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Norway lobster (Nephrops norvegicus) in Division 6.a, Functional Unit 12 (West of Scotland, South Minch)
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Species: Nephrops norvegicus
Stock code: nep.fu.12
Assessment Year:2021
Purpose:Advice
Assessment Key: 16859
Stock Key: 169147

 
 
 
 
 
 
 
 
       

 



YearStock sizeMean + 2*SDMean - 2*SDLandingsDiscardsFishing pressure
       
 Number of individuals (fisheries)  tonnestonnes% 
1979   3932  
1980   2753  
1981   3652  
1982   3552  
1983   3413  
1984   4300  
1985   4008  
1986   3484  
1987   3892  
1988   4473  
1989   4745  
1990   4430384 
1991   4442122 
1992   4237385 
1993   4458602 
1994   4414435 
199511521403901468245521
199614732003943399545714.2
199710861271901434427119.3
1998145216841220373023313.3
199910861346826405220616.9
200018542202150639532849.2
2001203724961578399159110.6
200218992466133233052477.5
200321572913140138793817.8
200425583031208538694546.8
200522082948146838484527.9
2006184524431247463332410.8
200710161171861547190327
2008160820231193535660517.4
200915422176908428521612.9
201020762741141138461337.6
20111945272311673702926.5
20129191104734398914515.8
20131718208313533776508.1
201420732603154331792335.8
201519982512148434001216.4
201621182558167844023659.5
2017138416661102375710810.1
20181946231715752540544.8
20192362294017842220463.5
20201927244414101976463.0
202112721611933   
Average1730.042180.671279.41391330310.9

 


 
 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