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Stock Assessment Graphs
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Whiting (Merlangius merlangus) in divisions 7.b-c and 7.e-k (southern Celtic Seas and eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
whg.27.7b-ce-k
Assessment Year:
2021
Key:
16877
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
50818
F
MSY
0.375
Precautionary approach
B
lim
36571
B
pa
50818
F
lim
0.64
F
pa
0.375
Age and Length
Recruitment
0
F
2-5
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1999
1630362
2164746
2874285
111077
54562
61155
68545
20180
25598
5420
0.69
0.804
0.937
2000
1302778
1854498
2639869
96589
47616
53303
59669
15644
20045
4400
0.698
0.811
0.941
2001
1100727
1406546
1797332
104261
54794
64208
75239
13196
23070
9877
0.77
0.893
1.036
2002
996812
1270409
1619099
101772
63504
73921
86047
13640
20977
7336
0.515
0.616
0.737
2003
754657
969463
1245413
104967
62752
70959
80239
11788
22125
10337
0.466
0.562
0.677
2004
665849
843915
1069600
83506
57046
64785
73574
10321
29842
19522
0.602
0.706
0.828
2005
594158
746124
936959
68282
40839
45709
51161
12575
26173
13598
0.655
0.759
0.879
2006
608365
788980
1023217
63904
37324
41667
46515
9908
15006
5098
0.549
0.657
0.787
2007
773793
977045
1233686
73311
34034
38626
43838
9424
17863
8439
0.982
1.143
1.329
2008
950051
1201563
1519659
69714
32390
36493
41117
6080
9841
3760
0.58
0.692
0.824
2009
975170
1400384
2011010
120533
40621
45959
51999
6574
10855
4281
0.524
0.635
0.769
2010
547050
685700
859492
102439
61094
69991
80182
9570
14916
5346
0.432
0.536
0.666
2011
519382
653475
822188
91101
61565
70233
80121
10084
13834
3750
0.338
0.428
0.542
2012
468107
600632
770676
91013
55938
63302
71636
10834
15950
5116
0.312
0.394
0.498
2013
927480
1414790
2158141
101766
50490
56931
64194
12131
16156
4026
0.328
0.407
0.505
2014
443861
567204
724824
96245
55692
64149
73892
12983
17655
4672
0.367
0.447
0.544
2015
401170
533781
710229
91090
55396
63702
73253
13110
19638
6528
0.446
0.541
0.656
2016
245858
348159
493028
65570
43212
50810
59744
15201
23460
8259
0.584
0.714
0.873
2017
206517
299364
433954
47523
29262
35894
44029
12377
15168
2791
0.514
0.701
0.957
2018
346494
497185
713413
44818
19060
25981
35415
9007
11146
2139
0.441
0.753
1.284
2019
206650
328106
520948
44408
17431
25705
37904
6588
7559
970
0.238
0.552
1.279
2020
191470
395701
817776
36013
19636
29668
44824
5931
7197
1266
0.158
0.409
1.06
2021
299364
533781
1414790
17873
28381
48042
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data