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Stock Assessment Graphs
Stock assessment graphs
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Herring (Clupea harengus) in Subarea 4 and divisions 3.a and 7.d, autumn spawners (North Sea, Skagerrak and Kattegat, eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
her.27.3a47d
Assessment Year:
2018
Key:
9353
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
1400000
F
MSY
0.26
Precautionary approach
B
lim
800000
B
pa
900000
F
lim
0.34
F
pa
0.3
Age and Length
Recruitment
0
F
2-6
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Catches
Low F
F
High F
1947
31048847
57010412
104679801
7270887
9667874
12855075
3960857
5540666
7750591
581760
0.08043
0.1192
0.1766
1948
32030761
56145093
98413880
6384192
8451896
11189285
3250560
4518043
6279754
502100
0.08253
0.1187
0.1706
1949
28996971
50464602
87825589
6276331
8248969
10841603
3193511
4385052
6021174
508500
0.0911
0.1304
0.1867
1950
40807054
69407566
118053370
6308804
8224338
10721484
3191410
4330431
5875971
491700
0.09754
0.1369
0.1921
1951
36770673
61716445
103585802
6521519
8444952
10935674
3061719
4136475
5588502
600400
0.1208
0.1663
0.2289
1952
35500688
58747959
97218475
6351662
8219112
10635611
3050600
4136991
5610272
664400
0.1218
0.1686
0.2335
1953
37083678
59467218
95361362
6107571
7870839
10143167
2868445
3910341
5330680
698500
0.1266
0.1758
0.2442
1954
36004078
56609612
89007922
5956182
7641256
9803059
2670966
3663333
5024402
762900
0.141
0.1969
0.275
1955
30717022
47813982
74427034
5600106
7160559
9155826
2609265
3560315
4858014
806400
0.1396
0.194
0.2694
1956
22562852
34964602
54183017
5083296
6464579
8221197
2415453
3291184
4484416
675200
0.1432
0.1958
0.2677
1957
55574114
86471368
134546411
5106941
6426450
8086890
2191780
2972322
4030833
682900
0.1531
0.2089
0.285
1958
21247311
32612252
50056167
5035223
6311226
7910589
1783860
2418186
3278072
670500
0.1619
0.2183
0.2943
1959
23864495
37555591
59101290
5523170
6867263
8538448
2710170
3599932
4781806
784500
0.1776
0.2379
0.3186
1960
9904339
15555432
24430852
4534381
5602146
6921351
2257044
2981129
3937507
696200
0.1569
0.207
0.273
1961
45593300
70626790
109405186
4668420
5682752
6917473
2215126
2865721
3707399
696700
0.1892
0.2427
0.3114
1962
20644543
31537174
48177058
4284608
5200841
6313005
1534499
2007076
2625192
627800
0.2116
0.2732
0.3528
1963
28196013
42042143
62687652
4769468
5739796
6907534
2288959
2912219
3705187
716000
0.1499
0.1913
0.2442
1964
29703938
44071367
65388146
4915081
5707360
6627348
2161882
2649679
3247540
871200
0.2329
0.2828
0.3433
1965
14384808
21386902
31797404
4491281
5108693
5810980
1778526
2126231
2541912
1168800
0.3949
0.4748
0.5708
1966
15191235
22258706
32614200
3350798
3780918
4266249
1371020
1628395
1934087
895500
0.4087
0.4817
0.5678
1967
19575886
28554312
41650671
2611408
2926212
3278966
879049
1031637
1210712
695500
0.5468
0.6402
0.7495
1968
20146297
29461218
43083023
2217010
2516820
2857173
484760
570384
671133
717800
0.8368
0.9793
1.146
1969
9246074
13785776
20554412
1652600
1900534
2185664
402933
495514
609368
546700
0.7425
0.869
1.017
1970
19971850
29192220
42669340
1622933
1862808
2138136
385243
475644
587260
563100
0.8074
0.9329
1.078
1971
15604313
22447234
32290965
1489116
1721215
1989488
268044
327069
399091
520100
1.101
1.278
1.483
1972
10906409
15653161
22465823
1326829
1521647
1745070
272326
333097
407431
497500
0.5533
0.6546
0.7745
1973
5460461
7910321
