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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:
2019
Key:
11587
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
2-6
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
23704438
31872376
42854774
541754
614490
696991
293181
333397
379130
97552.817941
188221.981903
35381.954472
55287.20949
0.584
0.672
0.772
1979
18179137
24300701
32483614
621806
708295
806814
336231
378971
427145
107231.177056
243569.796342
77390.916674
58947.702612
0.58
0.66
0.75
1980
10016195
13224104
17459415
539905
608804
686494
342883
387148
437128
100774.568559
223361.305064
77003.022846
45583.713659
0.67
0.758
0.858
1981
8999485
11865515
15644279
442922
496636
556863
313812
354613
400717
89583.38519
192118.901815
35894.163774
66641.352851
0.668
0.757
0.859
1982
8560843
11271239
14839756
417479
467683
523924
263180
296925
334997
80575.551652
140250.468203
26620.275009
33054.641542
0.536
0.612
0.699
1983
11637523
15332814
20201480
379117
422422
470675
228358
254716
284115
88001.64638
161316.238504
49561.946407
23752.645717
0.598
0.678
0.769
1984
9803275
12958941
17130414
350879
394335
443173
181964
202088
224438
86274.5262
145635.71061
40483.093428
18878.090982
0.694
0.785
0.887
1985
15944811
21031885
27741952
337351
381389
431177
169573
190643
214331
56059.038008
100329.98808
28960.584968
15310.365104
0.667
0.755
0.854
1986
14099085
18546170
24395938
409256
466241
531160
182225
204610
229745
64018.789539
161494.384873
79522.860845
17952.734489
0.725
0.818
0.922
1987
11836403
15622505
20619665
339785
383097
431928
179166
201968
227672
68316.709595
138736.592426
53900.865735
16519.017096
0.825
0.926
1.04
1988
15399754
20391066
27000144
323712
364651
410768
181888
206030
233376
56099.777865
133214.554005
28146.18931
48968.58683
0.695
0.786
0.888
1989
10184796
13357133
17517581
374226
422259
476456
185703
208797
234762
45103.105186
123533.197203
35787.078067
42643.01395
0.748
0.843
0.951
1990
9524331
12423940
16206313
319005
357749
401199
180942
203358
228551
45661.94023
152601.695431
55603.168396
51336.586805
0.674
0.763
0.863
1991
9941815
12864278
16645820
332451
372351
417040
181080
203119
227841
51929.382257
126742.131371
35057.608193
39755.140921
0.559
0.637
0.725
1992
11391291
14719730
19020711
308901
344174
383474
178074
198615
221525
50946.272311
108555.449363
32564.298078
25044.878974
0.517
0.59
0.674
1993
10872926
14052649
18162264
289693
322222
358404
169711
188708
209831
51818.053959
116911.048713
44370.455826
20722.538928
0.556
0.633
0.72
1994
9771922
12645504
16364107
287061
319980
356674
164255
182616
203031
48485.809341
101650.37869
35692.018349
17472.551
0.576
0.655
0.746
1995
7972398
10381631
13518928
268194
299314
334045
165905
185221
206785
45938.402454
105493.61336
32175.892786
27379.31812
0.535
0.612
0.7
1996
6398491
8469254
11210185
250977
281410
315533
149178
166690
186257
40502.801853
76123.396417
30504.528107
5116.066457
0.48
0.552
0.636
1997
10612584
14017367
18514489
288126
332379
383429
135457
151645
169766
35562.543493
61434.778236
19659.71844
6212.516303
0.383
0.444
0.516
1998
17639772
23317972
30823971
286791
334127
389276
116822
130558
145909
28288.108614
47475.261581
15692.80922
3494.343747
0.342
0.399
0.465
1999
18041503
23935119
31754003
340710
403119
476959
116562
131452
148244
30130.00204
60844.846808
25677.162634
5037.682134
0.382
0.446
0.52
2000
15945673
21240380
28293178
444146
531900
636994
145202
166681
191337
28582.646108
63806.278154
26063.25967
9160.372376
0.412
0.491
0.584
2001
16181175
21620487
28888227
383337
457647
546363
158004
185406
217560
25060.694066
45242.086991
19237.41253
943.980395
0.302
0.373
0.462
2002
8479754
11246935
14917125
252705
294791
343886
159931
188806
222894
20674.628053
46450.169362
18500.752309
7274.789
0.217
0.277
0.352
2003
8220116
10798107
14184607
220059
255342
296282
150578
177787
209912
16161.333996
45640.440944
26744.979822
2734.127126
0.173
0.218
0.275
2004
9280505
12223974
16101013
289247
338418
395949
146457
172470
203102
13295.123381
33557.465503
19048.242122
1214.1
0.145
0.182
0.228
2005
8630733
11389128
15029109
274396
321273
376157
131930
154258
180366
15470.679089
28883.057087
12524.713272
887.664726
0.132
0.163
0.203
2006
7350911
9711377
12829817
402783
488581
592653
123105
142616
165219
18535.285726
36769.474405
16310.121679
1924.067
0.16
0.194
0.236
2007
11670205
15398634
20318231
374660
457676
559086
109170
125806
144978
18915.053558
26974.207986
6971.248428
1087.906
0.155
0.188
0.228
2008
11192502
14753261
19446832
261079
306918
360804
112784
129167
147930
17950.783762
28246.744112
10295.96035
0
0.153
0.184
0.223
2009
10551109
13926062
18380551
309877
370413
442776
117791
135173
155120
18402.6034788536
28430.3153642769
8683.930354431
1343.78153099234
0.178
0.215
0.26
2010
10399538
13960028
18739521
357681
431813
521309
138363
159680
184282
19846.0599501798
34436.3083517602
12682.939805146
1907.30859643436
0.202
0.246
0.301
2011
7613181
10103265
13407795
298049
355588
424236
127033
147580
171450
18461.2982391479
30668.3839830068
11172.5803604315
1034.50538342737
0.174
0.215
0.264
2012
5596469
7528980
10128806
240319
284027
335684
131772
154092
180193
17407.2693409286
30221.0420694602
11696.6008060118
1117.17192251973
0.174
0.216
0.268
2013
9011724
12117709
16294204
237794
284367
340061
124673
146939
173181
18211.4690160786
26572.7661503707
6794.67568324458
1654.08480752287
0.166
0.208
0.261
2014
11797096
16080625
21919505
382307
480393
603645
118235
140232
166321
17027.2683268377
28374.8955173047
9724.58364340313
1623.04354706382
0.187
0.238
0.301
2015
10802012
15024074
20896366
338588
427890
540745
124032
149798
180917
17298.8966687569
36286.9188327308
16891.3195070858
2096.70265688814
0.203
0.262
0.338
2016
11315142
16177054
23128042
291638
373128
477389
127855
158649
196860
16118.06530895
33395.6492561457
12726.3027428578
4551.28120433794
0.188
0.251
0.334
2017
6087861
9029636
13392934
226119
290881
374191
130848
167485
214381
15361.2070599225
29343.8807798365
11347.9059938523
2634.56772606166
0.153
0.212
0.292
2018
4687677
7965668
13535888
218859
293190
392767
130218
172592
228754
16443.6310271152
28083.4930358175
9895.88424942215
1698.2777592801
0.139
0.199
0.286
2019
11883334
118359
163406
225599
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data