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Whiting (Merlangius merlangus) in Subarea 4 and Division 7.d (North Sea and eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
whg.27.47d
Assessment Year:
2018
Key:
10259
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
166708
F
MSY
0.172
Precautionary approach
B
lim
119970
B
pa
166708
F
lim
0.458
F
pa
0.33
Age and Length
Recruitment
0
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
IBC
Low F
F
High F
1978
23454181
32173603
44134592
554641
631554
719132
299297
340871
388221
97552.817941
188222
35381.954472
55287.20949
0.576
0.662
0.76
1979
17355918
23508077
31840994
624663
715406
819330
342985
387713
438274
107231.177056
243570
77390.916674
58947.702612
0.572
0.651
0.74
1980
10013986
13435164
18025154
538744
608900
688192
346294
392462
444784
100774.568559
223361
77003.022846
45583.713659
0.671
0.759
0.86
1981
9356597
12486394
16663113
437674
491838
552705
307212
348041
394296
89583.38519
192119
35894.163774
66641.352851
0.672
0.762
0.863
1982
8382863
11129465
14775978
410312
461053
518069
255950
289448
327331
80575.551652
140250
26620.275009
33054.641542
0.536
0.612
0.699
1983
11303314
14992109
19884729
370617
413489
461321
225948
252147
281385
88001.64638
161316
49561.946407
23752.645717
0.6
0.681
0.772
1984
9617356
12788531
17005353
344277
387405
435935
179477
199334
221388
86274.5262
145636
40483.093428
18878.090982
0.699
0.79
0.892
1985
15618277
20747524
27561283
331346
375494
425523
165653
186196
209286
56059.038008
100330
28960.584968
15310.365104
0.668
0.755
0.854
1986
13761827
18224476
24134262
399156
455211
519137
179029
200945
225544
64018.789539
161494
79522.860845
17952.734489
0.726
0.819
0.922
1987
11812128
15682572
20821232
331726
374038
421747
176298
198580
223677
68316.709595
138737
53900.865735
16519.017096
0.828
0.929
1.042
1988
15370958
20484987
27300491
320280
361029
406961
179436
203003
229665
56099.777865
133215
28146.18931
48968.58683
0.693
0.783
0.885
1989
10210990
13482017
17800898
371875
420149
474690
184149
206810
232261
45103.105186
123533
35787.078067
42643.01395
0.75
0.845
0.952
1990
9528105
12519715
16450622
316982
355781
399330
180357
202625
227641
45661.94023
152602
55603.168396
51336.586805
0.675
0.764
0.864
1991
9975390
12985402
16903667
332215
372575
417838
180504
202410
226974
51929.382257
126742
35057.608193
39755.140921
0.558
0.635
0.723
1992
11418464
14844061
19297354
308122
343666
383312
177798
198249
221052
50946.272311
108555
32564.298078
25044.878974
0.515
0.588
0.672
1993
10864515
14124277
18362089
290102
323000
359630
169953
188901
209962
51818.053959
116911
44370.455826
20722.538928
0.555
0.632
0.719
1994
9737444
12674306
16496942
286543
319715
356728
163847
182103
202394
48485.809341
101650
35692.018349
17472.551
0.577
0.657
0.747
1995
7972841
10440111
13670900
265601
296653
331336
165318
184580
206086
45938.402454
105494
32175.892786
27379.31812
0.534
0.611
0.699
1996
6359491
8466452
11271470
250040
280638
314980
148719
166215
185770
40502.801853
76123
30504.528107
5116.066457
0.48
0.552
0.636
1997
10691318
14203355
18869077
286780
331569
383353
134748
150875
168932
35562.543493
61435
19659.71844
6212.516303
0.382
0.444
0.515
1998
17787569
23676831
31515961
286673
334954
391367
116179
129787
144989
28288.108614
47475
15692.80922
3494.343747
0.341
0.397
0.463
1999
17990241
23972919
31945144
336933
399132
472813
116567
131422
148171
30130.00204
60845
25677.162634
5037.682134
0.381
0.445
0.518
2000
15783584
21103066
28215353
438614
525231
628953
144543
165850
190298
28582.646108
63806
26063.25967
9160.372376
0.415
0.492
0.585
2001
15927860
21402326
28758386
377065
449806
536580
156721
183566
215010
25060.694066
45242
19237.41253
943.980395
0.303
0.374
0.462
2002
8269763
11013379
14667232
249776
290827
338625
158075
186201
219331
20674.628053
46450
18500.752309
7274.789
0.219
0.278
0.353
2003
7941524
10488591
13852574
216761
251129
290945
148387
174785
205879
16161.333996
45640
26744.979822
2734.127126
0.176
0.22
0.276
2004
8886768
11793614
15651285
280046
328341
384966
143026
168255
197935
13295.123381
33557
19048.242122
1214.1
0.148
0.185
0.231
2005
8277653
11019676
14670011
264129
310710
365505
128066
149868
175382
15470.679089
28883
12524.713272
887.664726
0.134
0.166
0.206
2006
7057805
9396302
12509624
387186
471987
575360
119496
138601
160761
18535.285726
36769
16310.121679
1924.067
0.163
0.199
0.242
2007
11496718
15274161
20292747
363792
446770
548675
106021
122457
141442
18915.053558
26974
6971.248428
1087.906
0.158
0.192
0.232
2008
11265731
14931925
19791204
258624
304962
359602
110429
126656
145267
17950.783762
28247
10295.96035
0
0.154
0.186
0.225
2009
10547058
14006950
18601837
310661
372690
447104
117200
134569
154513
18402.6034788536
28430
8683.930354431
1343.78153099234
0.178
0.215
0.26
2010
10196426
13779469
18621600
354505
428978
519097
138752
160466
185578
19846.0599501798
34436
12682.939805146
1907.30859643436
0.199
0.244
0.297
2011
7559073
10076610
13432609
297289
355148
424268
127589
148654
173196
18461.2982391479
30668
11172.5803604315
1034.50538342737
0.169
0.209
0.258
2012
5445879
7359536
9945644
239709
283176
334525
132698
155561
182362
17407.2693409286
30221
11696.6008060118
1117.17192251973
0.167
0.208
0.26
2013
8772261
11852610
16014612
236346
282497
337662
125893
148700
175640
18211.4690160786
26573
6794.67568324458
1654.08480752287
0.16
0.201
0.253
2014
11622758
15969752
21942553
378033
476282
600066
118740
140928
167262
17027.2683268377
28375
9724.58364340313
1623.04354706382
0.181
0.23
0.293
2015
10564794
14888780
20982500
333963
424136
538655
124519
150416
181700
17298.8966687569
36287
16891.3195070858
2096.70265688814
0.199
0.256
0.331
2016
10962978
16125587
23719337
285824
369212
476930
127829
159234
198355
16118.06530895
33396
12726.3027428578
4551.28120433794
0.189
0.252
0.337
2017
4973682
8423682
14266776
216308
282884
369951
130157
168397
217871
15361.2070599225
29344
11348.1059938523
2634.56772606166
0.156
0.218
0.305
2018
7550007
296425
178387
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data