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Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
Species:
Stock Assessment Graphs
Stock code:
her.27.nirs
Assessment Year:
2018
Key:
9352
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
11831
F
MSY
0.266
Precautionary approach
B
lim
8500
B
pa
11831
F
lim
0.397
F
pa
0.286
Age and Length
Recruitment
1
F
4-6
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
1980
92081.0457220561
171099.408015507
317926.530847867
25473.1643862699
34891.5514469242
47792.2704816975
8822.50921467
12829.4681098933
18656.2856414002
10613
10613
0.202877039542527
0.316636769379053
0.494185265857981
1981
108052.532512598
204433.905145213
386786.136345754
26134.7728578596
37049.1244920116
52521.5058531407
9270.10884378871
13302.403338127
19088.6577010127
4377
4377
0.19560053230293
0.294905592289175
0.444627155864474
1982
119655.540720571
226160.454046628
427464.96039012
29621.827971122
43001.9180717227
62425.7544014462
9733.17273866578
14514.4502336132
21644.4597502246
4855
4855
0.182505238912819
0.270144034800521
0.399866874907441
1983
97662.2913633358
192143.928925858
378030.137401891
31320.7595159286
46027.7613020185
67640.5950308507
10860.9905478926
16450.3165636626
24916.0436933828
3933
3933
0.175189330728949
0.25689187563162
0.376697801692251
1984
72247.7165044157
134322.647238035
249732.094438318
32549.5753021955
44756.8596399873
61542.3232480213
12218.5137384842
17720.8997707444
25701.1855456428
4066
4066
0.185121372769257
0.261845668580326
0.37036865667444
1985
93375.3247181855
172301.305605436
317939.884042578
35301.4175733376
46443.8808830479
61103.3272813357
12457.5681407735
16361.7242686944
21489.4285963072
9187
9187
0.213709256970097
0.28564657045289
0.38179891862576
1986
115149.803640764
211927.602989756
390042.427246342
36273.1109287218
47334.7510865753
61769.6856724219
14328.8175254077
18603.4067215004
24153.196244693
7440
7440
0.224772072799253
0.29446356550371
0.385763188145703
1987
149641.662739772
282095.233399367
531788.53569029
35296.7722124564
47098.6680306217
62846.6681572619
12663.77456304
16860.0129559734
22446.7069798622
5823
5823
0.233399990460868
0.302885631052263
0.393057880237183
1988
63653.5260539833
118657.918744085
221192.800360144
33481.0203318252
43695.4824801602
57026.1948486413
14581.7846201081
19902.4874422682
27164.6452549719
10172
10172
0.247182586213512
0.321615032474747
0.418460825652119
1989
83398.5998636268
155593.170752839
290283.467882064
30467.9198237866
40700.6767883981
54370.1408108724
11206.5263791911
15208.3515496322
20639.2194183096
4949
4949
0.24364047583276
0.315246628147256
0.407897892246899
1990
70393.0066602847
128669.19373327
235190.428729198
29033.4066666182
37684.3436732952
48912.9565260362
10865.6878556903
14455.0628150553
19230.1530986617
6312
6312
0.24551795450054
0.316067335838105
0.406889023603272
1991
42626.030915746
77652.5758037302
141461.036822141
22688.2761297992
28681.282176275
36257.3138024651
7471.54586632361
9838.90791855063
12956.369506616
4398
4398
0.244100415356818
0.312547131618141
0.400186576249507
1992
129830.314013151
235625.745239601
427631.191079871
23221.3548045737
31476.6097068883
42666.6302193801
7868.21102645349
10045.7003894497
12825.7994066634
5270
5270
0.253870343742038
0.322581326288171
0.409889199880594
1993
35336.7931863287
62630.0203222196
111003.831753449
22748.1340219045
29289.9578276505
37713.0550013226
7770.54202798445
10052.7348414933
13005.2031672218
4409
4409
0.25537403617682
0.324263118053824
0.41173555191486
1994
90215.0190044775
158577.704281489
278743.922826632
22911.6501419215
29911.5508251299
39050.0407968124
8598.17112721354
11063.4260882009
14235.515320425
4828
4828
0.261189677992616
0.331608573867924
0.421012986071476
1995
72827.8124227074
128027.453452264
225065.511268343
22139.5659216007
28566.7861921993
36859.8587813608
8206.54101477805
10654.0992160826
13831.6289288907
5076
5076
0.265207908559717
0.337159219088733
0.428631030024235
1996
46272.7262207498
82125.1843062067
145756.397951414
18499.2968086359
23505.7417482177
29867.0755353239
6439.45250028061
8447.28190028964
11081.1550360611
5301
5301
0.27362497896894
0.348959293890211
0.445034620929756
1997
68035.8737365964
118420.840064303
206119.133794442
17228.5160522432
22426.5319729884
29192.8413805545
5839.33149946223
7778.35379258746
10361.2524358707
6651
6651
0.288451360990857
0.374011026268819
0.484949168865559
1998
93842.9575711671
163080.62672854
283402.095399694
19235.8152891675
25796.6521277624
34595.2199580302
6847.43904973406
8891.04616111479
11544.5645101644
4905
4905
0.292477715949637
0.388485279693152
0.516007901826798
1999
41701.1339307035
73130.4418334154
128247.388467605
16749.6928538248
21605.431059352
27868.8484221261
6355.50598221428
8534.73853232948
11461.2057669484
4127
4127
0.283039730707568
0.372443474122299
0.490087172813221
2000
41877.6520642694
74981.7477824331
134254.482364006
14643.9769468457
18897.7850299988
24387.2467388014
6171.06307830308
8177.97627627313
10837.5647966439
2002
2002
0.271976721246827
0.356471851560383
0.467217122010843
2001
56247.5632990294
103362.757783252
189943.511681751
13512.1748668466
18916.6922670717
26482.8756179798
4392.00885784123
6201.83193018356
8757.43208522343
5461
5461
0.279438345296345
0.37875716683536
0.513376184206258
2002
45470.4343852124
80660.1558007997
143083.320442726
13640.5083532115
18445.9479123387
24944.3045357327
4602.23622398294
6478.21313144682
9118.88119904677
2393
2393
0.268687791452378
0.370637790204112
0.511271356189384
2003
82133.9228907012
143774.301746625
251674.936679176
15649.320867832
21969.2713687137
30841.522680022
4375.28088930287
5965.21274831038
8132.9094137941
2399
2399
0.260748848817694
0.36946842335975
0.52351876711594
2004
84430.3320078196
150391.925165892
267886.322571947
17169.235026724
23718.2482688776
32765.3095824301
6265.69252544913
8728.0739481806
12158.1572245198
2531
2531
0.243641450396612
0.34438329921894
0.486780293697394
2005
94112.8619424658
167376.325114213
297672.747704401
19076.8569242667
26608.8727185904
37114.7149745351
7314.25454106914
10307.2210356058
14524.8985908694
4387
4387
0.230014437566675
0.329361285007295
0.471617595874655
2006
165842.993918358
293314.297267064
518763.40958741
24761.467647964
35312.772334977
50360.1768566593
8399.59525716751
11537.9859834519
15848.9923000438
4402
4402
0.209489764000448
0.298107833663594
0.424212996351512
2007
259377.653428356
491884.887694977
932812.59794237
40399.7630971453
61389.8628290148
93285.5781629957
13331.3862164801
18599.6864121995
25949.9146611251
4629
4629
0.175472174237515
0.251981400937013
0.361850114948908
2008
128378.370243477
249945.956631118
486631.674150098
39410.4386282905
55770.4813315538
78921.897248828
16635.9151422629
23765.732233552
33951.2448679194
4895
4895
0.161281434446687
0.234922407549508
0.342187789674576
2009
176264.67859232
330710.946691832
620485.800872035
41177.6618420239
58629.8950548411
83478.8679194399
16497.8937462818
23694.5418757808
34030.4843355935
4594
4594
0.148032120257273
0.220954164373464
0.329798307753261
2010
209416.841165747
380408.136974883
691015.822181025
43661.2037182553
61451.2833970094
86490.0623333172
17949.1636586846
25591.1022066897
36486.6310546101
4894
4894
0.136698214060647
0.207733348517334
0.315681842537306
2011
123943.661673484
242558.937241177
474690.171656888
39339.123044735
54666.1518108682
75964.7882951179
18615.4284048281
26291.4744443827
37132.7274037026
5202
5202
0.130752585742419
0.20056838862392
0.307662584925424
2012
159132.36195162
287506.28504308
519440.941650845
38245.3781777628
53050.5228611417
73586.8779427283
16497.2338437301
23647.200149536
33895.9900919839
5693
5693
0.126823363401074
0.195577218109033
0.301604114711126
2013
96899.4188072816
173338.221074732
310075.532497362
32531.6259073571
44444.6556114394
60720.2178595301
15196.4085604752
21768.0809670302
31181.6668459173
4828
4828
0.115837839644079
0.183030952701133
0.289200228091415
2014
193730.791179245
356824.734344611
657220.72503332
40930.4514814097
57988.5003475117
82155.6091087993
17219.9521632212
24294.3720591373
34275.1540859904
5202
5202
0.104020009428083
0.170026665219476
0.27791832595096
2015
225760.684711558
422101.041840919
789195.380722851
44806.3881109449
64408.4426145968
92586.0720968149
16682.5943435118
23718.2482688776
33721.0921371414
4891
4891
0.104587629412513
0.169636053265414
0.275141436220595
2016
122001.326913938
256273.368647828
538322.337464696
40426.4034006582
57411.5051284176
81532.8756417805
18771.8033283948
27337.0990989115
39810.6124419753
4327
4327
0.0954936811168735
0.16009306125298
0.268392504735287
2017
30020.2790315694
112983.831117416
425224.098701575
32413.866868907
48971.8048374778
73988.0150288554
17897.9525033743
27173.5675894407
41256.2708163792
3896
3896
0.0833921749132154
0.148376843726966
0.26400184162708
2018
310239.543799712
22488.9867734898
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data