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Stock Assessment Graphs
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Whiting (Merlangius merlangus) in Division 6.a (West of Scotland)
Species:
Stock Assessment Graphs
Stock code:
whg.27.6a
Assessment Year:
2022
Key:
17302
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
25597
F
MSY
0.21
Precautionary approach
B
lim
17286
B
pa
25597
F
lim
0.31
F
pa
0.21
Age and Length
Recruitment
0
F
1-3
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1981
459996
792418
1365066
77786
108518
151393
12193.8280026338
14325.6270008008
2131.79899816703
0.091
0.136
0.204
1982
498421
816452
1337413
68579
91467
121993
13880.2419962584
19365.3769989033
5485.13500264491
0.142
0.201
0.283
1983
657345
1068364
1736379
52550
66838
85011
15962.1700017538
22256.3260004563
6294.15599870248
0.217
0.299
0.412
1984
539881
876855
1424156
37862
46702
57605
16459.3670000307
20476.1459992941
4016.77899926338
0.275
0.375
0.512
1985
451474
744978
1229290
30455
37889
47137
12879.3710009029
17719.5980007901
4840.22699988724
0.324
0.436
0.588
1986
807581
1338213
2217501
25504
32190
40629
8457.67399798082
11126.9769994711
2669.30300149031
0.228
0.313
0.428
1987
305224
502134
826076
28783
35679
44227
11542.1440079723
23459.9180042603
11917.773996288
0.328
0.438
0.583
1988
446791
752010
1265733
31030
39873
51236
11348.6320004404
19481.0890004717
8132.45700003123
0.381
0.505
0.67
1989
402020
651153
1054675
20737
26023
32657
7522.94499368837
13399.4159978533
5876.47100416497
0.335
0.455
0.618
1990
529516
852259
1371717
19138
24796
32126
5642.02700273706
10172.113001068
4530.08599833093
0.229
0.315
0.434
1991
700276
1131396
1827931
21377
27048
34224
6657.34799674582
11540.7079991065
4883.36000236064
0.233
0.318
0.434
1992
476492
767342
1235727
25955
32522
40749
6004.26599939959
15252.8159997715
9248.55000037193
0.224
0.307
0.421
1993
487073
782199
1256149
29801
37808
47966
6871.16899730345
11630.5209995126
4759.3520022091
0.193
0.267
0.368
1994
474415
755541
1203255
28991
36153
45084
5900.34799855873
9355.24599938514
3454.89800082642
0.176
0.244
0.338
1995
431387
682976
1081293
29491
36487
45144
6078.14700182159
11848.9650007824
5770.81799896076
0.227
0.309
0.42
1996
403631
640194
1015406
27181
33447
41156
7157.53400118826
15097.5490002488
7940.0149990605
0.31
0.417
0.561
1997
419932
654177
1019088
21653
26670
32849
6290.72799993964
11541.9579995482
5251.22999960857
0.3
0.407
0.551
1998
251844
398209
629639
18297
22542
27771
4627.63699964119
13843.356000215
9215.71900057379
0.417
0.559
0.747
1999
547489
865524
1368304
14208
17817
22344
4613.41600189305
8588.45900046744
3975.04299857438
0.418
0.563
0.759
2000
207196
326837
515561
12326
15340
19091
3011.24201401967
16296.3310086259
13285.0889946062
0.445
0.596
0.798
2001
123439
204756
339642
13389
17587
23100
2439.01800374052
6701.6140013223
4262.59599758178
0.298
0.416
0.579
2002
172978
274808
436584
10429
13606
17752
1767.5519997064
4618.48299976159
2850.93100005518
0.26
0.377
0.548
2003
138692
214958
333162
7411
9806
12976
1330.735
3321.857
1991.122
0.224
0.338
0.511
2004
75301
118957
187922
6531
8857
12011
797.899
3694.889
2896.99
0.252
0.395
0.621
2005
69310
109455
172852
5175
7333
10389
334.141
1309.258
975.117
0.121
0.19
0.299
2006
42299
68001
109321
4684
6631
9386
377.709
1127.926
750.217
0.105
0.161
0.248
2007
37923
60957
97979
4489
6399
9120
480.678
846.106
365.428
0.082
0.127
0.195
2008
63495
103708
169388
4067
5848
8409
441.674
597.72
156.046
0.063
0.098
0.152
2009
182966
303805
504451
4093
5870
8419
479.84
1311.484
831.644
0.082
0.126
0.193
2010
56780
95360
160152
5395
7753
11143
337.462
1441.107
1103.645
0.097
0.152
0.237
2011
121253
200140
330352
7755
11738
17766
228.753
859.996
631.243
0.051
0.082
0.134
2012
63597
108065
183626
8077
12242
18557
304.508
1076.238
771.73
0.063
0.103
0.169
2013
143857
243043
410615
8647
13389
20730
216.201
1439.234
1223.033
0.073
0.125
0.214
2014
266623
447703
751764
7749
11995
18569
181.33
926.784
745.454
0.037
0.063
0.106
2015
182614
307589
518092
9838
15192
23458
223.589
1682.627
1459.038
0.045
0.075
0.125
2016
156219
261930
439172
14014
22004
34551
226.574
1265.466
1038.892
0.036
0.061
0.104
2017
111597
194799
340036
15845
24777
38744
178.023
1506.857
1328.834
0.039
0.065
0.11
2018
232604
396956
677437
15732
24363
37728
191.008
838.792
647.784
0.031
0.052
0.088
2019
248326
433379
756332
14861
22780
34917
501.78
1430.5
928.72
0.04
0.067
0.113
2020
102183
199449
389299
16902
26085
40258
544.194
1360.891
816.697
0.036
0.064
0.113
2021
93253
273676
803174
18547
29141
45786
874.51033883071
1136.98976884982
262.47943001911
0.036
0.07
0.139
2022
93827
273749
786755
17660
29167
47163
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data