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Stock Assessment Graphs
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Herring (Clupea harengus) in subdivisions 30 and 31 (Gulf of Bothnia)
Species:
Stock Assessment Graphs
Stock code:
her.27.3031
Assessment Year:
2025
Key:
19428
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
613355
F
MSY
0.218
Precautionary approach
B
lim
389938
B
pa
516727
F
lim
F
pa
0.218
Age and Length
Recruitment
0
F
3-7
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Catches
Low F
F
High F
1963
9156454.92535586
19598000
41946540.1327331
944511.4275
1082610
1220708.5725
29739
0.0256473825
0.0294169
0.0331864175
1964
8533329.8721708
17955500
37781263.0098155
943653.9595
1080730
1217806.0405
25204
0.02190167875
0.0250901
0.02827852125
1965
7932076.96949272
16416500
33976154.4531803
922444.818
1057650
1192855.182
27541
0.02481989155
0.0285534
0.03228690845
1966
7323748.95876439
14918700
30389846.9135335
830491.278
975323
1120154.722
22164
0.0211012888
0.0246258
0.0281503112
1967
6653800.8406165
13320000
26664819.7398649
746519.4365
895501
1044482.5635
27772
0.02825123545
0.0335116
0.03877196455
1968
6294244.12961167
12283900
23973362.9809668
664538.0485
812326
960113.9515
28966
0.0319328295
0.0385834
0.0452339705
1969
6203156.73644742
11696100
22053087.0042702
581462.185
722187
862911.815
35996
0.04414405275
0.0543053
0.06446654725
1970
10497341.7858998
17636900
29632286.7211795
523227.489
664684
806140.511
32790
0.04267259105
0.0537706
0.06486860895
1971
7822010.22650309
13182200
22215567.5853272
400540.7845
509512
618483.2155
36347
0.06186398635
0.0781978
0.09453161365
1972
11405171.0334004
17552200
27012284.5100506
420389.6105
544431
668472.3895
34092
0.05196383745
0.0668843
0.08180476255
1973
16454528.9830648
23500000
33562188.2928633
445310.965
586424
727537.035
26507
0.0368091273
0.0480959
0.0593826727
1974
13211274.9054546
18801100
26756037.0773949
385673.307
504415
623156.693
26776
0.0417790537
0.0543155
0.0668519463
1975
30912958.6666254
40211200
52306239.0396715
413892.913
537236
660579.087
21811
0.032074042
0.0416486
0.051223158
1976
10751262.4407336
14728700
20177593.5510694
422396.798
547199
672001.202
30520
0.0439481
0.0572397
0.0705313
1977
6803724.06684087
9450890
13128004.7389654
457944.209
590623
723301.791
33634
0.0439620399
0.0575224
0.0710827601
1978
6825136.06609578
9283650
12627756.6465868
518113.824
669567
821020.176
34873
0.04460412685
0.0586203
0.07263647315
1979
18997239.994783
24078800
30519623.3557728
470599.512
613804
757008.488
26109
0.0357867778
0.047128
0.0584692222
1980
10346999.6941857
13569000
17794313.950107
410378.473
538446
666513.527
29809
0.0444657058
0.0586258
0.0727858942
1981
16050623.5931186
20490200
26157756.0276225
417806.9195
549869
681931.0805
21526
0.0304551058
0.0399105
0.0493658942
1982
26855693.2467899
33392200
41519651.3675283
435135.4645
568808
702480.5355
26499
0.0381869414
0.0500518
0.0619166586
1983
35526574.444783
43530600
53337907.3545398
475649.1365
621900
768150.8635
26208
0.0323884992
0.0423951
0.0524017008
1984
29461500.9896122
36213900
44513908.2924663
528532.701
682153
835773.299
34545
0.0375095766
0.0487596
0.0600096234
1985
11802275.5348394
15246500
19695842.6842187
588476.5945
749466
910455.4055
35432
0.0360642254
0.0464499
0.0568355746
1986
24501742.7568051
30139600
37074729.6294954
670334.84
842086
1013837.16
35579
0.0353830281
0.0452501
0.0551171719
1987
11162176.3548802
14511000
18864521.9628642
745634.92
933007
1120379.08
32628
0.03012487005
0.0382122
0.04629952995
1988
52382586.5301769
62366700
74253784.0633214
723299.955
906094
1088888.045
36418
0.0321405983
0.0403351
0.0485296017
1989
47618481.8442872
56953600
68118772.9496912
835454.88
1035250
1235045.12
33086
0.0269672702
0.033421
0.0398747298
1990
25995541.7226287
31883000
39103847.1075651
957522.775
1165130
1372737.225
39180
0.03054331305
0.03749
0.04443668695
1991
30464121.9777809
37017200
44979897.8890453
1081089.015
1299040
1516990.985
33419
0.02418124675
0.0295437
0.03490615325