11459322
1071733
1210433
1367082
245354
296100
357342
484000
0.7588
0.8753
1.01
1974
9685020
14307598
21136494
766657
875349
999450
166478
199150
238235
275100
0.7542
0.8753
1.016
1975
2120137
3221820
4895968
594138
705250
837143
93289
113624
138393
312800
0.8724
1.054
1.272
1976
2656366
4171184
6549841
425186
507756
606362
114911
152709
202941
174800
0.6293
0.8169
1.06
1977
3096452
4999661
8072664
280969
351173
438918
75388
103618
142419
46000
0.2709
0.3672
0.4977
1978
3197957
5307598
8808935
330395
422332
539850
101084
137193
186202
11000
0.1891
0.2628
0.3654
1979
6328379
10119897
16183024
445144
558581
700925
138473
181098
236843
25100
0.1568
0.2153
0.2956
1980
10481487
15392756
22605279
615330
757008
931306
157019
198595
251180
70764
0.151
0.1911
0.2418
1981
25985941
36813217
52151775
1113290
1363681
1670387
234771
297379
376683
174879
0.1702
0.2139
0.2688
1982
41495025
58141143
81465007
1697276
2074207
2534847
330868
414810
520047
275079
0.1515
0.1891
0.2359
1983
41436356
57095225
78671606
2369504
2849803
3427460
505716
630887
787039
387202
0.1916
0.2362
0.2912
1984
39086275
54817934
76881356
3113039
3676539
4342039
841164
1048404
1306703
428631
0.2523
0.3081
0.3763
1985
46307704
66142150
94472058
3584875
4190707
4898924
927828
1137082
1393529
613780
0.3192
0.3916
0.4805
1986
55610634
79764521
114409393
4004271
4699795
5516129
947644
1150429
1396606
671488
0.3026
0.3687
0.4494
1987
54009482
76685393
108881797
4072615
4744084
5526261
1120280
1361419
1654463
792058
0.2952
0.3567
0.4311
1988
30746315
43716643
62158501
3979686
4598687
5313967
1460970
1772461
2150364
887686
0.2824
0.3397
0.4087
1989
26215759
37172373
52708196
3515818
3995999
4541762
1521855
1796407
2120490
787899
0.2761
0.3289
0.3917
1990
21505525
30841310
44229863
3468708
3933492
4460553
1611393
1891784
2220966
645229
0.226
0.2702
0.3231
1991
23964561
34062991
48416799
3290785
3731640
4231554
1428275
1671160
1955349
658008
0.2493
0.2967
0.3532
1992
47129756
64013959
86946915
3344449
3807344
4334306
1110844
1303369
1529262
716799
0.2755
0.3291
0.3931
1993
47999736
66075478
90958184
3087433
3562117
4109783
799717
945614
1118127
671397
0.312
0.3731
0.4462
1994
36132456
50599536
70859091
2930499
3442451
4043841
847845
1005754
1193074
568234
0.3258
0.3897
0.4662
1995
42187064
58787521
81920197
2870296
3368584
3953377
897560
1075217
1288037
579371
0.2792
0.3392
0.4121
1996
33851646
47093490
65515183
2820348
3308800
3881846
1000805
1195872
1428960
275098
0.1547
0.1936
0.2424
1997
26860886
37743240
53034445
2867732
3341315
3893107
1137025
1353060
1610141
264313
0.1432
0.1758
0.2157
1998
17765407
24540245
33898666
3140068
3630314
4197099
1338378
1577827
1860115
391628
0.1669
0.2028
0.2464
1999
55989875
77447966
107129859
3152327
3628838
4177378
1374359
1620657
1911094
363163
0.1615
0.1952
0.2359
2000
38388714
52720654
72403242
3856612
4474097
5190447
1427654
1680645
1978468
388157
0.1626
0.1965
0.2376
2001
70327783
98596630
138228379
4356603
5053217
5861217
1823906
2147021
2527377
374065
0.1397
0.1702
0.2073
2002
34299041
47474912
65712254
5118678
5973574
6971250
2156683
2538986
2989058
394709
0.1298
0.1585
0.1935
2003
19207565
26513951
36599622
5434047
6305265
7316161
2228809
2608513
3052904
482281
0.1538
0.1866
0.2262
2004
22522260
31143087
43063700
4605694
5291716
6079921
2167693
2536538
2968142
587698
0.1899
0.2337
0.2875
2005
21076452
28861577
39522336
3890564
4440273
5067651
1986802
2333016
2739560
663813
0.2055
