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Stock Assessment Graphs
Stock assessment graphs
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Herring (Clupea harengus) in Division 5.a, summer-spawning herring (Iceland grounds)
Species:
Stock Assessment Graphs
Stock code:
her.27.5a
Assessment Year:
2024
Key:
19012
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Harvest rate
Fishing pressure units
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
200000
B
pa
273000
F
lim
F
pa
Age and Length
Recruitment
2
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Low F
F
High F
1980
137486
226391
372787
176637
208998
247288
53300
0.22
0.24
0.27
1981
587547
921888
1446483
152151
179303
211299
39500
0.174
0.195
0.22
1982
189421
300908
478013
154753
179300
207740
56500
0.26
0.29
0.33
1983
198185
315887
503492
186956
220254
259483
58900
0.178
0.198
0.22
1984
319235
500945
786084
213434
254720
303992
50300
0.153
0.174
0.197
1985
425741
674822
1069627
237606
278641
326762
49400
0.14
0.156
0.175
1986
314751
494654
777383
252698
287042
326053
65500
0.193
0.22
0.24
1987
183213
285792
445804
279526
322298
371615
75400
0.198
0.22
0.24
1988
369163
571287
884077
302058
350103
405791
92800
0.22
0.25
0.27
1989
231105
339521
498797
299607
344274
395599
101000
0.25
0.28
0.31
1990
559003
863929
1335188
296766
337537
383910
105100
0.25
0.29
0.32
1991
578087
877150
1330929
277365
313281
353849
109500
0.29
0.32
0.36
1992
429225
658769
1011068
306662
348721
396549
108500
0.26
0.29
0.32
1993
551869
815586
1205324
377771
436485
504325
102700
0.195
0.22
0.24
1994
174542
273084
427262
399487
457675
524338
134000
0.24
0.26
0.29
1995
170326
266282
416297
379994
434034
495759
125851
0.25
0.27
0.29
1996
510371
752656
1109962
292200
334077
381956
95851
0.25
0.28
0.31
1997
234770
345866
509533
254584
291413
333570
64931
0.2
0.23
0.25
1998
541471
807477
1204163
290825
333151
381637
87238
0.198
0.22
0.25
1999
318922
489880
752480
291339
332741
380026
92896
0.25
0.28
0.31
2000
381964
567046
841808
315079
360047
411432
100332
0.24
0.26
0.29
2001
1085813
1629138
2444336
278321
318254
363917
95278
0.27
0.3
0.34
2002
646991
965403
1440519
283202
325373
373823
96208
0.29
0.33
0.39
2003
349546
543839
846128
357402
422752
500051
125717
0.22
0.25
0.28
2004
731642
1089317
1621846
447120
532734
634743
114237
0.176
0.195
0.22
2005
438001
677991
1049479
470888
556640
658008
103043
0.174
0.194
0.22
2006
461277
716573
1113163
555438
650692
762282
135303
0.148
0.17
0.194
2007
357807
559330
874354
511265
593525
689020
158917
0.23
0.25
0.28
2008
299262
468212
732546
496077
580663
679672
151780
0.23
0.25
0.27
2009
303697
449879
666423
421493
502247
598472
46332
0.076
0.083
0.092
2010
432598
640205
947443
414310
487572
573789
43533
0.076
0.083
0.091
2011
297782
466260
730058
422746
490470
569044
49446
0.088
0.097
0.107
2012
373353
588343
927130
442067
508573
585084
71976
0.2
0.22
0.25
2013
203792
323844
514618
372662
435405
508712
72058
0.125
0.139
0.155
2014
230194
344987
517023
405849
475291
556615
94975
0.171
0.187
0.21
2015
292815
436981
652126
338598
400095
472761
69729
0.152
0.166
0.183
2016
176471
264841
397463
309315
367006
435457
60403
0.14
0.154
0.169
2017
264472
395486
591402
294347
351550
419870
35034
0.085
0.093
0.102
2018
198536
300518
454886
291470
347646
414649
40683
0.099
0.109
0.119
2019
565645
846332
1266305
261751
312479
373039
30038
0.079
0.087
0.096
2020
467229
706366
1067899
271168
322300
383074
36099
0.096
0.106
0.117
2021
405127
691530
1180405
321827
384672
459789
70084
0.155
0.17
0.187
2022
186163
356200
681542
326760
402029
494637
72804
0.154
0.17
0.186
2023
255793
621438
1509760
345745
446153
575720
94422
0.178
0.195
0.21
2024
200987
537005
1434787
297816
412137
570340
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
MGT B_{trigger}
273000
HR_{MGT}
0.19
HR_{pa}
0.25
HR_{lim}
0.34
custom5
Custom fish data column names
CustomName1
B4+
Custom fish data
Year
Custom1
1980
219781
1981
199018
1982
190931
1983
289189
1984
280365
1985
303415
1986
295753
1987
342275
1988
374578
1989
355145
1990
360219
1991
314508
1992
358426
1993
469128
1994
476511
1995
465892
1996
349380
1997
291936
1998
362393
1999
339032
2000
382093
2001
332572
2002
304785
2003
451888
2004
572470
2005
561623
2006
696662
2007
619541
2008
611368
2009
551279
2010
534684
2011
527600
2012
551087
2013
460977
2014
515179
2015
423639
2016
383547
2017
383752
2018
372443
2019
336663
2020
332504
2021
411300
2022
427514
2023
480257
2024
428249
Sensivity data