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Thornback ray (Raja clavata) in Subarea 8 (Bay of Biscay)
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DOI: 10.17895/ices.data.10202
Species: Raja clavata
Stock code: rjc.27.8
Assessment Year:2020
Purpose:Advice
Assessment Key: 13822
Stock Key: 169205

 
 
 
 
 
 
 
 
       

 



YearBiomass indexLandings
   
 Kilograms per hourtonnes
19990.63 
20000.65 
20013.92 
20020.66 
20030.39 
20040.73 
20050.65 
20060.73 
20071 
20081.12 
20090.54333
20100.68432
20110.65424
20120.75451
20131.41483
20141.03489
20150.93416
20161.05373
20171.5369
20181.16529
20191.05513
Average1.01437

 


 
 Fishing pressure Stock size
  201720182019  201720182019
Maximum sustainable yieldFMSYUnknown MSY BtriggerUndefined
Precautionary approachFpa,FlimUnknown Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Unknown -Decreasing