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Herring (Clupea harengus) in subdivisions 30 and 31 (Gulf of Bothnia)
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View source data
Species:
Clupea harengus
Stock code:
her.27.3031
Assessment Component:
Assessment Year:
2026
Purpose:
Advice
Assessment Key:
22377
Stock Key:
169673
Year
Recruitment
95%
5%
SSB
95%
5%
Total
F
95%
5%
Age 0
Catch
Ages 3-7
tonnes
tonnes
1963
19661000
42052679
9192159
1088170
1224445
951895
29739
0.029
0.033
0.026
1964
18004600
37856175
8563084
1086280
1221520
951040
25204
0.025
0.028
0.022
1965
16453000
34023922
7956202
1063050
1196496
929604
27541
0.028
0.032
0.025
1966
14946200
30418848
7343766
980231
1123764
836698
22164
0.024
0.028
0.021
1967
13338900
26677194
6669602
899881
1047852
751910
27772
0.033
0.038
0.028
1968
12296900
23974846
6307183
816183
963128
669238
28966
0.038
0.045
0.032
1969
11702800
22043127
6213072
725489
865487
585491
35996
0.054
0.064
0.044
1970
17620000
29577850
10496517
667580
808388
526772
32790
0.053
0.064
0.043
1971
13177200
22184438
7827045
511744
620118
403370
36347
0.078
0.094
0.062
1972
17524600
26944951
11397742
546581
669956
423206
34092
0.067
0.081
0.052
1973
23447500
33452881
16434616
588289
728624
447954
26507
0.048
0.059
0.037
1974
18760200
26667233
13197661
505669
623651
387687
26776
0.054
0.067
0.042
1975
40111100
52103933
30878674
538113
660520
415706
21811
0.042
0.051
0.032
1976
14708100
20126598
10748374
547536
671275
423797
30520
0.057
0.070
0.044
1977
9444030
13104741
6805911
590505
721899
459111
33634
0.058
0.071
0.044
1978
9275640
12603683
6826378
669032
818923
519141
34873
0.059
0.073
0.045
1979
24042500
30434484
18992989
613181
754896
471466
26109
0.047
0.058
0.036
1980
13551000
17750145
10345245
537852
664586
411118
29809
0.059
0.073
0.045
1981
20453400
26078805
16041440
549186
679862
418510
21526
0.040
0.049
0.031
1982
33318400
41374538
26830892
568069
700334
435804
26499
0.050
0.062
0.038
1983
43423300
53138509
35484304
621017
765714
476320
26208
0.042
0.052
0.033
1984
36126300
44354406
29424575
681052
833001
529103
34545
0.049
0.060
0.038
1985
15212900
19634356
11787111
748047
907231
588863
35432
0.047
0.057
0.036
1986
30055200
36933469
24457899
840255
1010021
670489
35579
0.045
0.055
0.036
1987
14470000
18795829
11139753
930871
1116049
745693
32628
0.038
0.046
0.030
1988
62165800
73929294
52274092
903936
1084572
723300
36418
0.040
0.049
0.032
1989
56775000
67828763
47522622
1032580
1229960
835200
33086
0.033
0.040
0.027
1990
31790700
38953700
25944868
1161850
1366815
956885
39180
0.038
0.044
0.031
1991
36911400
44808130
30406345
1295120
1510205
1080035
33419
0.030
0.035
0.024
1992
39310300
47254135
32701894
1258260
1464158
1052362
46610
0.042
0.049
0.034
1993
24818800
30762911
20023229
1210680
1409003
1012357
49314
0.044
0.051
0.036
1994
31945500
38803712
26299416
1334470
1547160
1121780
61986
0.054
0.063
0.045
1995
25588800
31573635
20738401
1179730
1373667
985793
65547
0.061
0.071
0.051
1996
22484200
28063344
18014220
1162400
1351624
973176
61303
0.061
0.071
0.051
1997
41278400
49537900
34396014
973824
1137389
810259
69808
0.077
0.090
0.064
1998
23907000
30258611
18888661
930069
1093139
766999
62474
0.071
0.084
0.059
1999
35618900
43564476
29122491
907060
1065323
748797
66502
0.079
0.093
0.065
2000
28798800
35921212
23088611
842814
983949
701679
58852
0.082
0.096
0.068
2001
43447900
52572034
35907304
826120
962645
689595
57806
0.081
0.095
0.067
2002
86606000
100286190
74791945
834163
971650
696676
53969
0.074
0.087
0.061
2003
19580500
25523783
15021126
845130
979694
710566
53644
0.068
0.080
0.057
2004
20869300
26928006
16173781
885317
1018642
751992
61423
0.072
0.084
0.061
2005
28779900
35521213
23317972
895740
1022680
768800
62911
0.078
0.091
0.066
2006
40602200
48351942
34094570
799982
913133
686831
71318
0.098
0.113
0.083
2007
29483000
36009034
24139700
779083
887615
670551
78678
0.112
0.129
0.095
2008
39312900
46827682
33004070
741938
843716
640160
67914
0.102
0.116
0.087
2009
32317000
39063732
26735502
737420
834716
640124
71248
0.106
0.121
0.091
2010
22084500
27742376
17580511
887239
994684
779794
72590
0.105
0.120
0.091
2011
30084400
36440893
24836689
788187
884394
691980
81850
0.122
0.139
0.106
2012
23081400
28496801
18695117
796632
892941
700323
106007
0.164
0.186
0.142
2013
26474800
32276449
21715990
793769
886550
700988
114396
0.188
0.21
0.163
2014
44708700
52364604
38172118
733871
825125
642617
115366
0.20
0.23
0.174
2015
25231400
30899688
20602912
692815
778602
607028
114942
0.22
0.25
0.188
2016
30836500
37366704
25447514
647843
731049
564637
130029
0.26
0.30
0.22
2017
22114800
27684542
17665612
632513
719985
545041
104358
0.22
0.26
0.185
2018
30712700
37915636
24878125
644558
737982
551134
97366
0.21
0.25
0.177
2019
41464700
50967397
33733748
578042
670831
485253
88907
0.20
0.24
0.165
2020
27281100
34948455
21295889
598247
701505
494989
72956
0.163
0.195
0.131
2021
16246400
22255004
11860052
579865
683912
475818
71924
0.167
0.20
0.133
2022
27547400
37472467
20251115
573215
685204
461226
78614
0.185
0.23
0.144
2023
24436300
35445168
16846662
548480
669799
427161
66827
0.155
0.194
0.117
2024
31410500
50425063
19566054
536250
668149
404351
55040
0.129
0.163
0.095
2025
24418100
61514886
9692672
603383
763375
443391
67344
0.139
0.178
0.099
2026
27646850
597818
775239
420397
Average
27801525
36807416
21536664
791942
929977
653907
54682
0.088
0.104
0.072
Fishing pressure
Stock size
2023
2024
2025
2024
2025
2026
Maximum sustainable yield
F
MSY
Below
MSY B
trigger
Below trigger
Precautionary approach
F
pa
,F
lim
Below
B
pa
,B
lim
Full reproductive capacity
Management plan
F
MGT
Below
B
MGT
Increased risk