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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:
2021
Key:
14087
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
34000
B
pa
54000
F
lim
0.45
F
pa
0.26
Age and Length
Recruitment
1
F
2-5
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Catches
Low F
F
High F
1958
75267.2
410779
746292.8
-1588.79999999999
203775
409148.8
22978
-0.00341031999999999
0.130542
0.26449032
1959
965802.8
1580370
2194997.2
38344.04
196418
354495.96
15086
0.0170904
0.112169
0.2072496
1960
144601.6
364196
583798.4
60658.68
188191
315721.32
18283
0.04839856
0.125647
0.20290144
1961
195045.6
394746
594454.4
59628.48
159220
258811.52
15372
0.05556608
0.11927
0.18297392
1962
530770
845346
1159930
71247.12
156166
241092.88
21552
0.09392268
0.192247
0.29057732
1963
213095.72
403789
594484.28
71447.24
144911
218372.76
17349
0.07508828
0.153106
0.23113172
1964
966945.2
1383720
1800454.8
100020.32
165008
229999.68
10599
0.04783848
0.0961267
0.14441552
1965
224039.76
417477
610920.24
111189
169945
228691
19126
0.0748988
0.139028
0.2031612
1966
472702.8
736461
1000217.2
113450.16
165303
217149.84
27030
0.10997688
0.198216
0.28646312
1967
502208.8
769688
1037171.2
112730.16
159195
205649.84
27658
0.12545864
0.224958
0.32446136
1968
610242
900913
1191578
118985.64
162483
205974.36
30236
0.13766576
0.242217
0.34677424
1969
267932.24
462667
657407.76
103484.08
142099
180715.92
44389
0.21277948
0.361913
0.51104052
1970
106341.52
249296
392258.48
74903.92
107237
139576.08
31727
0.18603984
0.330186
0.47434016
1971
552671.2
821736
1090808.8
70992.52
98065.6
125139.48
31396
0.2486092
0.4529
0.6571908
1972
141546.72
279864
418173.28
62633.68
85942.2
109250.32
38203
0.3318732
0.5589
0.7859268
1973
194432.76
325791
457147.24
46437.056
64608.9
82780.944
26936
0.301132
0.517814
0.734488
1974
79925.04
160634
241334.96
35164.664
50102.5
65041.336
19940
0.2805128
0.494291
0.7080672
1975
114678.44
202410
290141.56
27311.868
39673
52034.132
15588
0.2794824
0.51627
0.7530576
1976
140109.72
226633
313150.28
25989.544
36855.1
47720.456
9771
0.20312388
0.387255
0.57139612
1977
113573.36
185181
256786.64
26821.932
37480.6
48140.068
7833
0.1546108
0.289889
0.4251692
1978
84722.52
145900
207077.48
25640.616
36244.6
46849.384
7559
0.1415266
0.267289
0.3930534
1979
183085.44
278995
374914.56
25950.768
36101.6
46253.232
10321
0.227848
0.424242
0.620632
1980
92246.12
166827
241413.88
23227.14
33082.5
42938.86
13130
0.2946816
0.543188
0.7916984
1981
324349.24
465534
606710.76
26418.736
36587.7
46757.264
17103
0.4657752
0.835485
1.2052048
1982
528591.6
725162
921728.4
43434.52
57523.1
71611.48
13000
0.2452304
0.456934
0.6686296
1983
576361.2
785160
993958.8
59016.144
76477.4
93937.856
24981
0.32145
0.55518
0.78891
1984
481219.36
666802
852380.64
61315.812
79074.5
96832.188
26779
0.27873328
0.471657
0.66458672
1985
470138.44
643131
816121.56
66651.252
85166.3
103680.748
20426
0.1876274
0.319314
0.4509926
1986
487411.52
654874
822328.48
73488.6
93167.1
112845.4
25024
0.21753384
0.365799
0.51406616
1987
947264.4
1201270
1455335.6
84211.88
105573
126928.12
26200
0.22976336
0.389082
0.54839664
1988
