ICES Marine Data
Stock Assessment Graphs
 
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Herring (Clupea harengus) in Division 5.a; summer spawners (Iceland grounds)
Species: Stock Assessment Graphs
Stock code: her.27.5a
Assessment Year: 2025
Key: 19539
   
   
Unit weights tonnes
Unit recruitment thousands
Fishing pressure description Harvest Rate
Fishing pressure units
Stock size description SSB
Stock size units 1000t
       
Fish reference points      
       
Management plan SSBMP  
FMP  
MSY approach MSYBtrigger 234000  
FMSY  
Precautionary approach Blim 200000  
Bpa 273000  
Flim  
Fpa  
       
Age and Length      
       
Recruitment 2  
F 5-10  
       
       
 
Fish data
YearLow RecruitmentRecruitmentHigh RecruitmentLow TBiomassTBiomassHigh TBiomassLow SSBSSBHigh SSBLandingsCatchesDiscardsLow FFHigh F
1980138594227061371999221277258670302381176940209005246879533005330000.21930.24160.2662
19815979699355621463748242526284353333394152309179242210938395003950000.17390.19470.218
1982187742297613471783281264335063399154155031179383207561565005650000.26260.29490.331
1983196429312455497015289823342067403728187652220762259713589005890000.17790.19690.2181
1984321304503438788816288823339477399016213727254606303304503005030000.15370.17410.1972
19854337496863941086195351006405872469314237548278168325734494004940000.14030.15680.1753
1986321109503609789830361699417330481518253280287531326413655006550000.19270.21670.2436
1987185127288366449176377251438331509301281349324289373784754007540000.19660.21760.2409
1988373798577675892751399758460921531442305072353472409551928009280000.22240.24460.269
198923493734510650693739241544842251242130286634785239952010100010100000.24430.27560.3108
1990568592877178135324241383047132853681429939434060438748610510010510000.25230.28450.3207
1991596978903006136591343091049394456619827975931606535708210950010950000.2860.32120.3607
1992434854666388102120147223954474162837330988635244140084010850010850000.25630.28560.3183
1993557915825252122068953509261554070808438186044114550963410270010270000.19290.21380.2371
199417424727218842517852270259714368218440292946166052895313400013400000.23770.26150.2877
199517040826601641526645374351625358737338237943682449902212585012585000.24450.26750.2927
19965258847750191142179387340440028499884293621335911384293958519585100.25220.27930.3093
1997238033350144515058360983413561473798255982293206335843649316493100.20320.22740.2546
19985475618173821220161394732450530514215292909335690384720872388723800.19640.21860.2433
1999319623490360752301411510470395537705293278335044382759928969289600.24850.2760.3066
200038558357319285208442771948864155824231645136173541349910033010033000.23650.26070.2874
2001111399216700222503587449056521939606651279091319261365213952789527800.27150.30170.3354
20026619689862851469494535277637687759690284499327078376030962089620800.28880.33470.388
200335081654521884734554864464984976972235979442582050396412572012572000.21580.24660.2818
20047540451121916166925862912674144787382144986553630163934311424011424000.17470.1940.2154
2005444205686901106219669736782000296420247344456017066278210304010304000.17370.19370.2161
20064707277308371134677770559899307104956755880065538376865813530013530000.14720.16820.1922
200736701457354489629467345878095990562151502759899869665915892015892000.22270.24640.2725
200830519447734074658564886775833488627050134858832869039815178015178000.22350.24550.2697
2009311740462321685639585421692875820053428042511460611135463324633200.074220.081730.09
2010447735663315982695585140684416800536421212497018586468435334353300.074340.081520.08939
2011306356479646750960601525698380810831430688501018582832494464944600.085880.09480.1047
2012384606605688953854598457692113800425451174520550600593719767197600.19650.21730.2402
2013211708335983533209519274609836716192381979447827525025720587205800.12070.13450.1498
2014239347358980538407526064616507722501417938491201577305949759497500.16550.18150.1991
2015307608459912687626467893550886648600350655415942493385697296972900.14580.160.1757
2016186161279624420012442936524679621507322852384491457898604036040300.13360.14680.1614
2017282510422467631760414772493251586580310477371962445622350343503400.080090.087990.09668
2018215643327190496439418408496849589996310514371166443664406834068300.092350.10140.1114
20196358599503381420349433199515566613594283417338821405056300383003800.072830.080110.08812
20205605578465791278542470349560408667711299635356001422970360993609900.086710.095590.1054
20215572079080831479909559567674404812807365074435395519261700847008400.13570.14880.1632
2022252276440637769636554494681646837955402007489076595003728047280400.12650.13880.1522
2023173540341449671818577327724752909823468165585438732087944229442200.13430.14650.1598
2024149645380797969001512172662756857612420251545270707481822108221000.1240.13680.1509
20251999155451161486388481208648030872684380279517273703618  0   
 
 
 
 
Custom reference points
CustomRefPointNameCustomRefPointValueCustomRefPointNotes
HR_{MSY}0.22 
HR_{pa}0.25 
HR_{MGT}0.19 
MGT B_{trigger}273000 
 
Custom fish data column names
CustomName1
B_{4+}
 
Custom fish data
YearCustom1
1980219790
1981198967
1982190948
1983289937
1984280201
1985302870
1986296049
1987344285
1988378236
1989358852
1990363503
1991317253
1992362070
1993474149
1994480722
1995468905
1996351303
1997293388
1998365260
1999341299
2000383963
2001333524
2002305728
2003455235
2004576415
2005564594
2006701835
2007625151
2008619370
2009561447
2010544954
2011538666
2012564047
2013474217
2014532297
2015440347
2016401704
2017406015
2018397474
2019364920
2020366457
2021463969
2022518829
2023631687
2024578975
2025544037
 
 
 
 
Sensivity data