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Stock Assessment Graphs
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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:
2018
Key:
9312
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
54000
B
pa
34000
F
lim
0.45
F
pa
0.27
Age and Length
Recruitment
1
F
2-5
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
1958
256980
444688
632400
187210
330644.782
474070
120830
242016
363210
22978
22978
0.080291
0.167468
0.254649
1959
1307760
1659130
2010440
240980
359757.4036
478540
130025
224732
319435
15086
15086
0.057428
0.102799
0.148172
1960
266530
386998
507470
192276
284859.446
377444
135538
212734
289922
18283
18283
0.078765
0.116422
0.154075
1961
307840
417831
527820
172171
245872.4377
319569
118867
179427
239993
15372
15372
0.080238
0.111711
0.143182
1962
712930
887316
1061710
208933
276705.4798
344487
122590
174324
226050
21552
21552
0.130972
0.18008
0.229188
1963
319470
422436
525410
171908
227301.5834
282692
116338
160996
205662
17349
17349
0.104369
0.143044
0.181711
1964
1203330
1428660
1654070
253167
308305.83915
363453
140256
179556
218864
10599
10599
0.06693
0.0904749
0.11402
1965
328690
431089
533490
211957
256077.7959
300203
147795
182988
218185
19126
19126
0.100681
0.132609
0.164539
1966
615510
754255
893010
238930
280740.2968
322550
145875
176646
207425
27030
27030
0.146813
0.191218
0.235627
1967
646050
786034
926010
235466
273190.4706
310914
141771
169038
196309
27658
27658
0.166789
0.216577
0.266371
1968
765740
917327
1068920
250105
286378.04158
322655
146051
171084
196109
30236
30236
0.181992
0.234495
0.287008
1969
369800
470963
572120
208237
238818.0201
269403
127270
149237
171210
44389
44389
0.277484
0.352633
0.427776
1970
180901
255151
329399
148895
173351.71838
197805
94691
113042
131389
31727
31727
0.250127
0.322961
0.395793
1971
690590
829723
968850
175058
199236.87496
223422
87463
102814
118157
31396
31396
0.3398
0.442998
0.5462
1972
213859
285712
357561
134690
153882.6765
173070
76615
89765.2
102915
38203
38203
0.43178
0.547026
0.66228
1973
263530
332104
400670
106819
122393.81427
137961
57312
67696.7
78082
26936
26936
0.3981
0.508457
0.61882
1974
122050
164140
206230
77144
89465.75836
101788
44026.7
52595.3
61163.3
19940
19940
0.3737
0.482487
0.59128
1975
160648
206393
252132
66006
76704.69803
87404
34635
41795.6
48957
15588
15588
0.38154
0.502148
0.62276
1976
186173
231424
276667
61523.9
71232.80688
80942.1
32459.5
38733.3
45006.5
9771
9771
0.281228
0.37393
0.466632
1977
151763
189220
226677
57824.4
66883.511318
75941.6
33180
39213.8
45248
7833
7833
0.2123
0.280275
0.34824
1978
116944
148806
180676
52778.2
61279.36049
69779.8
31936.8
37857.2
43777.2
7559
7559
0.196108
0.259213
0.322312
1979
233519
283391
333261
63282.3
72769.76474
82257.7
31923.3
37514.6
43106.7
10321
10321
0.314374
0.413526
0.512686
1980
131717
170614
209503
53627.6
61907.67991
70188.4
28959.6
34344.5
39730.4
13130
13130
0.40374
0.529246
0.65476
1981
400647
474657
548673
77981
89178.774162
100377
32365.4
37944.4
43522.6
17103
17103
0.62704
0.814115
1.0012
1982
637090
740675
844250
114481
129793.810818
145099
51638.2
59274.2
66909.8
13000
13000
0.33497
0.440947
0.54693
1983
691690
802364
913030
145269
163088.378097
180911
69282.4
78846
88409.6
24981
24981
0.41894
0.536812
0.65468
1984
584392
683048
781708
136461
152841.629453
169219
71838
81710.6
91584
26779
26779
0.357942
0.455441
0.552938
1985
567348
659369
751392
141836
158709.43883
175584
77753
88153.3
98553
20426
20426
0.241751
0.308356
0.374969
1986
582644
672361
762076
157663
176103.689228
194537
85428
96614
107800
