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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:
2023
Key:
17790
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
533515
F
MSY
0.271
Precautionary approach
B
lim
376571
B
pa
533515
F
lim
0.496
F
pa
0.272
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
9149410.21399245
19616800
42059415.114155
935249.9505
1078880
1222510.0495
29739
0.0255678723
0.0295163
0.0334647277
1964
8533753.32134939
17989500
37922599.5952305
934355.47
1077000
1219644.53
25204
0.02183179245
0.0251731
0.02851440755
1965
7938967.94971556
16462800
34138415.1638641
913501.322
1054110
1194718.678
27541
0.02474830595
0.028655
0.03256169405
1966
7334070.39411285
14970400
30557775.4393929
823115.8865
972410
1121704.1135
22164
0.02104772275
0.0247178
0.02838787725
1967
6667796.30041
13376900
26836670.7001828
740439.976
893246
1046052.024
27772
0.02818292285
0.0336372
0.03909147715
1968
6311678.11449736
12345300
24146737.0999063
659513.301
810699
961884.699
28966
0.0318498085
0.0387139
0.0455779915
1969
6226528.74498914
11766800
22236720.9581142
577391.9565
721149
864906.0435
35996
0.04400595655
0.054456
0.06490604345
1970
10573173.6929473
17800300
29967414.6374187
519922.063
664206
808489.937
32790
0.0425073119
0.0538739
0.0652404881
1971
7869728.11619135
13292500
22451926.3742382
397993.816
509359
620724.184
36347
0.0615747225
0.07832
0.0950652775
1972
11506562.360583
17745600
27367541.1901252
418207.1955
544925
671642.8045
34092
0.05161369915
0.0668476
0.08208150085
1973
16624917.8955226
23798800
34068311.4947917
443825.014
588004
732182.986
26507
0.03648667705
0.0479683
0.05944992295
1974
13351386.5042453
19048000
27175177.9401063
384974.846
506516
628057.154
26776
0.04130676105
0.0540399
0.06677303895
1975
31263672.2613843
40792900
53226654.7735464
413927.068
540496
667064.932
21811
0.0316265342
0.0413321
0.0510376658
1976
10857577.1146079
14912500
20481793.8571954
423368.896
551671
679973.104
30520
0.04324164485
0.0566847
0.07012775515
1977
6861065.05838522
9553010
13301141.9194411
459887.955
596622
733356.045
33634
0.04310675865
0.0567761
0.07044544135
1978
6873303.28804824
9371230
12776964.4423529
521151.152
677463
833774.848
34873
0.0437177398
0.0578298
0.0719418602
1979
19156827.9969659
24351600
30955042.3824822
473738.3435
621574
769409.6565
26109
0.0350929514
0.0465005
0.0579080486
1980
10429544.2584661
13712700
18029372.7731545
413272.1985
545482
677691.8015
29809
0.04364699995
0.0578889
0.07213080005
1981
16191181.8873053
20726200
26531439.7324391
420915.5645
557253
693590.4355
21526
0.02987573625
0.0393752
0.04887466375
1982
27099736.8337769
33792900
42139157.9340605
438392.2745
576378
714363.7255
26499
0.0374519607
0.0493689
0.0612858393
1983
35868758.7381971
44077000
54163623.0899482
479331.874
630308
781284.126
26208
0.0317509482
0.0417967
0.0518424518
1984
29732531.6847678
36644900
45164290.4225996
532707.979
691335
849962.021
34545
0.03674654685
0.0480386
0.05933065315
1985
11901990.6405472
15408000
19946786.312469
593313.145
759621
925928.855
35432
0.035294231
0.0457107
0.056127169
1986
24719290.0061709
30480100
37583461.9755696
676101.47
853620
1031138.53
35579
0.0346264739
0.0445198
0.0544131261
1987
11269029.5069216
14678000
19118211.0107771
752155.67
945861
1139566.33
32628
0.02951963105
0.0376369
0.04575416895
1988
52907300.4176857
63161600
75403350.446254
729739.95
918734
1107728.05
36418
0.0315170992
0.0397471
0.0479771008
1989
48083185.349827
57661700
69148323.3213449
842863.455
1049510
1256156.545
33086
0.02647464215
0.032968
0.03946135785
1990
26242111.6641796
32257700
39652266.6546823
966146.595
1181130
1396113.405
39180
0.02994693565
0.0369333
0.04391966435
1991
30733319.1319157
37430100
45586107.377354
1090959.985
1316830
1542700.015
33419
0.0236829255
0.0290754
0.0344678745
