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Stock Assessment Graphs
Stock assessment graphs
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Common skate complex (Blue skate (Dipturus batis) and flapper skate (Dipturus intermedius) in Subarea 4 and Division 3.a (North Sea, Skagerrak and Kattegat)
Species:
Stock Assessment Graphs
Stock code:
rjb.27.3a4
Assessment Year:
2019
Key:
13018
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Year-1
Stock size description
Biomass 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
1991
0.720887039480361
1992
0
1993
0.209580838323353
1994
0
1995
0
1996
0.398203592814371
1997
0
1998
0.252704759971582
1999
2.25857099360601
2000
0
2001
0
2002
1.41264589465138
2003
0
2004
0
2005
0.45795189282452
2006
0.0474576271186441
2007
0.964071856287425
2008
0.600324774180453
2009
0.580929666091546
2010
0.94311377245509
2011
1.54066781690856
2012
3.06449812239927
3.651
2013
3.3028519232721
2.87602
2014
2.00934740688115
0.27701
2015
1.39829493555262
1.019
2016
2.61436110829189
2.424
2017
2.52463209174871
0.79886
2018
2.69890388714097
0.713
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
IBTS-Q1
IBTS-Q3
Custom fish data
Year
Custom1
Custom2
1991
1.29940119760479
0.142372881355932
1992
0
0
1993
0.419161676646707
0
1994
0
0
1995
0
0
1996
0.796407185628742
0
1997
0
0
1998
0.125748502994012
0.379661016949153
1999
0.293413173652695
4.22372881355932
2000
0
0
2001
0
0
2002
0.167664670658683
2.65762711864407
2003
0
0
2004
0
0
2005
0.251497005988024
0.664406779661017
2006
0
0.0949152542372881
2007
1.92814371257485
0
2008
0.251497005988024
0.949152542372881
2009
0.544910179640719
0.616949152542373
2010
1.88622754491018
0
2011
2.17964071856287
0.901694915254237
2012
1.38323353293413
4.74576271186441
2013
3.52095808383234
3.08474576271186
2014
1.55089820359281
2.46779661016949
2015
2.17964071856287
0.616949152542373
2016
2.80838323353293
2.42033898305085
2017
2.01197604790419
3.03728813559322
2018
4.40119760479042
0.996610169491525
Sensivity data