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Thornback ray (Raja clavata) in divisions 7.a and 7.f-g (Irish Sea, Bristol Channel, Celtic Sea North)
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Species: Raja clavata
Stock code: rjc.27.7afg
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19154
Stock Key: 169204

 
 
 
 
 
 
 
 
       

 



YearBiomass index 97.5%2.5%Landings
     
 kilogram per hour  tonnes
19931.262.240.49 
19941.382.210.73 
19952.173.431.08 
19961.742.670.97 
19971.722.810.8 
19982.233.351.32 
19991.872.871.07 
20001.171.820.6 
20011.892.920.97 
20021.822.641.04 
20032.053.011.18 
20044.378.531.87 
20051.692.550.96379
20061.812.920.94264
20071.472.290.79238
20082.063.161.17713
20092.623.631.64671
20102.583.551.68780
20111.792.541.1944
20121.932.631.251165
20133.264.52.11048
20143.424.822.23790
20152.183.171.35903
20164.646.453.07861
20175.477.293.85878
20186.799.424.67840
20196.969.364.95960
2020   909
20217.429.395.47972
20226.959.254.961005
20238.3810.676.11872
Average3.174.542.01800

 


 
 Fishing pressure Stock size
  202120222023  202120222023
Maximum sustainable yieldFMSYAbove MSY BtriggerAbove
Precautionary approachFpa,FlimUndefined Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Not applicable -Not applicable