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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:
2018
Key:
9695
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Harvest rate
Fishing pressure units
Pressure
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
273000
F
MSY
0.22
Precautionary approach
B
lim
200000
B
pa
273000
F
lim
0.61
F
pa
0.45
Age and Length
Recruitment
3
F
Fish data
Year
Recruitment
SSB
Landings
Catches
F
1987
529827
383813
75450
75450
0.181650090644479
1988
270995
423300
92814
92814
0.205210408435352
1989
447329
385512
100714
100714
0.251103880723537
1990
300823
349855
104227
104227
0.280574571238596
1991
840553
309712
106828
106828
0.344414246243226
1992
1033108
343178
107409
107409
0.307348270237789
1993
635442
423579
102629
102629
0.226253910374977
1994
691732
440712
133653
133653
0.290145058418468
1995
202712
406155
125480
125480
0.288204692398682
1996
181394
307447
95859
95859
0.297434576742396
1997
772577
268849
64807
64807
0.243031414417556
1998
320497
298332
86077
86077
0.266160177858585
1999
552653
289637
92568
92568
0.311781744695184
2000
391428
306368
99900
99900
0.308177342332893
2001
468866
271958
93633
93633
0.331455980742681
2002
1457240
297412
95969
95969
0.345343908108847
2003
1076467
389846
128817
128817
0.313080568720379
2004
665505
487106
112382
112382
0.217391388452038
2005
993766
526849
102446
102446
0.190318901104617
2006
738424
613918
129764
129764
0.20019932919247
2007
662072
570696
158029
158029
0.264482796710304
2008
530931
567326
150674
150674
0.252941136971032
2009
458046
492463
45728
45728
0.083557631339959
2010
440010
454982
43415
43415
0.0846778283155324
2011
561890
430798
49390
49390
0.10387310614027
2012
440725
440318
73319
73319
0.158537165493262
2013
465972
397348
71454
71454
0.172431351066987
2014
244732
421221
95003
95003
0.212257838211013
2015
198636
359306
69748
69748
0.184611801201136
2016
143105
323927
60386
60386
0.177049218779778
2017
29647
271722
35034
35034
0.116850889539654
2018
496000
221547
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
MGTBtrigger
200000
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
F
Biomass 4+
Custom fish data
Year
Custom1
Custom2
1987
0.347354680474561
415359
1988
0.265668837260079
452287
1989
0.322395793354203
401085
1990
0.399666472179384
371477
1991
0.435886285291588
310173
1992
0.415070682407656
349470
1993
0.24809930630539
453601
1994
0.31237057351774
460642
1995
0.343453659620119
435385
1996
0.360738609643307
322286
1997
0.250102755455022
266661
1998
0.279775442147336
323403
1999
0.377076605864764
296900
2000
0.334888354434761
324164
2001
0.41437233065619
282490
2002
0.41781068842774
277894
2003
0.279363626678208
411450
2004
0.243836376357291
516957
2005
0.252272133539474
538286
2006
0.143156750521753
648174
2007
0.320403873378897
597502
2008
0.308681900740123
595688
2009
0.0878129854341229
547263
2010
0.099915655969471
512708
2011
0.1240194578092
475484
2012
0.204731019874378
462472
2013
0.171282913060277
414391
2014
0.277320533686499
447583
2015
0.22904074349194
377809
2016
0.205428264859112
341069
2017
0.114705466162681
299818
2018
234570.583
Sensivity data