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Herring (Clupea harengus) in divisions 7.a South of 52°30’N, 7.g-h, and 7.j-k (Irish Sea, Celtic Sea, and southwest of Ireland)
Species:
Stock Assessment Graphs
Stock code:
her.27.irls
Assessment Year:
2017
Key:
8298
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
54000
F
MSY
0.26
Precautionary approach
B
lim
33000
B
pa
54000
F
lim
0.61
F
pa
0.37
Age and Length
Recruitment
1
F
2-5
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
TBiomass
Low SSB
SSB
High SSB
Landings
Low F
F
High F
1958
247582
416132
584682
232203.8019
110343
164767
219191
22978
0.088168
0.150374
0.21258
1959
1264460
1556490
1848520
286645.1898
125070
166792
208514
15086
0.080407
0.125799
0.171191
1960
252935
360855
468775
227301.4437
130269
164858
199447
18283
0.098353
0.135753
0.173153
1961
291828
388774
485720
199697.479
113428
141465
169502
15372
0.093475
0.124793
0.156111
1962
682624
832844
983064
235138.6391
116330
141843
167356
21552
0.151166
0.200257
0.249348
1963
308002
402677
497352
193625.5312
109858
133336
156814
17349
0.119731
0.158909
0.198087
1964
1168740
1373820
1578900
277029.6749
133347
155841
178335
10599
0.0743304
0.0986074
0.1228844
1965
320641
418496
516351
231376.78
140729
162655
184581
19126
0.109375
0.142096
0.174817
1966
604215
737645
871075
259754.0369
139205
159801
180397
27030
0.156223
0.201389
0.246555
1967
635683
771353
907023
255644.98898
135581
154947
174313
27658
0.1774
0.228178
0.278956
1968
755978
903588
1051198
271640.92956
140204
159294
178384
30236
0.19192
0.245485
0.29905
1969
367477
467116
566755
227459.8544
122291
139707
157123
44389
0.291355
0.367975
0.444595
1970
179562
253033
326504
164334.90544
90678
105402
120126
31727
0.258883
0.332666
0.406449
1971
685999
822709
959419
191512.93908
84146.1
96520.1
108894.1
31396
0.352725
0.457575
0.562425
1972
210732
281054
351376
147479.3972
73848.1
84564.1
95280.1
38203
0.451918
0.568608
0.685298
1973
259312
325801
392290
116937.4089
55171.4
63401.1
71630.8
26936
0.412904
0.523534
0.634164
1974
120893
162111
203329
85331.47806
42390.3
49201.7
56013.1
19940
0.392017
0.501117
0.610217
1975
158480
203103
247726
73138.58179
33331.6
38958.6
44585.6
15588
0.401999
0.522329
0.642659
1976
182437
226247
270057
67917.08473
31244.3
36255.7
41267.1
9771
0.298629
0.392477
0.486325
1977
149118
185503
221888
64001.119636
31951.5
37006.6
42061.7
7833
0.224274
0.293641
0.363008
1978
115887
147208
178529
58886.26931
30788.9
35919.9
41050.9
7559
0.205484
0.270054
0.334624
1979
231854
280881
329908
70746.17667
30952.3
35947.4
40942.5
10321
0.326957
0.427757
0.528557
1980
129516
167500
205484
60098.16213
28097.8
32988
37878.2
13130
0.422308
0.550278
0.678248
1981
392847
464006
535165
86567.392984
31311.5
36292.9
41274.3
17103
0.661159
0.851749
1.042339
1982
623029
721610
820191
125879.37164
50131.4
57056.5
63981.6
13000
0.359823
0.469843
0.579863
1983
676839
781099
885359
158037.889591
67226.8
75684.1
84141.4
24981
0.452196
0.573156
0.694116
1984
570040
662563
755086
147453.10372
69608.9
78063.5
86518.1
26779
0.387494
0.486699
0.585904
1985