0.2517
0.3084
2006
19105961
26320079
36258137
3293979
3757933
4287235
1620724
1899836
2227015
514597
0.1828
0.2241
0.2746
2007
21654813
30295733
42384640
2730786
3133424
3595429
1310467
1540249
1810322
406482
0.158
0.1944
0.2391
2008
20319848
28331385
39501642
2751445
3177342
3669164
1374849
1612816
1891971
257870
0.1004
0.1219
0.148
2009
33386751
46331823
64296099
3137306
3637394
4217196
1620529
1905824
2241346
168443
0.05676
0.07059
0.08778
2010
26840173
37007850
51027279
3816355
4422674
5125320
1710795
2023718
2393878
187611
0.06163
0.0752
0.09177
2011
24137854
33186133
45626236
3862776
4442297
5108762
2079330
2421686
2820411
226478
0.08063
0.09786
0.1188
2012
23057299
31809759
43884618
3873188
4437423
5083854
2190645
2553070
2975455
434710
0.1307
0.1591
0.1937
2013
28073741
39244296
54859619
3753639
4280067
4880323
2001569
2327400
2706272
511416
0.1542
0.1877
0.2285
2014
44578778
62713688
88225985
3975991
4546380
5198595
1932116
2250315
2620919
517356
0.1583
0.1921
0.233
2015
11734758
16493131
23180994
4107988
4748030
5487793
1763182
2059976
2406730
494099
0.1635
0.2027
0.2513
2016
22865083
32135412
45164266
3940218
4591170
5349665
1989106
2357201
2793415
563610
0.1751
0.219
0.2739
2017
12373200
18500941
27663404
3107074
3666807
4327374
1540091
1886844
2311669
498437
0.1632
0.211
0.2728
2018
19457465
35689956
65464486
2471580
3131234
3966948
1151069
1529284
2031772
Custom reference points
Custom fish data column names
CustomName1
CustomName2
CustomName3
model catch
model catch low
model catch high
Custom fish data
Year
Custom1
Custom2
Custom3
1947
848229
698965
1029368
1948
685339
579039
811154
1949
717736
604517
852159
1950
655204
576358
744837
1951
781380
694565
879046
1952
833012
747524
928276
1953
841041
756908
934526
1954
925563
832936
1028491
1955
859022
775982
950948
1956
853782
771531
944801
1957
783309
710347
863766
1958
791762
699147
896646
1959
1155646
1008579
1324159
1960
823109
729175
929145
1961
776817
691917
872135
1962
698799
613122
796449
1963
646076
561307
743647
1964
924608
819865
1042732
1965
1268479
1111931
1447068
1966
968993
875042
1073032
1967
826075
740580
921441
1968
846842
731612
980220
1969
545236
474531
626476
1970
540479
477956
611181
1971
538635
454637
638152
1972
463761
393915
545993
1973
450100
391834
517030
1974
273478
243202
307524
1975
264160
214258
325684
1976
156611
129714
189086
1977
57925
49455
67845
1978
50349
36032
70356
1979
65619
46799
92006
1980
81130
69122
95223
1981
159413
128020
198505
1982
272852
224643
331408
1983
401457
331985
485466
1984
456699
400700
520524
1985
621315
550404
701361
1986
760582
645570
896084
1987
794566
693163
910804
1988
998309
840935
1185133
1989
807811
723270
902233
1990
686280
611632
770038
1991
677131
609923
751746
1992
702965
628002
786877
1993
679707
606051
762316
1994
611892
538528
695250
1995
564060
503843
631475
1996
286055
249567
327878
1997
278522
247955
312856
1998
380805
343078
422681
1999
360719
324592
400867
2000
378409
342391
418216
2001
376325
342131
413937
2002
401361
361687
445388
2003
491518
446910
540579
2004
588801
534289
648875
2005
647146
575758
727386
2006
514629
462191
573017
2007
378818
328880
436340
2008
255201
226301
287790
2009
177168
155796
201472
2010
191116
172628
211585
2011
232641
210267
257396
2012
422493
374779
476282
2013
487624
437174
543898
2014
511903
460124
569509
2015
482750
427307
545387
2016
543735
484946
609651
2017
496840
442802
557473
2018
Sensivity data