345446.36
476003
606553.64
86138.2
109082
132021.8
20447
0.13500768
0.231621
0.32823232
1989
425612.08
576335
727067.92
75327.76
95798.4
116268.24
23254
0.17229284
0.285226
0.39816716
1990
364099.28
503907
643720.72
69392.56
89314.2
109235.44
18404
0.14581576
0.247916
0.35002424
1991
127193.6
207728
288266.4
53896.344
71121.5
88347.656
25562
0.23183024
0.3809
0.52996976
1992
743584
963301
1183016
55058.484
71017.1
86975.516
21127
0.283262
0.484749
0.686238
1993
244101.76
360216
476338.24
56817.58
73702.4
90586.42
18618
0.19005872
0.325528
0.46100128
1994
581068.52
769446
957831.48
63042.544
80473.6
97905.456
19300
0.19178708
0.321692
0.45159292
1995
543225.68
722547
901874.32
64926.76
81966.8
99007.24
23305
0.23561604
0.387423
0.53922396
1996
241306.48
352563
463813.52
56727.536
72473
88218.464
18816
0.18516348
0.308523
0.43187652
1997
256738.68
372999
489261.32
46430.08
59908.6
73387.92
20496
0.24837452
0.408143
0.56790548
1998
159297.36
248744
338182.64
36294.344
47982.8
59671.656
18041
0.26885188
0.446028
0.62320812
1999
350756.64
485934
621103.36
31714.172
41943.6
52173.828
18485
0.3780208
0.625021
0.8720192
2000
342688.24
474998
607311.76
31456.712
41908.5
52361.288
17191
0.3828684
0.635137
0.8874116
2001
349710.12
489171
628629.88
30496.736
41400.6
52305.264
15269
0.3117128
0.537251
0.7627872
2002
379218.8
535959
692701.2
39642.1
53317.6
66993.9
7465
0.114267
0.211627
0.308993
2003
73727.32
140532
207332.68
30499.492
42362.4
54224.508
11536
0.17157232
0.31016
0.44874768
2004
231017.32
356132
481242.68
26205.896
38490.5
50774.104
12743
0.21683352
0.398596
0.58036648
2005
719283.2
1039870
1360516.8
36380.68
53465.7
70551.32
9494
0.1561938
0.313671
0.4711462
2006
214089.76
349711
485330.24
44268.96
65778.2
87287.04
6944
0.0662004
0.135799
0.2053996
2007
468703.2
710921
953136.8
45716.48
68378
91039.52
7636
0.06739852
0.134257
0.20112148
2008
162957.84
289372
415782.16
54148.84
80992.8
107837.16
5872
0.04022748
0.0810188
0.12181052
2009
685090.8
996276
1307469.2
64343.68
92306.8
120270.32
5745
0.03929336
0.0777268
0.11616064
2010
485988
741184
996372
72293.72
100208
128126.28
8370
0.05361332
0.102576
0.15154668
2011
640566.4
945168
1249773.6
79849.44
108341
136830.56
11470
0.07083476
0.131732
0.19262524
2012
389876.4
624414
858943.6
72356.52
98303
124249.48
21820
0.14372588
0.256907
0.37009412
2013
184167.52
363192
542212.48
62566.8
86567.4
110567.2
16247
0.11839796
0.216692
0.31498204
2014
134642.6
303332
472017.4
47849.204
66929.7
86010.796
19574
0.18167892
0.326956
0.47224108
2015
54927.16
173758
292592.84
30020.348
43140.2
56259.652
18355
0.2652984
0.466124
0.6669416
2016
92398.96
209358
326321.04
17125.892
25479.6
33834.108
16318
0.4465788
0.777756
1.1089412
2017
20902.24
59868.5
98835.76
6525.276
11527.3
16528.724
10767
0.7109016
1.19019
1.6694984
2018
14822.96
49855.8
84889.04
2142.22
5842.67
9543.18
4418
0.534768
1.19957
1.864432
2019
33448.56
169991
306531.44
1443.024
5790.48
10137.976
1841
0.0851916
0.772736
1.4602884
2020
0
320017
751514
1999.952
11679.5
21360.048
132
0.003330332
0.0226331
0.041935668
2021
164568
19278.05
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data