1992
32766345.4959567
39425100
47437042.077268
1053501.75
1262170
1470838.25
46610
0.0342388251
0.0416078
0.0489767749
1993
20060922.1277031
24885700
30870867.2785675
1013525.935
1214540
1415554.065
49314
0.0359940804
0.0436178
0.0512415196
1994
26346747.918612
32029900
38938942.1866852
1123204.525
1338790
1554375.475
61986
0.0446486774
0.0537552
0.0628617226
1995
20773207.0259769
25651400
31675143.9071097
987100.985
1183690
1380279.015
65547
0.05032210765
0.0605432
0.07076429235
1996
18046435.838945
22540500
28153711.058754
974526.42
1166340
1358153.58
61303
0.0505645498
0.0608635
0.0711624502
1997
34466013.225774
41395200
49717458.5239984
811441.935
977253
1143064.065
69808
0.06389218975
0.0770957
0.09029921025
1998
18927730.8554076
23972800
30362601.0022121
768181.5
933504
1098826.5
62474
0.05859466065
0.0710013
0.08340793935
1999
29189259.9696826
35728800
43733453.7006379
749987.2455
910444
1070900.7545
66502
0.065038115
0.079042
0.093045885
2000
23147732.4553761
28894500
36067987.7331179
702821.87
845927
989032.13
58852
0.06715503065
0.0816903
0.09622556935
2001
36026871.3110723
43630200
52838181.1343955
690786.9255
829227
967667.0745
57806
0.0664663959
0.0807624
0.0950584041
2002
75098340.9698895
87052200
100908827.371811
697974.112
837428
976881.888
53969
0.0604796757
0.073405
0.0863303243
2003
15074606.437658
19663000
25648004.1849813
712061.1345
848619
985176.8655
53644
0.05661414165
0.0681032
0.07959225835
2004
16220458.0193986
20943000
27040497.1595409
753864.609
889307
1024749.391
61423
0.06042345705
0.0721288
0.08383414295
2005
23422876.892016
28931400
35735401.3266114
771064.088
900140
1029215.912
62911
0.0658204553
0.077985
0.0901495447
2006
34183945.7188033
40745900
48567487.804568
688994.6835
804108
919221.3165
71318
0.0826079658
0.0975116
0.1124152342
2007
24176254.7392274
29551600
36122098.810575
672887.7785
783377
893866.2215
78678
0.0947033715
0.111422
0.1281406285
2008
33095828.3923711
39453900
47033426.8946358
642522.845
746222
849921.155
67914
0.0865355483
0.101162
0.1157884517
2009
26778180.7621081
32395200
39190451.0751904
642353.4005
741552
840750.5995
71248
0.0905648781
0.105515
0.1204651219
2010
17594737.78668
22119600
27808127.0714023
782187.266
891891
1001594.734
72590
0.0901941947
0.104728
0.1192618053
2011
24904607.9523958
30190600
36598541.5270235
694030.5795
792357
890683.4205
81850
0.104952577
0.121497
0.138041423
2012
18708026.8544388
23122900
28579631.0091965
702095.5785
800675
899254.4215
106007
0.1407355895
0.163165
0.1855944105
2013
21670528.6486869
26468000
32327546.565988
702531.8765
797768
893004.1235
114396
0.1611267845
0.18719
0.2132532155
2014
38215738.9164229
44888900
52727316.0311461
643845.8155
737736
831626.1845
115366
0.172482164
0.202383
0.232283836
2015
20503012.0710782
25208600
30994154.0178093
607408.089
696093
784777.911
114942
0.186060301
0.219135
0.252209699
2016
25258820.4739402
30796800
37548977.8399796
564642.728
651225
737807.272
130029
0.219345872
0.2616
0.303854128
2017
17241943.6008143
21782600
27519035.7737623
543877.18
635530
727182.82
104358
0.182477856
0.220555
0.258632144
2018
24240555.8316884
30307700
37893383.5374029
547787.2775
646521
745254.7225
97366
0.1746306125
0.213942
0.2532533875
2019
32537980.3275089
40697100
50902174.3740419
479599.5605
578127
676654.4395
88907
0.163190843
0.20357
0.243949157
2020
20337484.0157273
26680200
35001039.0414826
485206.753
595732
706257.247
72956
0.128998629
0.163313
0.197627371
2021
11426946.9669304
16190100
22938702.5920897
461776.31
574166
686555.69
71924
0.1313025975
0.168816
0.2063294025
2022
19444021.6695876
27843900
39872552.1080147
443239.226
565037
686834.774
78614
0.142020026
0.187753
0.233485974
2023
12342207.9235578
20618100
34443273.8650102
407368.5755
540265
673161.4245
66827
0.1149381045
0.157754
0.2005698955
2024
9394738.16089453
23703600
59805887.4380063
383839.908
530162
676484.092
55040
0.0924005465
0.131302
0.1702034535
2025
26382870
360833.4655
517283
673732.5345
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data