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Stock Assessment Graphs
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Herring (Clupea harengus) in subdivisions 20-24, spring spawners (Skagerrak, Kattegat, and western Baltic)
Species:
Stock Assessment Graphs
Stock code:
her.27.20-24
Assessment Year:
2021
Key:
14095
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Year-1
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
150000
F
MSY
0.31
Precautionary approach
B
lim
120000
B
pa
150000
F
lim
0.45
F
pa
0.41
Age and Length
Recruitment
0
F
3-6
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Low F
F
High F
1991
3862967
5022943
6531238
496633.7244
591240.5707
703869.6635
238967
294077
361896
191573.1096
191573.1096
0.319
0.436
0.597
1992
2880796
3630255
4574690
437446.0443
518500.9547
614574.6281
245962
300530
367206
194408.2183
194408.2183
0.393
0.506
0.652
1993
2369000
3060821
3954675
379981.5619
452237.9095
538234.3441
233802
284750
346799
185009.6325
185009.6325
0.445
0.574
0.739
1994
3526940
4514044
5777413
313585.1461
372079.3806
441484.768
185793
225900
274666
172438.8966
172438.8966
0.468
0.598
0.766
1995
3323087
4196456
5299361
264888.104
314615.4781
373678.1591
158677
193972
237118
150819.6448
150819.6448
0.464
0.604
0.785
1996
3327521
4185013
5263477
237487.933
277978.7171
325373.025
110267
133192
160884
121260.2811
121260.2811
0.513
0.656
0.84
1997
2725647
3489204
4466663
237384.1412
278868.8735
327603.3867
121995
147001
177132
115584.9068
115584.9068
0.496
0.635
0.811
1998
3631603
4590581
5802791
225752.8018
263238.7041
306949.0822
99253
118707
141973
107032.9467
107032.9467
0.48
0.618
0.794
1999
3901140
4901369
6158050
229986.4355
267183.1119
310395.7638
99572
119183
142657
97234.4007
97234.4007
0.411
0.528
0.679
2000
2385673
2993894
3757179
220967.3289
256794.6051
298430.8563
103364
123386
147287
118276.7949
118276.7949
0.457
0.573
0.718
2001
2222439
2757400
3421131
238691.0164
276821.3128
321042.8293
114973
136051
160994
105802.6189
105802.6189
0.479
0.602
0.756
2002
2202127
2740576
3410681
246200.4992
285552.7962
331195.102
135316
159982
189145
106188.6645
106188.6645
0.392
0.493
0.621
2003
2370559
2956361
3686924
191147.16
221618.5277
256947.4316
108886
129160
153209
78309.53221
78309.53221
0.359
0.453
0.572
2004
1654831
2064667
2576004
196300.6818
227433.4593
263503.8143
112816
133609
158235
76814.37078
76814.37078
0.393
0.497
0.628
2005
1420549
1769476
2204110
183495.4502
213085.0062
247446.0257
102745
121380
143394
88403.674
88403.674
0.422
0.528
0.66
2006
1086272
1361515
1706499
193570.6301
225861.1172
263538.1422
112128
133027
157821
88930.88793
88930.88793
0.383
0.478
0.596
2007
1135240
1421277
1779384
151210.857
177349.3565
208006.1901
91526
109135
130132
68179.98468
68179.98468
0.428
0.534
0.666
2008
936407
1169516
1460655
133251.6091
155359.9731
181136.4337
75015
89005
105604
69575.7096
69575.7096
0.461
0.575
0.716
2009
922140
1148604
1430684
120200.371
139032.3838
160814.8425
67504
79609
93885
67261.35413
67261.35413
0.413
0.524
0.665
2010
1193680
1487230
1852970
106752.8311
123334.2032
142491.0753
62977
74031
87026
42213.5123
42213.5123
0.318
0.406
0.517
2011
1095129
1359643
1688048
98150.48619
114133.3955
132718.9755
58786
69532
82242
27771.21831
27771.21831
0.247
0.319
0.411
2012
946166
1179901
1471377
107488.6037
124511.4106
144230.0937
61555
72538
85482
38647.75771
38647.75771
0.293
0.379
0.489
2013
1275657
1685120
2226013
118257.3786
137014.9936
158747.8827
68786
80985
95348
43829.37292
43829.37292
0.309
0.401
0.521
2014
909546
1156414
1470288
121552.9781
141249.0206
164136.5445
70353
83868
99980
37358.37708
37358.37708
0.267
0.347
0.45
2015
737352
940624
1199933
122569.8282
143826.4538
168769.5016
70660
84718
101573
37490.84338
37490.84338
0.334
0.425
0.542
2016
688624
900718
1178135
105335.0303
124973.6711
148273.7359
66987
80484
96701
51298.0524
51298.0524
0.375
0.482
0.619
2017
718431
969757
1309003
97673.18726
116269.7615
138407.0471
61120
73684
88832
46339.89142
46339.89142
0.378
0.504
0.673
2018
561813
810280
1168633
80121.69299
98793.03863
121815.5049
49773
62561
78634
41057.83554
41057.83554
0.348
0.48
0.664
2019
423391
676518
1080977
78061.72981
102046.82
133401.5208
43056
57841
77703
25420.33091
25420.33091
0.202
0.288
0.411
2020
295053
582158
1148633
68952.94878
94522.55968
129574.0711
41725
58434
81834
22129.65362
22129.65362
0.123
0.193
0.301
2021
859579
65046
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data