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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
Year
Recruitment
95%
5%
SSB
95%
5%
Total
F
95%
5%
Age 0
Catch
Ages 3-7
thousands
tonnes
tonnes
1963
19976600
42778823
9328554
1106990
1251812
962168
29739
0.029
0.033
0.025
1964
18296600
38518910
8690941
1105090
1248934
961246
25204
0.025
0.028
0.021
1965
16720800
34623115
8075101
1081500
1223403
939597
27541
0.028
0.032
0.024
1966
15188500
30953662
7452770
997519
1148639
846399
22164
0.024
0.028
0.021
1967
13556600
27151405
6768762
915967
1070865
761069
27772
0.033
0.038
0.028
1968
12499100
24406535
6401052
831088
984430
677746
28966
0.038
0.044
0.031
1969
11899400
22451534
6306728
739009
884837
593181
35996
0.053
0.063
0.043
1970
17934200
30172765
10659796
680362
826744
533980
32790
0.053
0.064
0.042
1971
13416500
22639650
7950762
522166
635120
409212
36347
0.076
0.093
0.060
1972
17871100
27557278
11589542
558077
686614
429540
34092
0.065
0.080
0.051
1973
23948000
34292331
16724051
600965
747175
454755
26507
0.047
0.058
0.036
1974
19183600
27373968
13443813
516727
639939
393515
26776
0.053
0.065
0.041
1975
40992600
53514843
31400508
550310
678610
422010
21811
0.041
0.050
0.031
1976
15010200
20618785
10927225
560205
690197
430213
30520
0.056
0.069
0.043
1977
9622480
13397933
6910926
604645
743106
466184
33634
0.056
0.070
0.043
1978
9445590
12879007
6927488
685479
843613
527345
34873
0.057
0.071
0.043
1979
24521500
31177716
19286338
628639
778130
479148
26109
0.046
0.057
0.035
1980
13811300
18160604
10503616
551565
685214
417916
29809
0.057
0.071
0.043
1981
20860700
26707517
16293870
563297
701068
425526
21526
0.039
0.048
0.030
1982
33987900
42390732
27250705
582431
721830
443032
26499
0.049
0.061
0.037
1983
44303000
54452724
36045135
636751
789220
484282
26208
0.041
0.051
0.031
1984
36828000
45398210
29875662
697835
857945
537725
34545
0.048
0.059
0.036
1985
15492800
20057775
11966773
766108
933880
598336
35432
0.045
0.056
0.035
1986
30624400
37767340
24832405
860133
1039106
681160
35579
0.044
0.054
0.034
1987
14745400
19206170
11320675
952938
1148206
757670
32628
0.037
0.045
0.029
1988
63383600
75681914
53083762
925631
1116137
735125
36418
0.039
0.048
0.031
1989
57866300
69404817
48246056
1056950
1265200
848700
33086
0.033
0.039
0.026
1990
32375700
39802226
26334858
1188440
1404961
971919
39180
0.037
0.044
0.030
1991
37572200
45765633
30845639
1323980
1551335
1096625
33419
0.029
0.034
0.024
1992
40005900
48253588
33167938
1286160
1503833
1068487
46610
0.041
0.048
0.033
1993
25244300
31380389
20308055
1237720
1447425
1028015
49314
0.043
0.050
0.035
1994
32476000
39567477
26655492
1363620
1588459
1138781
61986
0.053
0.062
0.044
1995
25991400
32158229
21007154
1206410
1411469
1001351
65547
0.059
0.070
0.049
1996
22842200
28582164
18254955
1188490
1388535
988445
61303
0.060
0.070
0.049
1997
41935600
50472740
34842462
996407
1169334
823480
69808
0.076
0.089
0.062
1998
24300700
30828682
19155020
952651
1125100
780202
62474
0.070
0.082
0.057
1999
36225400
44426676
29538100
929037
1096406
761668
66502
0.077
0.091
0.063
2000
29297500
36635170
23429495
862596
1011871
713321
58852
0.080
0.095
0.066
2001
44302500
53754716
36512359
845412
989778
701046
57806
0.079
0.093
0.065
2002
88455700
102770548
76134759
853908
999354
708462
53969
0.072
0.085
0.059
2003
20003000
26122413
15317115
865183
1007639
722727
53644
0.067
0.078
0.055
2004
21214600
27420794
16413064
906733
1048226
765240
61423
0.071
0.082
0.059
2005
29056700
35935661
23494539
917702
1052628
782776
62911
0.076
0.089
0.064
2006
40779100
48688222
34154770
820345
940764
699926
71318
0.095
0.110
0.081
2007
29579500
36209173
24163679
798769
914358
683180
78678
0.109
0.126
0.092
2008
39542400
47212824
33118150
759534
867959
651109
67914
0.099
0.114
0.085
2009
32637400
39529441
26947001
752855
856428
649282
71248
0.104
0.119
0.089
2010
22329500
28098792
17744769
902399
1016867
787931
72590
0.103
0.118
0.089
2011
30358600
36863937
25001253
801535
904230
698840
81850
0.120
0.137
0.103
2012
23208100
28749965
18734489
810412
913656
707168
106007
0.161
0.184
0.138
2013
26635500
32629167
21742812
807020
907134
706906
114396
0.185
0.21
0.158
2014
45291600
53467926
38365600
746681
845731
647631
115366
0.200
0.23
0.169
2015
25291500
31300639
20436003
704477
798710
610244
114942
0.22
0.25
0.182
2016
30570100
37661450
24813995
659804
752675
566933
130029
0.26
0.30
0.21
2017
21338200
27343820
16651616
643673
742839
544507
104358
0.22
0.26
0.177
2018
29323600
37412737
22983443
651895
759599
544191
97366
0.21
0.25
0.170
2019
39558200
50817726
30793412
580202
688062
472342
88907
0.20
0.25
0.159
2020
24932900
33989103
18289671
591753
713167
470339
72956
0.164
0.20
0.126
2021
16361400
24620788
10872739
564985
689407
440563
71924
0.171
0.21
0.129
2022
35660500
56098649
22668483
548671
683223
414119
78614
0.192
0.25
0.140
2023
23897600
60341366
9464408
526061
674162
377960
66827
0.160
0.21
0.111
2024
29222600
539609
711118
368100
Average
28222653
37518834
21747874
813121
959942
666300
54469
0.085
0.101
0.068
Fishing pressure
Stock size
2021
2022
2023
2022
2023
2024
Maximum sustainable yield
F
MSY
Appropriate
MSY B
trigger
Below trigger
Precautionary approach
F
pa
,F
lim
Undefined
B
pa
,B
lim
Full reproductive capacity
Management plan
F
MGT
B
MGT