ICES Marine Data
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: Dipturus intermedius
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 SSBMP  
FMP  
MSY approach MSYBtrigger  
FMSY  
Precautionary approach Blim  
Bpa  
Flim  
Fpa  
       
Age and Length      
       
Recruitment 0  
F  
       
       
 
Fish data
YearSSBLandings
19910.720887039480361 
19920 
19930.209580838323353 
19940 
19950 
19960.398203592814371 
19970 
19980.252704759971582 
19992.25857099360601 
20000 
20010 
20021.41264589465138 
20030 
20040 
20050.45795189282452 
20060.0474576271186441 
20070.964071856287425 
20080.600324774180453 
20090.580929666091546 
20100.94311377245509 
20111.54066781690856 
20123.064498122399273.651
20133.30285192327212.87602
20142.009347406881150.27701
20151.398294935552621.019
20162.614361108291892.424
20172.524632091748710.79886
20182.698903887140970.713
 
 
 
 
Custom reference points
CustomRefPointNameCustomRefPointValueCustomRefPointNotes
custom1  
custom2  
custom3  
custom4  
custom5  
 
Custom fish data column names
CustomName1CustomName2
IBTS-Q1IBTS-Q3
 
Custom fish data
YearCustom1Custom2
19911.299401197604790.142372881355932
199200
19930.4191616766467070
199400
199500
19960.7964071856287420
199700
19980.1257485029940120.379661016949153
19990.2934131736526954.22372881355932
200000
200100
20020.1676646706586832.65762711864407
200300
200400
20050.2514970059880240.664406779661017
200600.0949152542372881
20071.928143712574850
20080.2514970059880240.949152542372881
20090.5449101796407190.616949152542373
20101.886227544910180
20112.179640718562870.901694915254237
20121.383233532934134.74576271186441
20133.520958083832343.08474576271186
20141.550898203592812.46779661016949
20152.179640718562870.616949152542373
20162.808383233532932.42033898305085
20172.011976047904193.03728813559322
20184.401197604790420.996610169491525
 
 
 
 
Sensivity data