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Norway lobster (Nephrops norvegicus) in Division 7.a, Functional Unit 15 (Irish Sea, West)
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Species: Nephrops norvegicus
Stock code: nep.fu.15
Assessment Year:2021
Purpose:Advice
Assessment Key: 16863
Stock Key: 169150

 
 
 
 
 
 
 
 
       

 



YearStock size97.5%2.5%LandingsDiscardsFishing pressure
       
 Number of individuals (fisheries)  tonnestonnes% 
1960   3920 
1961   17800 
1962   17590 
1963   28370 
1964   24770 
1965   20640 
1966   25670 
1967   40140 
1968   39290 
1969   45860 
1970   49420 
1971   48890 
1972   57310 
1973   58940 
1974   36710 
1975   50740 
1976   56030 
1977   65140 
1978   72960 
1979   89480 
1980   45780 
1981   72490 
1982   93150 
1983   94480 
1984   77600 
1985   69010 
1986   99781680 
1987   97531608 
1988   8586639 
1989   8128673 
1990   8300276 
1991   9554345 
1992   75411079 
1993   81021622 
1994   76061185 
1995   77961724 
1996   72471202 
1997   99711330 
1998   91281560 
1999   107862913 
2000   83702293 
2001   74412112 
2002   67931732 
20035484.815754.645214.987065265912.1
20045547.355849.625245.097270199311.0
20055673.326115.885230.75655414128.6
20065401.835810.524993.157561228513.0
20075149.875491.034808.78491324616.5
20084288.234535.344041.1310508142122
20094623.274883.344363.29198293418.8
20104990.185295.344685.028963153914.7
20114870.895105.754636.0410162268319.4
20125062.425356.124768.7210529187119.8
20134310.224579.724040.738672159020
20144592.784839.434346.138613141817.8
20154373.34662.164084.438643222819.9
20165075.765374.714776.87327193915.4
20175330.115565.865041.436150122210.6
20184865.155096.554633.755756123110.0
20194404.264587.374404.267591115915.3
20204775.454993.64557.316115129410.6
20214728.425016.214440.63   
Average4923.565205.964648.01689395215.3

 


 
 Fishing pressure Stock size
  201820192020  201920202021
Maximum sustainable yieldFMSYBelow MSY BtriggerAbove trigger
Precautionary approachFpa,FlimBelow possible reference points Bpa,BlimAbove possible reference points
Management planFMGTBelow range BMGTAbove trigger