1992
33059429.8092382
39868500
48079997.1875447
1063207.305
1279510
1495812.695
46610
0.0335496772
0.0409631
0.0483765228
1993
20237643.7285289
25154300
31265438.653712
1022963.305
1231370
1439776.695
49314
0.0352940317
0.0429672
0.0506403683
1994
26576437.0600583
32375500
39439936.8839887
1133523.85
1357030
1580536.15
61986
0.04379806525
0.0529682
0.06213833475
1995
20937381.9449288
25902900
32046042.3454478
996549.825
1200390
1404230.175
65547
0.04937773585
0.0596693
0.06996086415
1996
18192946.9210562
22763300
28481797.3217017
983864.695
1182760
1381655.305
61303
0.0496163455
0.0599833
0.0703502545
1997
34746314.4660003
41814700
50320995.5634545
819534.085
991481
1163427.915
69808
0.06269336485
0.0759785
0.08926363515
1998
19091588.2752606
24220400
30727028.4536865
776258.49
947730
1119201.51
62474
0.0574936304
0.0699701
0.0824465696
1999
29458567.4435645
36126600
44303961.1501922
757844.19
924282
1090719.81
66502
0.06377054835
0.0778415
0.09191245165
2000
23354196.86268
29205100
36521823.9370498
709919.46
858384
1006848.54
58852
0.06582133675
0.0804254
0.09502946325
2001
36415936.5221607
44189700
53622940.1899819
697794.05
841419
985043.95
57806
0.06510933135
0.0794675
0.09382566865
2002
76104580.313177
88439800
102774342.777444
705187.675
849923
994658.325
53969
0.05924524275
0.0722326
0.08521995725
2003
15328643.6426892
20025600
26161783.4368056
719527.758
861359
1003190.242
53644
0.05542939705
0.0669834
0.07853740295
2004
16454015.9844085
21279400
27519899.384386
762311.1625
903300
1044288.8375
61423
0.0590273028
0.070788
0.0825486972
2005
23516877.4115363
29104000
36018507.0992665
780434.6505
915083
1049731.3495
62911
0.06428612845
0.0765157
0.08874527155
2006
34041686.0846355
40678400
48608997.2877944
698153.6865
818430
938706.3135
71318
0.080681979
0.0956676
0.110653221
2007
24048151.8835013
29460100
36089987.1314202
681837.56
797435
913032.44
78678
0.0925719835
0.109413
0.1262540165
2008
32991547.2464698
39421200
47103914.1580815
649694.8005
758237
866779.1995
67914
0.0846994166
0.0994829
0.1142663834
2009
26849254.4434195
32542200
39442241.6112767
647432.3185
751256
855079.6815
71248
0.08882053485
0.104004
0.11918746515
2010
17688020.09305
22273700
28048233.1589468
784997.8555
900023
1015048.1445
72590
0.08857582725
0.103412
0.11824817275
2011
24886753.581938
30251400
36772462.0628775
695865.126
799206
902546.874
81850
0.103142388
0.120128
0.137113612
2012
18506922.3809511
22969500
28508139.7862807
703735.4825
807850
911964.5175
106007
0.1382460925
0.161397
0.1845479075
2013
21385122.5018679
26278100
32290604.8141498
702607.377
803968
905328.623
114396
0.1581864475
0.185287
0.2123875525
2014
37710706.2689619
44750500
53104474.7867333
642078.89
742618
843157.11
115366
0.1692290185
0.200574
0.2319189815
2015
19829361.1939372
24727600
30835799.2867138
602240.228
698528
794815.772
114942
0.1825196805
0.217787
0.2530543195
2016
24154359.6134989
30094500
37495464.3692499
556886.558
652592
748297.442
130029
0.2144526985
0.2603
0.3061473015
2017
15109217.0043401
19752100
25821685.8158786
530503.471
633744
736984.529
104358
0.1781380685
0.220521
0.2629039315
2018
20315730.7402916
26683900
35048235.6904765
525071.11
638711
752350.89
97366
0.170582812
0.215844
0.261105188
2019
26836476.8298757
35812600
47791009.486469
446935.2845
561006
675076.7155
88907
0.160665128
0.209544
0.258422872
2020
14570557.7898075
21175600
30774802.2984865
430739.2385
559409
688078.7615
72956
0.1287844375
0.17322
0.2176555625
2021
7638957.43427399
13416100
23562343.5211752
389977.973
522158
654338.027
71924
0.1332915475
0.185758
0.2382244525
2022
9101675.28881156
23010100
58172224.9156546
351141.491
492750
634358.509
78614
0.146273895
0.215609
0.284944105
2023
26570110
299096.9325
449913
600729.0675
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data