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Thornback ray (Raja clavata) in Division 9.a (Atlantic Iberian waters)
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DOI: 10.17895/ices.data.7163
Species: Raja clavata
Stock code: rjc.27.9a
Assessment Year:2018
Purpose:Advice
Assessment Key: 10075
Stock Key: 169207

 
 
 
 
 
 
 
 
       

 



YearBiomass indexLandingsDiscards
    
 NAtonnestonnes
19900.98  
19910.78  
19921.11  
19930.92  
19940.4  
19950.33  
19960.43  
19970.76  
19980.54  
19990.13  
20000.68  
20010.62  
20020.49  
20030.64  
20040.49  
20050.89  
20060.73  
20071.05  
20080.63  
20090.91768 
20101.11725 
20111.46950 
20121.32764 
20131.83809 
20141.4800 
20151.8369731
20161.4768243
20172.267447
Average0.9477127

 


 
 Fishing pressure Stock size
  201520162017  201520162017
Maximum sustainable yieldFMSYUnknown MSY BtriggerUndefined
Precautionary approachFpa,FlimUnknown Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Unknown -Increasing