551854
637792
723730
152396.326642
75252
83967.1
92682.2
20426
0.260592
0.328071
0.39555
1986
565525
648198
730871
168660.587148
82543.5
91661.3
100779.1
25024
0.301473
0.37733
0.453187
1987
1065190
1189280
1313370
208692.705194
93956.7
103654
113351.3
26200
0.322336
0.403662
0.484988
1988
408178
473219
538260
168324.57717
96605
107080
117555
20447
0.190117
0.239719
0.289321
1989
497394
572427
647460
162265.70617
84708.6
94036.7
103364.8
23254
0.234966
0.292773
0.35058
1990
431412
501415
571418
145282.85217
78541.2
87666.9
96792.6
18404
0.202506
0.254926
0.307346
1991
166819
207514
248209
110091.96784
61790.3
69598.1
77405.9
25562
0.31445
0.391072
0.467694
1992
845284
954574
1063864
150729.4609
62212
69382.8
76553.6
21127
0.399093
0.502893
0.606693
1993
299623
358080
416537
117550.7237
64282.6
72004.9
79727.2
18618
0.268285
0.338547
0.408809
1994
668312
762863
857414
149565.2415
70651.4
78742.2
86833
19300
0.263863
0.331115
0.398367
1995
625103
714985
804867
147631.35731
72201.2
80166.9
88132.6
23305
0.321849
0.400682
0.479515
1996
293826
349939
406052
114557.8822
63344
70750.2
78156.4
18816
0.254631
0.318836
0.383041
1997
309977
368348
426719
102788.13042
51927.4
58228.3
64529.2
20496
0.340086
0.423264
0.506442
1998
200047
244887
289727
81054.44408
40853.2
46259.5
51665.8
18041
0.373832
0.466561
0.55929
1999
401702
467131
532560
84373.0777
35194.3
39744.7
44295.1
18485
0.53741
0.66692
0.79643
2000
388161
449799
511437
82315.52859
34466.1
38858.1
43250.1
17191
0.56602
0.69758
0.82914
2001
387790
451961
516132
76461.86364
32985.1
37397
41808.9
15269
0.487988
0.605788
0.723588
2002
427177
490296
553415
89668.9421
42196.9
47722.9
53248.9
7465
0.189844
0.241479
0.293114
2003
112999
143963
174927
59050.01034
32913.8
37602.3
42290.8
11536
0.280201
0.356627
0.433053
2004
300406
359862
419318
65580.065894
30057.2
35015.4
39973.6
12743
0.331429
0.422611
0.513793
2005
919940
1087700
1255460
115933.312479
44690.3
52586.1
60481.9
9494
0.247344
0.32884
0.410336
2006
297952
370229
442506
103166.36679
56179.9
66860.9
77541.9
6944
0.099827
0.135984
0.172141
2007
676092
823782
971472
123881.64508
60231.5
72267.5
84303.5
7636
0.094384
0.128072
0.16176
2008
269675
348151
426627
127074.80365
73798.5
89064.5
104330.5
5872
0.0540354
0.0740204
0.0940054
2009
1057480
1274910
1492340
188725.08072
89837
107503
125169
5745
0.0498626
0.0682456
0.0866286
2010
822650
1006760
1190870
198571.28512
104373
124130
143887
8370
0.0624794
0.0848084
0.1071374
2011
1089400
1325620
1561840
228858.18931
119301
141733
164165
11470
0.076188
0.103645
0.131102
2012
718625
905675
1092725
209867.6063
113906
136910
159914
21820
0.140473
0.190997
0.241521
2013
363613
494823
626033
180057.255
103855
127485
151115
16247
0.106709
0.149353
0.191997
2014
249807
357287
464767
149182.9925
81819
103650
125481
19574
0.144369
0.204775
0.265181
2015
76246
132033
187820
99431.0695
52069
69979
87889
18355
0.181025
0.272632
0.364239
2016
103103
263363
423623
74490.6709
30282.2
46048.2
61814.2
16318
0.22354
0.40513
0.58672
2017
496445
37795
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data