ICES Marine Data
Stock Assessment Graphs


  Stock assessment graphs > View list of published graphs and tables > View published graphs and tables
 
       

Norway lobster (Nephrops norvegicus) in Division 9.a, Functional Units 28-29 (Atlantic Iberian waters East and southwestern and southern Portugal)
(Link to advice)  
Download graphs and tables(.doc)
Download stock data (XML)
Download standard graphs (zip) - regular size
Download standard graphs (zip) - powerpoint size
View on the map
View source data
Species: Nephrops norvegicus
Stock code: nep.fu.2829
Assessment Year:2021
Purpose:Advice
Assessment Key: 14418
Stock Key: 169159

 
 
 
 
 
 
 
 
       

 



YearBiomass index97.5%2.5%TotalF MalesF Females
    Catch  
 Kilograms per hour  tonnes  
1984   461  
1985   509  
1986   465  
1987   509  
1988   420  
1989   469  
1990   524  
1991   479  
1992   469  
1993   377  
1994   237  
1995   273  
1996   132  
1997   136  
19980.240.330.171611.4480.551
19990.410.560.312111.0870.414
20000.280.360.222011.5150.576
20010.850.90.82710.6810.259
20022.032.091.973590.3780.144
20032.963.042.873700.2680.102
20041.441.491.393750.560.213
20051.911.971.863910.4370.166
20062.062.1322910.3010.115
20071.921.971.862910.3250.124
20082.322.392.252230.2060.078
20092.582.662.51510.1250.048
20102.042.11.971470.1550.059
20111.9421.871500.1660.063
20122.522.612.442290.1940.074
20131.952.011.892090.230.087
20141.721.781.671930.240.091
20151.831.891.782470.2890.11
20162.422.492.352830.2510.095
20172.092.162.032750.2810.107
20182.862.952.782990.2240.085
20192.722.82.642840.2240.085
20202.572.652.52470.180.068
Average1.91.971.833060.4250.161

 


 
 Fishing pressure Stock size
  201820192020  201820192020
Maximum sustainable yieldFMSYAppropriate MSY BtriggerUndefined
Precautionary approachFpa,FlimAppropriate Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Decreasing -Decreasing