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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:2025
Purpose:Advice
Assessment Key: 19428
Stock Key: 169673

 
 
 
 
 
 
 
 
       

 



YearRecruitment95%5%SSB95%5%TotalF95%5%
 Age 0     CatchAges 3-7  
 thousands  tonnes  tonnes   
19631959800041946540915645510826101220709944511297390.0290.0330.026
19641795550037781263853333010807301217806943654252040.0250.0280.022
19651641650033976154793207710576501192855922445275410.0290.0320.025
1966149187003038984773237499753231120155830491221640.0250.0280.021
1967133200002666482066538018955011044483746519277720.0340.0390.028
196812283900239733636294244812326960114664538289660.0390.0450.032
196911696100220530876203157722187862912581462359960.0540.0640.044
1970176369002963228710497342664684806141523227327900.0540.0650.043
197113182200222155687822010509512618483400541363470.0780.0950.062
1972175522002701228511405171544431668472420390340920.0670.0820.052
1973235000003356218816454529586424727537445311265070.0480.0590.037
1974188011002675603713211275504415623157385673267760.0540.0670.042
1975402112005230623930912959537236660579413893218110.0420.0510.032
1976147287002017759410751262547199672001422397305200.0570.0710.044
19779450890131280056803724590623723302457944336340.0580.0710.044
19789283650126277576825136669567821020518114348730.0590.0730.045
1979240788003051962318997240613804757008470600261090.0470.0580.036
1980135690001779431410347000538446666514410378298090.0590.0730.044
1981204902002615775616050624549869681931417807215260.0400.0490.030
1982333922004151965126855693568808702481435135264990.0500.0620.038
1983435306005333790735526574621900768151475649262080.0420.0520.032
1984362139004451390829461501682153835773528533345450.0490.0600.038
1985152465001969584311802276749466910455588477354320.0460.0570.036
19863013960037074730245017438420861013837670335355790.0450.0550.035
19871451100018864522111621769330071120379745635326280.0380.0460.030
19886236670074253784523825879060941088888723300364180.0400.0490.032
198956953600681187734761848210352501235045835455330860.0330.0400.027
199031883000391038472599554211651301372737957523391800.0370.0440.031
1991370172004497989830464122129904015169911081089334190.0300.0350.024
1992394251004743704232766345126217014708381053502466100.0420.0490.034
1993248857003087086720060922121454014155541013526493140.0440.0510.036
1994320299003893894226346748133879015543751123205619860.0540.0630.045
199525651400316751442077320711836901380279987101655470.0610.0710.050
199622540500281537111804643611663401358154974526613030.0610.0710.051
19974139520049717459344660139772531143064811442698080.0770.0900.064
19982397280030362601189277319335041098827768182624740.0710.0830.059
19993572880043733454291892609104441070901749987665020.0790.0930.065
2000288945003606798823147732845927989032702822588520.0820.0960.067
2001436302005283818136026871829227967667690787578060.0810.0950.066
20028705220010090882775098341837428976882697974539690.0730.0860.060
2003196630002564800415074606848619985177712061536440.0680.0800.057
20042094300027040497162204588893071024749753865614230.0720.0840.060
20052893140035735401234228779001401029216771064629110.0780.0900.066
2006407459004856748834183946804108919221688995713180.0980.1120.083
2007295516003612209924176255783377893866672888786780.1110.1280.095
2008394539004703342733095828746222849921642523679140.1010.1160.087
2009323952003919045126778181741552840751642353712480.1060.1200.091
20102211960027808127175947388918911001595782187725900.1050.1190.090
2011301906003659854224904608792357890683694031818500.1210.1380.105
20122312290028579631187080278006758992547020961060070.1630.1860.141
20132646800032327547216705297977688930047025321143960.1870.210.161
20144488890052727316382157397377368316266438461153660.200.230.172
20152520860030994154205030126960937847786074081149420.220.250.186
20163079680037548978252588206512257378075646431300290.260.300.22
20172178260027519036172419446355307271835438771043580.220.260.182
2018303077003789338424240556646521745255547787973660.210.250.175
2019406971005090217432537980578127676654479600889070.200.240.163
2020266802003500103920337484595732706257485207729560.1630.1980.129
2021161901002293870311426947574166686556461776719240.1690.210.131
2022278439003987255219444022565037686835443239786140.1880.230.142
2023206181003444327412342208540265673161407369668270.1580.200.115
202423703600598058879394738530162676484383840550400.1310.1700.092
202526382870  517283673733360833    
Average276796783669579921444659794423934433654414544780.0870.1030.071

 


 
 Fishing pressure Stock size
  202220232024  202320242025
Maximum sustainable yieldFMSYAppropriate MSY BtriggerBelow trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimFull reproductive capacity
Management planFMGTNot applicable BMGTNot applicable