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Megrim (Lepidorhombus spp.) in Division 6.b (Rockall)
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DOI: 10.17895/ices.data.7014
Species: Lepidorhombus
Stock code: lez.27.6b
Assessment Year:2017
Purpose:Advice
Assessment Key: 9240
Stock Key: 169139

 
 
 
 
 
 
 
 
       

 



YearBiomass indexHighLowLandingsDiscardsF/FmsyHighLow
         
 tonnes  tonnestonnesratio   
1991   1045 0.793.60.173
1992   1073 0.853.30.22
1993   925 0.943.10.28
1994   1046 1.042.90.37
1995   816 1.102.70.45
1996   843 1.142.60.50
1997   1009 1.342.60.69
1998   1091 1.662.80.99
1999   866 1.853.01.15
2000   964 2.13.21.31
2001   824 2.33.81.40
2002   455 2.03.51.16
2003   632 1.973.61.08
2004   528 2.24.31.11
2005566111814382871.884.10.87
20069291308551344751.443.60.58
200712671601934294220.792.80.22
200817282531925294590.622.60.147
2009160519681241226440.632.50.158
2010199126021380139260.411.930.088
2011885110766315570.291.410.059
2012432065332107224210.281.190.067
2013303038162244278150.321.150.089
2014331847481888343150.361.190.109
2015326243362187453850.441.290.151
20164507631127044051450.521.400.194
2017299244891121  0.541.540.187
Average233832671381602501.102.70.51

 


 
 Fishing pressure Stock size
  201420152016  201520162017
Maximum sustainable yieldFMSYBelow MSY BtriggerAbove trigger
Precautionary approachFpa,FlimBelow potential reference points Bpa,BlimAbove potential reference points
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Not applicable -Decreasing