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Herring (Clupea harengus) in subdivisions 30 and 31 (Gulf of Bothnia)
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Species: Clupea harengus
Stock code: her.27.3031
Assessment Year:2019
Purpose:Advice
Assessment Key: 12738
Stock Key: 169673

 
 
 
 
 
 
 
 
       

 



 RelativeRelativeRelativeRelativeRelativeRelative RelativeRelativeRelative
YearRecruitmentHighLowSSBHighLowCatchesFHighLow
 Age 1      Ages 3-7  
       tonnes   
19800.721.110.470.350.470.27298091.321.780.98
19810.260.390.1690.340.460.25215261.001.370.73
19820.250.390.1620.370.500.27264991.121.540.82
19830.781.190.520.390.540.28262081.041.450.75
19841.051.610.690.470.660.34345451.091.540.78
19850.811.260.520.560.790.40354320.951.370.66
19860.210.320.1300.640.920.45355790.861.260.59
19870.510.810.330.761.100.53326280.751.110.51
19880.210.330.1310.761.130.52364180.711.060.48
19891.181.820.760.911.340.62330860.590.880.40
19901.973.01.291.081.570.75391800.550.820.37
19910.650.980.431.211.700.86334190.460.680.32
19920.941.390.641.311.800.95466100.560.790.40
19931.732.51.191.301.730.98493140.570.780.43
19940.660.950.461.511.951.18619860.690.910.53
19950.741.070.511.341.691.06655470.821.040.64
19960.670.950.461.321.651.06613030.831.040.65
19970.670.960.471.161.440.94698081.021.270.81
19981.291.850.901.091.360.87624740.991.240.79
19990.620.880.431.071.340.86665021.101.380.87
20001.181.690.820.981.220.79588521.041.300.83
20011.111.600.780.961.190.78578060.991.230.79
20021.502.11.051.001.230.81539690.821.020.66
20031.682.41.171.001.230.82536440.790.980.64
20040.530.750.371.021.240.85614230.841.040.68
20050.741.050.521.091.310.91629110.861.060.70
20060.811.150.561.071.280.89713180.921.140.76
20071.702.41.211.031.230.86786781.051.280.86
20080.971.360.690.981.170.81679141.021.250.83
20091.041.470.741.111.330.92712480.931.140.76
20101.091.540.781.311.581.10725900.901.110.73
20110.871.210.621.231.461.03818500.971.180.80
20121.522.11.081.301.541.091060071.251.521.03
20131.151.620.821.321.561.111143961.391.691.15
20141.181.660.841.311.561.101153661.401.711.15
20152.63.81.841.221.451.021149421.531.881.25
20161.301.880.891.101.330.911300291.852.31.48
20171.362.00.911.051.310.841043581.662.21.28
20180.741.210.450.971.280.73973661.742.41.26

 


 
 Fishing pressure Stock size
  201620172018  201620172018
Maximum sustainable yieldFMSYUnknown MSY BtriggerUnknown
Precautionary approachFpa,FlimUnknown Bpa,BlimUnknown
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Above possible reference points -Above possible reference points
 
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