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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:2024
Purpose:Advice
Assessment Key: 19122
Stock Key: 169673

 
 
 
 
 
 
 
 
       

 



YearRecruitment95%5%SSB95%5%TotalF95%5%
 Age 0     CatchAges 3-7  
 thousands  tonnes  tonnes   
19631997660042778823932855411069901251812962168297390.0290.0330.025
19641829660038518910869094111050901248934961246252040.0250.0280.021
19651672080034623115807510110815001223403939597275410.0280.0320.024
1966151885003095366274527709975191148639846399221640.0240.0280.021
1967135566002715140567687629159671070865761069277720.0330.0380.028
196812499100244065356401052831088984430677746289660.0380.0440.031
196911899400224515346306728739009884837593181359960.0530.0630.043
1970179342003017276510659796680362826744533980327900.0530.0640.042
197113416500226396507950762522166635120409212363470.0760.0930.060
1972178711002755727811589542558077686614429540340920.0650.0800.051
1973239480003429233116724051600965747175454755265070.0470.0580.036
1974191836002737396813443813516727639939393515267760.0530.0650.041
1975409926005351484331400508550310678610422010218110.0410.0500.031
1976150102002061878510927225560205690197430213305200.0560.0690.043
19779622480133979336910926604645743106466184336340.0560.0700.043
19789445590128790076927488685479843613527345348730.0570.0710.043
1979245215003117771619286338628639778130479148261090.0460.0570.035
1980138113001816060410503616551565685214417916298090.0570.0710.043
1981208607002670751716293870563297701068425526215260.0390.0480.030
1982339879004239073227250705582431721830443032264990.0490.0610.037
1983443030005445272436045135636751789220484282262080.0410.0510.031
1984368280004539821029875662697835857945537725345450.0480.0590.036
1985154928002005777511966773766108933880598336354320.0450.0560.035
19863062440037767340248324058601331039106681160355790.0440.0540.034
19871474540019206170113206759529381148206757670326280.0370.0450.029
19886338360075681914530837629256311116137735125364180.0390.0480.031
198957866300694048174824605610569501265200848700330860.0330.0390.026
199032375700398022262633485811884401404961971919391800.0370.0440.030
1991375722004576563330845639132398015513351096625334190.0290.0340.024
1992400059004825358833167938128616015038331068487466100.0410.0480.033
1993252443003138038920308055123772014474251028015493140.0430.0500.035
1994324760003956747726655492136362015884591138781619860.0530.0620.044
1995259914003215822921007154120641014114691001351655470.0590.0700.049
199622842200285821641825495511884901388535988445613030.0600.0700.049
19974193560050472740348424629964071169334823480698080.0760.0890.062
19982430070030828682191550209526511125100780202624740.0700.0820.057
19993622540044426676295381009290371096406761668665020.0770.0910.063
20002929750036635170234294958625961011871713321588520.0800.0950.066
2001443025005375471636512359845412989778701046578060.0790.0930.065
20028845570010277054876134759853908999354708462539690.0720.0850.059
20032000300026122413153171158651831007639722727536440.0670.0780.055
20042121460027420794164130649067331048226765240614230.0710.0820.059
20052905670035935661234945399177021052628782776629110.0760.0890.064
2006407791004868822234154770820345940764699926713180.0950.1100.081
2007295795003620917324163679798769914358683180786780.1090.1260.092
2008395424004721282433118150759534867959651109679140.0990.1140.085
2009326374003952944126947001752855856428649282712480.1040.1190.089
20102232950028098792177447699023991016867787931725900.1030.1180.089
2011303586003686393725001253801535904230698840818500.1200.1370.103
20122320810028749965187344898104129136567071681060070.1610.1840.138
20132663550032629167217428128070209071347069061143960.1850.210.158
20144529160053467926383656007466818457316476311153660.2000.230.169
20152529150031300639204360037044777987106102441149420.220.250.182
20163057010037661450248139956598047526755669331300290.260.300.21
20172133820027343820166516166436737428395445071043580.220.260.177
2018293236003741273722983443651895759599544191973660.210.250.170
2019395582005081772630793412580202688062472342889070.200.250.159
2020249329003398910318289671591753713167470339729560.1640.200.126
2021163614002462078810872739564985689407440563719240.1710.210.129
2022356605005609864922668483548671683223414119786140.1920.250.140
202323897600603413669464408526061674162377960668270.1600.210.111
202429222600  539609711118368100    
Average282226533751883421747874813121959942666300544690.0850.1010.068

 


 
 Fishing pressure Stock size
  202120222023  202220232024
Maximum sustainable yieldFMSYAppropriate MSY BtriggerBelow trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimFull reproductive capacity
Management planFMGT BMGT