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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:
2021
Key:
15613
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
143905
F
MSY
0.371
Precautionary approach
B
lim
103560
B
pa
143905
F
lim
0.718
F
pa
0.385
Age and Length
Recruitment
0
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Catches
Discards
IBC
Low F
F
High F
1978
29546563
40685696
56024311
337466
386906
443589
97552.82
188221.98
35381.954
55287.2095
0.558
0.646
0.747
1979
21873198
29725244
40396017
378897
431278
490901
107231.18
243569.8
77390.917
58947.7026
0.563
0.644
0.735
1980
12579090
16872504
22631317
372830
425283
485116
100774.57
223361.31
77003.023
45583.7137
0.665
0.755
0.858
1981
11635856
15512459
20680593
325231
370703
422532
89583.39
192118.9
35894.164
66641.3528
0.675
0.767
0.872
1982
10302114
13682956
18173290
263855
299759
340548
80575.55
140250.47
26620.275
33054.6415
0.547
0.627
0.718
1983
13470623
17859789
23679087
232027
260308
292036
88001.65
161316.24
49561.946
23752.6457
0.61
0.694
0.789
1984
11637221
15453599
20521541
184448
206037
230153
86274.53
145635.71
40483.093
18878.091
0.706
0.8
0.906
1985
18056916
24019471
31950916
171254
193794
219301
56059.04
100329.99
28960.585
15310.3651
0.681
0.772
0.875
1986
16298756
21586680
28590204
182755
206303
232885
64018.79
161494.38
79522.861
17952.7345
0.741
0.837
0.945
1987
14120885
18674788
24697299
179600
203570
230739
68316.71
138736.59
53900.866
16519.0171
0.841
0.947
1.066
1988
17544018
23358277
31099439
181104
205977
234266
56099.78
133214.55
28146.189
48968.5868
0.712
0.807
0.914
1989
12252942
16125958
21223191
185259
209005
235795
45103.11
123533.2
35787.078
42643.014
0.77
0.869
0.982
1990
10676400
14036807
18454904
179305
202350
228355
45661.94
152601.7
55603.168
51336.5868
0.693
0.786
0.891
1991
11892267
15476111
20139981
176443
198712
223792
51929.38
126742.13
35057.608
39755.1409
0.579
0.66
0.752
1992
13418199
17444205
22678177
168199
188442
211120
50946.27
108555.45
32564.298
25044.879
0.546
0.625
0.715
1993
13061636
16984436
22085371
160691
179289
200039
51818.05
116911.05
44370.456
20722.5389
0.589
0.671
0.764
1994
11670293
15190205
19771769
155895
173863
193902
48485.81
101650.38
35692.018
17472.551
0.609
0.694
0.79
1995
9387893
12269889
16036631
156233
174951
195911
45938.4
105493.61
32175.893
27379.3181
0.574
0.656
0.749
1996
7728233
10244438
13579884
139564
156241
174911
40502.8
76123.4
30504.528
5116.0665
0.525
0.603
0.692
1997
12225838
16164421
21371829
124646
139483
156087
35562.54
61434.78
19659.718
6212.5163
0.427
0.493
0.57
1998
19638008
25976121
34359844
107341
119526
133093
28288.11
47475.26
15692.809
3494.3438
0.387
0.449
0.521
1999
20252384
26831680
35548362
106679
119493
133847
30130
60844.85
25677.163
5037.6821
0.44
0.508
0.586
2000
17580250
23379703
31092306
130009
147410
167141
28582.65
63806.28
26063.26
9160.3724
0.496
0.577
0.672
2001
17629583
23526676
31396346
135673
156643
180854
25060.69
45242.09
19237.412
943.9804
0.397
0.472
0.562
2002
10151042
13420546
17743112
132010
152446
176047
20674.63
46450.17
18500.752
7274.789
0.306
0.372
0.453
2003
9741900
12824947
16883695
119795
137920
158788
16161.33
45640.44
26744.98
2734.1271
0.244
0.298
0.363
2004
10803764
14273340
18857153
115006
132546
152760
13295.12
33557.47
19048.242
1214.1
0.202
0.247
0.304
2005
10283663
13621487
18042688
105549
121497
139855
15470.68
28883.06
12524.713
887.6647
0.176
0.216
0.265
2006
8394158
11103414
14687095
101179
115618
132117
18535.29
36769.47
16310.122
1924.067
0.201
0.243
0.294
2007
12508263
16492418
21745613
92191
105168
119972
18915.05
26974.21
6971.248
1087.906
0.188
0.227
0.274
2008
12648928
16688831
22019027
96275
109132
123705
17950.78
28246.74
10295.96
0
0.18
0.216
0.26
2009
11911612
15740978
20801416
99884
113282
128477
18402.6
28430.32
8683.93
1343.7815
0.206
0.246
0.295
2010
11228779
14995406
20025526
117991
134649
153659
19846.06
34436.31
12682.94
1907.3086
0.233
0.282
0.341
2011
8515571
11290558
14969835
108504
124574
143025
18461.3
30668.38
11172.58
1034.5054
0.206
0.251
0.305
2012
6305955
8475192
11390641
111833
129010
148826
17407.27
30221.04
11696.601
1117.1719
0.207
0.253
0.31
2013
9643492
12894319
17241003
105006
121940
141606
18211.47
26660.23
6794.676
1654.0848
0.2
0.247
0.304
2014
12491228
16988265
23104306
99128
115837
135362
17027.27
28374.9
9724.584
1623.0436
0.228
0.284
0.354
2015
11338423
15535141
21285200
101941
121574
144988
17298.9
36286.92
16891.32
2096.7027
0.251
0.32
0.409
2016
12139349
16713651
23011622
103138
125946
153798
16118.07
33395.65
12726.303
4551.2812
0.24
0.318
0.423
2017
7461287
10381577
14444847
106337
132785
165812
15361.21
29343.88
11348.106
2634.5677
0.198
0.275
0.383
2018
8485333
12047844
17106051
109454
138838
176110
16160.38
28406.86
10588.46
1658.026
0.161
0.229
0.324
2019
13665200
20392302
30431022
111847
144019
185444
18578.56
30522.68
10080.365
1863.7553
0.159
0.226
0.323
2020
12816023
21546571
36224555
134419
177993
235693
17761.86
35122.83
14229.391
3131.5742
0.128
0.185
0.269
2021
14140017
162466
225375
312644
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data