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Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 8 (central North Sea, Firth of Forth)
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Species: Nephrops norvegicus
Stock code: nep.fu.8
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19210
Stock Key: 169169

 
 
 
 
 
 
 
 
       

 



YearStock sizeMean + 2*SDMean - 2*SDLandingsDiscardsFishing pressureMean + 2*SDMean - 2*SD
         
 Number of individuals (billions)  tonnestonnes%   
19935556974132368567243219.2
199444852637018501584516244
1995   1762620   
19963754632871687930374930
1997   2193494   
19982923732112144578567744
19994635413852207938404834
200044351337317851032344029
20014194983401527436253121
20025086273891340421212817.1
2003767905629112754612.415.110.5
2004630770490165740616.42113.4
2005710853567198960219.42416.2
200682795370124581510273223
20076928245602651614232819.3
200888111785842450796213215.8
20097328745902663573263222
2010682829535195040719.22515.8
20115336204461889231222719.0
20125225864582129379252822
2013668794542150330115.619.213.1
20144285083482384353293624
2015664791537189731116.82114.2
2016797943651193516612.315.110.4
2017670803537255428019.72516.4
201810251215835269827512.915.810.9
20198651000730258541118.32215.8
2020111912999391787536.17.25.2
2021837944730183112810.812.39.5
20229711083859232417812.614.311.4
2023801930672207114014.617.412.6
2024599698500     
Average664.1787.93540.272045525232919.3

 


 
 Fishing pressure Stock size
  202120222023  202220232024
Maximum sustainable yieldFMSYBelow MSY BtriggerAbove trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable