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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:
2022
Key:
17248
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
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
74203.6
408556
742916.4
-2328
206015
414368
22978
-0.00390163999999998
0.129691
0.26328164
1959
964004.4
1577690
2191395.6
37788.8
197957
358131.2
15086
0.01679072
0.111687
0.20658928
1960
143930
362961
581990
60233
189253
318267
18283
0.048286
0.12551
0.202734
1961
194505.6
393717
592934.4
59340.64
159919
260499.36
15372
0.05560548
0.119275
0.18295452
1962
530046.8
843980
1157913.2
71042.08
156601
242157.92
21552
0.09411208
0.192414
0.29070792
1963
212576.16
402905
593223.84
71297.6
145174
219042.4
17349
0.07529516
0.153356
0.23142484
1964
965772.4
1381900
1798027.6
99888.84
165103
230311.16
10599
0.04796664
0.0963117
0.14465736
1965
223424.72
416515
609615.28
111073.16
169927
228786.84
19126
0.07510472
0.139327
0.20355528
1966
471885.2
735267
998654.8
113314.68
165194
217065.32
27030
0.11020456
0.198533
0.28685544
1967
501352
768497
1035648
112595.84
159041
205484.16
27658
0.12573084
0.22534
0.32494916
1968
609355.6
899711
1190064.4
118848.76
162296
205751.24
30236
0.13794148
0.242583
0.34721852
1969
267411.96
461941
656468.04
103365.04
141929
180494.96
44389
0.21308576
0.362232
0.51137424
1970
105923.2
248671
391416.8
74814.88
107098
139385.12
31727
0.1863336
0.330574
0.4748064
1971
552339.2
821309
1090280.8
70935.56
97961.8
124988.44
31396
0.2489916
0.453396
0.6578084
1972
141218.44
279417
417621.56
62603.96
85876.7
109150.04
38203
0.3322044
0.559289
0.7863756
1973
194148.8
325406
456671.2
46421.672
64565.1
82708.328
26936
0.3013624
0.518056
0.7347576
1974
79723.04
160325
240936.96
35147.556
50061.5
64974.444
19940
0.2808444
0.494702
0.7085556
1975
114442.12
202064
289677.88
27294.368
39631.1
51967.632
15588
0.2798652
0.516791
0.7537148
1976
139840.84
226223
312599.16
25964.808
36803.9
47643.192
9771
0.20356416
0.38791
0.57225584
1977
113326.64
184803
256273.36
26784.744
37415
48045.256
7833
0.15502696
0.290515
0.42599304
1978
84524.24
145587
206655.76
25593.996
36168
46742.004
7559
0.14192688
0.267905
0.39387312
1979
182776.56
278555
374323.44
25899.972
36021.9
46144.028
10321
0.2284636
0.425126
0.6217964
1980
92017.64
166477
240942.36
23178.756
33005.8
42833.244
13130
0.2954468
0.544209
0.7929732
1981
323957.8
464972
605982.2
26375.568
36516.9
46658.432
17103
0.4667688
0.836657
1.2065512
1982
528057.6
724433
920802.4
43380.332
57440
71499.668
13000
0.2458456
0.457798
0.6697544
1983
575937.6
784556
993182.4
58958.112
76388.2
93817.888
24981
0.3219212
0.555707
0.7894988
1984
480784
666197
851616
61265.604
78994.4
96722.396
26779
0.27902896
0.471937
0.66485104
1985
469670.92
642488
815309.08
66598.396
85081.3
103563.604
20426
0.18781504
0.31948
0.45114496
1986
486903.6
654169
821436.4
73429.88
93072.5
112716.12
25024
0.21770852
0.365913
0.51411148
1987
946438.8
1200230
1453961.2
84151.08
105472
126788.92
26200
0.22995744
0.389177
0.54840256
1988
345087.68
475514
605932.32
86079.36
108978
131880.64
20447
0.135182
0.231805
0.328438
