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Thornback ray (Raja clavata) in Subarea 6 (West of Scotland)
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DOI: 10.17895/ices.data.10195
Species: Raja clavata
Stock code: rjc.27.6
Assessment Year:2020
Purpose:Advice
Assessment Key: 13775
Stock Key: 169208

 
 
 
 
 
 
 
 
       

 



YearBiomass Index97.5%2.5%Landings
     
 kilogram per square kilometer  tonnes
20053.747.64-0.15 
20065.929.352.48 
20075.579.881.26 
20087.6112.472.76 
20097.2711.792.75114
201017.9532.163.75120
201113.7822.64.96141
201222.942.513.29181
201315.6827.853.52241
201412.8524.321.38236
201514.3424.674.01213
201623.3743.123.62260
201715.7724.447.1294
201816.2226.665.77337
201916.1628.663.67416
Average13.2823.213.34232

 


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