25024
25024
0.277714
0.352805
0.427886
1987
1094540
1231990
1369460
196148
218022.604226
239892
97258
109572
121882
26200
26200
0.293119
0.373888
0.454661
1988
418716
488000
557284
157738
176525.06407
195322
100119
113280
126441
20447
20447
0.173815
0.222346
0.270885
1989
510777
590800
670823
151821
170009.0528
188199
87848
99592.9
111338
23254
23254
0.219258
0.276527
0.333802
1990
442182
515953
589718
135462
152369.21255
169278
81584
92943.4
104302
18404
18404
0.188356
0.239647
0.290944
1991
170866
213179
255494
102262
116037.89625
129818
64428.4
74330.4
84231.6
25562
25562
0.29496
0.370847
0.44674
1992
868330
985081
1101830
141082
157878.88676
174678
64863.3
74085.8
83308.7
21127
21127
0.36819
0.46955
0.57091
1993
307549
368564
429571
109844
123714.05415
137576
67154.4
76787.4
86419.6
18618
18618
0.245241
0.313192
0.381139
1994
686770
786168
885570
140259
156670.39796
173081
73754.1
83629.9
93505.9
19300
19300
0.24716
0.312743
0.37832
1995
644224
738739
833256
138953
154658.38415
170367
75435.7
85066.1
94696.3
23305
23305
0.299019
0.375853
0.452681
1996
302461
360980
419499
107601
120512.81501
133419
66434.8
75320.3
84205.2
18816
18816
0.236769
0.299025
0.361271
1997
321962
383439
444918
96655
108599.63038
120545
54816.8
62511
70205.2
20496
20496
0.315266
0.396035
0.476794
1998
209752
257411
305068
76326
86622.33357
96918
43665.8
50436.1
57206.2
18041
18041
0.340698
0.430263
0.519822
1999
436108
512151
588192
81411
92481.52369
103553
38484.2
44700.2
50915.8
18485
18485
0.47184
0.597031
0.72222
2000
431964
512489
593016
81275
93585.67378
105897
38772.3
45629.5
52487.7
17191
17191
0.46076
0.589292
0.71782
2001
448443
539529
630617
77846
91129.20168
104412
38533.9
46286.9
54040.1
15269
15269
0.36879
0.483617
0.59845
2002
490080
594106
698140
93248
110487.05852
127732
50071
60237.6
70405
7465
7465
0.137826
0.186297
0.234774
2003
118073
160420
202767
60892
73104.69583
85318
39698.8
48816
57933.2
11536
11536
0.200195
0.270592
0.340985
2004
326217
418095
509983
66280
81900.98879
97522
36030
46103.2
56176
12743
12743
0.245429
0.338818
0.432211
2005
991100
1257320
1523500
110271
139235.1039
168209
50908
65793.8
80680
9494
9494
0.176297
0.253926
0.331563
2006
321710
424982
528250
96802
123837.23496
150878
62939
81827
100715
6944
6944
0.074678
0.108095
0.141502
2007
675080
871441
1067800
111089
142365.13702
173651
65886
86120.6
106356
7636
7636
0.07488
0.107102
0.13932
2008
259636
351292
442944
111187
143229.42664
175273
78441
102516
126599
5872
5872
0.044589
0.0640702
0.083551
2009
955630
1206530
1457370
155592
196017.0028
236448
90582
116303
142018
5745
5745
0.043323
0.0616509
0.079979
2010
696280
890411
1084540
156617
194786.96552
232963
99290
125488
151690
8370
8370
0.058252
0.0815345
0.104818
2011
903570
1146660
1389830
174092
214896.3124
255708
108428
136256
164092
11470
11470
0.075575
0.10501
0.134445
2012
589940
776809
963680
155279
192343.7849
229401
99599
126599
153601
21820
21820
0.144967
0.200891
0.256813
2013
326030
464189
602350
129732
164239.2643
198748
88944
115580
142216
16247
16247
0.115248
0.163441
0.211632
2014
271980
414165
556340
109116
140476.8997
171844
70736
94636.8
118538
19574
19574
0.16231
0.234153
0.30599
2015
118580
221985
325400
73777
99101.3506
124425
47277
67008
86739
18355
18355
0.20036
0.301372
0.40238
2016
96360
273292
450220
51063
75059.8375
99057
29294
46734.3
64174
16318
16318
0.24232
0.407761
0.5732
2017
89930
380546
671170
35827
61322.6548
86819
19074
35737.8
52402
10767
10767
0.19326
0.41061
0.62796
2018
437926.015202683
34154.4419310905
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data