1989
425158.88
575732
726301.12
75271
95703.8
116137
23254
0.17238968
0.285274
0.39815032
1990
363712.36
503380
643047.64
69337.84
89224
109110.16
18404
0.14594732
0.24803
0.35011268
1991
126967.68
207415
287852.32
53855.488
71049.2
88242.512
25562
0.23195668
0.38095
0.52994332
1992
742920.8
962480
1182039.2
55023.14
70955.4
86886.86
21127
0.2833788
0.48471
0.6860412
1993
243793.68
359813
475826.32
56779.688
73640.4
90500.312
18618
0.19029364
0.325813
0.46132636
1994
580547.88
768796
957052.12
62994.712
80405.3
97815.288
19300
0.19190668
0.321795
0.45167332
1995
542836.04
722078
901323.96
64881.656
81906.9
98932.344
23305
0.23575996
0.387563
0.53936004
1996
241111.36
352309
463508.64
56693.12
72427.7
88162.88
18816
0.18526132
0.308607
0.43195868
1997
256608.48
372858
489111.52
46408.196
59883.5
73357.804
20496
0.24830604
0.407954
0.56759396
1998
159294.24
248780
338265.76
36292.6
47983.6
59675.4
18041
0.2686928
0.445724
0.6227472
1999
351194.8
486666
622145.2
31743.984
41993.8
52244.016
18485
0.3772024
0.623789
0.8703776
2000
344083.08
477218
610356.92
31547.5
42058.1
52568.5
17191
0.3812468
0.632946
0.8846532
2001
352309.16
493295
634270.84
30676.956
41689.8
52703.044
15269
0.3093236
0.533916
0.7585164
2002
382448.2
541125
699791.8
39963.152
53818.3
67672.848
7465
0.1130928
0.209763
0.3064272
2003
74116.8
141584
209043.2
30790.368
42832.6
54875.632
11536
0.16943964
0.307205
0.44498036
2004
233990.96
361343
488689.04
26526.008
39041.1
51555.992
12743
0.21342172
0.394116
0.57481828
2005
729838.8
1057130
1384361.2
36942.3
54401.2
71859.7
9494
0.15309284
0.308658
0.46422716
2006
217612.2
355901
494187.8
45033.76
67023.5
89012.24
6944
0.06486372
0.133448
0.20203628
2007
476969.2
723893
970810.8
46596.8
69764.4
92931.2
7636
0.065973
0.131783
0.197587
2008
165721.88
294385
423058.12
55254.84
82686.6
110119.16
5872
0.03938668
0.079453
0.11951932
2009
695869.6
1011860
1327930.4
65630.44
94170.2
122709.56
5745
0.03847796
0.076206
0.11393404
2010
492909.2
751592
1010270.8
73678.44
102117
130561.56
8370
0.05259516
0.100767
0.14894484
2011
648600.4
956829
1265059.6
81341.6
110331
139318.4
11470
0.06956596
0.129544
0.18951404
2012
394295.6
631242
868184.4
73746.44
100126
126513.56
21820
0.14133204
0.253247
0.36516796
2013
185430.64
365882
546329.36
63826.8
88219.4
112611.2
16247
0.116418
0.213335
0.310262
2014
134828.12
304081
473331.88
48828.448
68224.7
87621.552
19574
0.1787676
0.32222
0.4656724
2015
56314.08
175780
295245.92
30696.732
44041
57385.268
18355
0.2614124
0.459981
0.6585476
2016
90021.16
204642
319258.84
17470.472
25999.6
34529.528
16318
0.4401468
0.765839
1.0915332
2017
22262.16
60833.1
99403.84
6668.148
11791
16913.852
10767
0.7029324
1.1759
1.6488676
2018
18574.16
51314
84053.84
2374.748
6081.53
9788.252
4418
0.5450264
1.16466
1.7843736
2019
63135.4
180019
296904.6
2026.52
6168
10309.48
1841
0.1432624
0.725012
1.3067576
2020
15825.36
108106
200394.64
3028.18
8740.64
14453.02
132
0.005319228
0.0234312
0.041542772
2021
260375
4694.04
15084.2
25473.96
745
0.0178122
0.068684
0.1195558
2022
197043.9
19348.63
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data