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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 9 (central North Sea, Moray Firth)
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Species: Nephrops norvegicus
Stock code: nep.fu.9
Assessment Year:2021
Purpose:Advice
Assessment Key: 16835
Stock Key: 169170

 
 
 
 
 
 
 
 
       

 



YearStock sizeMean + 2*SDMean - 2*SDLandingsDiscardsFishing pressureMean + 2*SDMean - 2*SD
         
 Number of individuals (fisheries)  tonnestonnes%   
19933454232671809214273422
1994702878526153715311.415.29.1
1995   1279502   
19964655553751451492212617.7
19972623172071447230334227
199832341822810328918.12513.9
199940048731310095512.816.310.5
20003864842881539269202716.1
2001345457233140112519.32814.4
2002521642400113222011.715.39.5
200373010444161080707.112.55.0
2004626812440133327210.515.08.1
2005869106767116051228.811.37.1
20064455693211805117202815.8
200753168737518439516.02312.4
200848163233015157413.72010.4
200941555527510673311.617.58.6
2010406521291106310411.516.29.0
2011372533211139110218.93313.1
20122993892098665413.719.610.5
2013469575363623105.87.44.7
201433142124112538714.72011.6
2015347431263816569.112.27.4
201638847530111469512.716.310.3
201741251830611431210.514.18.3
20184175432911397411.716.89.0
201937652223013561014.82410.7
2020   963177.410.35.7
2021658811505     
Average456.33583.93328.74128213214.62011.4

 


 
 Fishing pressure Stock size
  201820192020  201920202021
Maximum sustainable yieldFMSYAppropriate MSY BtriggerAbove trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable