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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 Component:
Assessment Year:2026
Purpose:Advice
Assessment Key: 22377
Stock Key: 169673

 
 
 
 
 
 
 
 
       

 



YearRecruitment95%5%SSB95%5%TotalF95%5%
 Age 0     CatchAges 3-7  
   tonnes  tonnes   
19631966100042052679919215910881701224445951895297390.0290.0330.026
19641800460037856175856308410862801221520951040252040.0250.0280.022
19651645300034023922795620210630501196496929604275410.0280.0320.025
1966149462003041884873437669802311123764836698221640.0240.0280.021
1967133389002667719466696028998811047852751910277720.0330.0380.028
196812296900239748466307183816183963128669238289660.0380.0450.032
196911702800220431276213072725489865487585491359960.0540.0640.044
1970176200002957785010496517667580808388526772327900.0530.0640.043
197113177200221844387827045511744620118403370363470.0780.0940.062
1972175246002694495111397742546581669956423206340920.0670.0810.052
1973234475003345288116434616588289728624447954265070.0480.0590.037
1974187602002666723313197661505669623651387687267760.0540.0670.042
1975401111005210393330878674538113660520415706218110.0420.0510.032
1976147081002012659810748374547536671275423797305200.0570.0700.044
19779444030131047416805911590505721899459111336340.0580.0710.044
19789275640126036836826378669032818923519141348730.0590.0730.045
1979240425003043448418992989613181754896471466261090.0470.0580.036
1980135510001775014510345245537852664586411118298090.0590.0730.045
1981204534002607880516041440549186679862418510215260.0400.0490.031
1982333184004137453826830892568069700334435804264990.0500.0620.038
1983434233005313850935484304621017765714476320262080.0420.0520.033
1984361263004435440629424575681052833001529103345450.0490.0600.038
1985152129001963435611787111748047907231588863354320.0470.0570.036
19863005520036933469244578998402551010021670489355790.0450.0550.036
19871447000018795829111397539308711116049745693326280.0380.0460.030
19886216580073929294522740929039361084572723300364180.0400.0490.032
198956775000678287634752262210325801229960835200330860.0330.0400.027
199031790700389537002594486811618501366815956885391800.0380.0440.031
1991369114004480813030406345129512015102051080035334190.0300.0350.024
1992393103004725413532701894125826014641581052362466100.0420.0490.034
1993248188003076291120023229121068014090031012357493140.0440.0510.036
1994319455003880371226299416133447015471601121780619860.0540.0630.045
199525588800315736352073840111797301373667985793655470.0610.0710.051
199622484200280633441801422011624001351624973176613030.0610.0710.051
19974127840049537900343960149738241137389810259698080.0770.0900.064
19982390700030258611188886619300691093139766999624740.0710.0840.059
19993561890043564476291224919070601065323748797665020.0790.0930.065
2000287988003592121223088611842814983949701679588520.0820.0960.068
2001434479005257203435907304826120962645689595578060.0810.0950.067
20028660600010028619074791945834163971650696676539690.0740.0870.061
2003195805002552378315021126845130979694710566536440.0680.0800.057
20042086930026928006161737818853171018642751992614230.0720.0840.061
20052877990035521213233179728957401022680768800629110.0780.0910.066
2006406022004835194234094570799982913133686831713180.0980.1130.083
2007294830003600903424139700779083887615670551786780.1120.1290.095
2008393129004682768233004070741938843716640160679140.1020.1160.087
2009323170003906373226735502737420834716640124712480.1060.1210.091
2010220845002774237617580511887239994684779794725900.1050.1200.091
2011300844003644089324836689788187884394691980818500.1220.1390.106
20122308140028496801186951177966328929417003231060070.1640.1860.142
20132647480032276449217159907937698865507009881143960.1880.210.163
20144470870052364604381721187338718251256426171153660.200.230.174
20152523140030899688206029126928157786026070281149420.220.250.188
20163083650037366704254475146478437310495646371300290.260.300.22
20172211480027684542176656126325137199855450411043580.220.260.185
2018307127003791563624878125644558737982551134973660.210.250.177
2019414647005096739733733748578042670831485253889070.200.240.165
2020272811003494845521295889598247701505494989729560.1630.1950.131
2021162464002225500411860052579865683912475818719240.1670.200.133
2022275474003747246720251115573215685204461226786140.1850.230.144
2023244363003544516816846662548480669799427161668270.1550.1940.117
2024314105005042506319566054536250668149404351550400.1290.1630.095
202524418100615148869692672603383763375443391673440.1390.1780.099
202627646850  597818775239420397    
Average278015253680741621536664791942929977653907546820.0880.1040.072

 


 
 Fishing pressure Stock size
  202320242025  202420252026
Maximum sustainable yieldFMSYAppropriate MSY BtriggerBelow trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimFull reproductive capacity
Management planFMGTBelow BMGTIncreased risk