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Witch (Glyptocephalus cynoglossus) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak and Kattegat, eastern English Channel)
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DOI: 10.17895/ices.data.6963
Species: Glyptocephalus cynoglossus
Stock code: wit.27.3a47d
Assessment Year:2017
Purpose:Advice
Assessment Key: 8983
Stock Key: 169309

 
 
 
 
 
 
 
 
       

 



YearLandingsDiscardsIBTS Q1IBTS Q3
     
 tonnestonneskg/hkg/h
19751841   
19761496   
19771618   
19781664   
19791572   
19801883   
19811933   
19823155   
19833606   
19843903   
19853979   
19863579   
19873700   
19883290   
19893841   
19903862   
19913641 0.10.115
19923164 0.3890.119
19932673 0.2780.062
19942696 0.0860.081
19952810 0.2480.126
19962790 0.0890.1
19973494 0.2510.17
19983786 0.2480.085
19994024 0.1940.116
20004422 0.2420.041
20014206 0.1280.112
20023640 0.1570.088
20033281 0.1210.051
20043029 0.1180.076
20052813 0.1440.055
20062303 0.0550.082
20072236 0.0840.118
20081953 0.1090.057
20091818 0.0640.053
20101490 0.0440.064
20111530 0.0480.093
201219535920.090.129
201320202520.0840.128
201426692810.2890.079
201522384100.1880.124
201627394480.1280.13
Average28183970.1530.094

 


 
 Fishing pressure Stock size
  201420152016  201520162017
Maximum sustainable yieldFMSY proxyBelow MSY Btrigger proxyAbove trigger
Precautionary approachFpa,FlimBelow possible reference points Bpa,BlimAbove possible reference points
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-- --