ICES Marine Data
Stock Assessment Graphs
 
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Thornback ray (Raja clavata) in divisions 8.a-b and 8.d (Bay of Biscay)
Species: Stock Assessment Graphs
Stock code: rjc.27.8abd
Assessment Year: 2024
Key: 19105
   
   
Unit weights tonnes
Unit recruitment thousands
Fishing pressure description F
Fishing pressure units ratio
Stock size description B/Bmsy
Stock size units tonnes
       
Fish reference points      
       
Management plan SSBMP  
FMP  
MSY approach MSYBtrigger 0.5  
FMSY 1  
Precautionary approach Blim 0.3  
Bpa  
Flim 1.7  
Fpa  
       
Age and Length      
       
Recruitment 0  
F  
       
       
 
Fish data
YearLow SSBSSBHigh SSBLandingsLow FFHigh F
20090.1450.3040.5122390.931.814.76
20100.060.1790.4032461.413.1310.57
20110.0990.2470.4622171.011.996.01
20120.0880.2270.4522271.152.266.88
20130.0940.2230.4572441.252.436.92
20140.1090.2620.5152411.082.065.92
20150.1230.3020.5922661.021.995.73
20160.0990.2880.6332110.771.675.55
20170.1290.3650.7522320.691.444.71
20180.1580.4610.8832730.661.364.84
20190.230.5410.9912660.561.13.42
20200.2150.5771.0722660.511.063.41
20210.3220.7051.2053050.490.992.92
20220.3720.7911.3063450.4912.83
20230.4150.8431.3883640.470.992.85
20240.4210.8791.429    
 
 
 
 
Custom reference points
CustomRefPointNameCustomRefPointValueCustomRefPointNotes
MSY Btrigger0.5 
Blim0.3 
custom3  
custom4  
custom5  
 
Custom fish data column names
CustomName4CustomName5CustomName6
Index lowerBiomass indexIndex higher
 
Custom fish data
YearCustom4Custom5Custom6
20098.97101.95223.65
20109282.73717.6
20115.14165.95372.2
201212.23155.67352.4
201316.47204.72492.48
20140257.08565.95
20159.36173.32414.03
201636.28247.34535.98
2017   
201880.42637.591387.43
201936.21303.72758.81
2020155.067761632.19
2021221.45691.761439.29
2022283.68745.441300.68
2023486.451034.021673.82
2024   
 
 
 
 
Sensivity data