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Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
 
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Species: Clupea harengus
Stock code: her.27.nirs
Assessment Year:2018
Purpose:Advice
Assessment Key: 9352
Stock Key: 169122

 
 
 
 
 
 
 
 
       

 



YearRecruitment at age (wr) 1HighLowSSBHighLowCatchesF at age (wr) 4 - 6HighLow
       Ages 4-6  
 thousands  tonnes  tonnesYear-1   
19801710993179279208112829186568823106130.320.490.20
19812044343867861080531330219089927043770.290.440.196
19822261604274651196561451421644973348550.270.400.183
19831921443780309766216450249161086139330.260.380.175
19841343232497327224817721257011221940660.260.370.185
19851723013179409337516362214891245891870.290.380.21
198621192839004211515018603241531432974400.290.390.22
198728209553178914964216860224471266458230.300.390.23
198811865822119363654199022716514582101720.320.420.25
19891555932902838339915208206391120749490.320.410.24
19901286692351907039314455192301086663120.320.410.25
19917765314146142626983912956747243980.310.400.24
19922356264276311298301004612826786852700.320.410.25
199362630111004353371005313005777144090.320.410.26
1994158578278744902151106314236859848280.330.420.26
1995128027225066728281065413832820750760.340.430.27
19968212514575646273844711081643953010.350.450.27
199711842120611968036777810361583966510.370.480.29
199816308128340293843889111545684749050.390.520.29
19997313012824741701853511461635641270.370.490.28
20007498213425441878817810838617120020.360.470.27
20011033631899445624862028757439254610.380.510.28
2002806601430834547064789119460223930.370.510.27
20031437742516758213459658133437523990.370.520.26
200415039226788684430872812158626625310.340.490.24
2005167376297673941131030714525731443870.330.470.23
20062933145187631658431153815849840044020.300.420.21
200749188593281325937818600259501333146290.250.360.175
200824994648663212837823766339511663648950.230.340.161
200933071162048617626523695340301649845940.220.330.148
201038040869101620941725591364871794948940.210.320.137
201124255947469012394426291371331861552020.200.310.131
201228750651944115913223647338961649756930.1960.300.127
20131733383100769689921768311821519648280.1830.290.116
201435682565722119373124294342751722052020.1700.280.104
201542210178919522576123718337211668348910.1700.280.105
201625627353832212200127337398111877243270.1600.270.095
20171129844252243002027174412561789838960.1480.260.083
2018310240  22489      
Average19808536690010476415571215131103250870.290.400.21

 


 
 Fishing pressure Stock size
  201420152016  201620172018
Maximum sustainable yieldFMSYBelow MSY BtriggerAbove trigger
Precautionary approachFpa,FlimHarvested sustainably Bpa,BlimFull reproductive capacity
Management planFMGTNot applicable BMGTNot applicable