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Megrim (Lepidorhombus spp.) in divisions 4.a and 6.a (northern North Sea, West of Scotland)
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Species: Lepidorhombus
Stock code: lez.27.4a6a
Assessment Year:2019
Purpose:Advice
Assessment Key: 12855
Stock Key: 169138

 
 
 
 
 
 
 
 
       

 



YearB/BmsyHighLowLandingsDiscardsF/FmsyHighLow
         
 Relative  tonnestonnesratio   
19852.2293.7180.9324499 0.711.390.35
19861.5912.240.872858 0.540.920.30
19871.4952.0840.884614 0.951.580.53
19881.4072.1110.8135212 1.171.910.59
19891.1291.6130.6753451 0.891.420.46
19901.0321.4460.6563047 0.831.310.44
19910.971.3230.6263310 0.961.470.53
19921.0241.4210.623574 0.991.570.54
19931.1021.5540.673802 0.981.540.52
19941.2091.7640.7153900 0.921.500.45
19951.2311.8280.7214670 1.101.770.52
19961.1931.90.6855253 1.312.10.60
19971.0011.4250.6094856 1.392.20.65
19980.9561.4030.5714253 1.262.00.59
19990.9261.4560.5463759 1.121.800.49
20000.8621.3050.523494 1.101.760.50
20010.7921.1410.4823571 1.211.980.60
20020.8121.2020.4712803 0.891.440.41
20030.8451.2730.4892369 0.711.180.33
20040.851.2440.4952067 0.600.970.29
20050.8441.1470.5291527 0.430.680.23
20060.9611.290.5772054 0.510.820.28
20071.11.5150.6632348 0.520.810.29
20081.2221.6980.7182894 0.580.940.32
20091.3391.8610.8222871 0.530.830.29
20101.3531.8270.8593197 0.580.910.33
20111.3921.9170.8723257 0.570.880.33
20121.5062.1180.9542545 0.440.670.24
20131.7192.5071.03427373270.380.590.21
20141.7172.4261.0725003090.340.530.190
20151.5932.1241.00624711520.340.510.21
20161.6842.2451.12327921670.360.540.22
20171.8532.6241.21125941930.320.480.175
20181.6812.1981.15430032550.400.590.24
Average1.2541.7930.75432992340.761.220.39

 


 
 Fishing pressure Stock size
  201620172018  201620172018
Maximum sustainable yieldFMSYBelow MSY BtriggerAbove trigger
Precautionary approachFpa,FlimBelow possible reference points Bpa,BlimFull reproductive capacity
Management planFMGTBelow range BMGTAbove trigger
 
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