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Sprat (Sprattus sprattus) in Division 3.a (Skagerrak and Kattegat)
 
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Species: Sprattus sprattus
Stock code: spr.27.3a
Assessment Year:2018
Purpose:Advice
Assessment Key: 10078
Stock Key: 169282

 
 
 
 
 
 
 
 
       

 



YearAbundance IndexLandingsIBTS Q1 Age 1IBTS Q1 Age 2IBTS Q3 Age 1HERAS Age 1
       
 NAtonnesStockSizeStockSizeStockSizeStockSize
1974 71300    
1975 100600    
1976 58800    
1977 67400    
1978 77900    
1979 95600    
1980 83900    
1981 76300    
1982 39600    
1983 26400    
19843.166361005675.453868.877  
19851.381197002157.7632347.024  
19860.95710800628.6361979.238  
19871.757144002735.9182845.931  
19882.0948700914.4685262.547  
19890.3749800413.943911.276  
19900.2089700481.022223.894  
19910.36114000492.498726.822493.724 
19922.983105005993.636598.7111731.961 
19931.23191001589.9224168.612309.005 
19941.125960001788.861715.8399945.215 
19951.444556002204.0741769.53213295.42 
19962.3918000199.35515.416130.748 
19970.14515800232.654391.234437.176 
19980.2961840072.2451585.22262.82 
19992.621267004534.96355.2428082.645 
20000.58720100292.316737.798  
20013.85291076539.4781144.3448501.662 
20020.923177031180.521035.7073568.48 
20030.59416479461.6591247.151444.802 
20040.24221996402.8749.0027388.165 
20052.044402963314.1711563.16412817.78 
20063.766125071323.58911855.76849.81961.3
20070.46615706774.11306.63110899.965611.9
20081.9369123150.598981.9809.36623
20091.58892002686.719124.4633258.747169.5
20100.30610706218.659618.4862335.444836.1
20110.35410731135.5482887.2691413.11845.4
20120.31910417209.4851531.549832.37123.9
20130.1795110301.264237.338356.2714.5
20140.31623773518.178229.09330111.5614.5
20150.8619770957.727206.94316064.67840.8
20162.378110464209.6972217.6735035.2495.4
20170.67914131110.195724.3792443.69911
20182.646 4660.7331099.798  
Average1.331308251701.7961687.5395446.916696.442

 


 
 Fishing pressure Stock size
  201620172018  201620172018
Maximum sustainable yieldFMSYUnknown MSY BtriggerUndefined
Precautionary approachFpa,FlimUnknown Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Stable -Increasing