
1.105405
2015
0.915815
2016
0.854615
2017
0.66897
2018
1.01902
2019
1.119605
2020
0.639335
Sensivity data