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Haddock (Melanogrammus aeglefinus) in Subarea 4, Division 6.a, and Subdivision 20 (North Sea, West of Scotland, Skagerrak)
Species:
Stock Assessment Graphs
Stock code:
had.27.46a20
Assessment Year:
2018
Key:
10258
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
132000
F
MSY
0.19
Precautionary approach
B
lim
94000
B
pa
132000
F
lim
0.39
F
pa
0.28
Age and Length
Recruitment
0
F
2-4
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
1972
4948350
8943270
12938190
2101510
2588790
3076070
236230
294770
353310
234019.055989
407969.989
144366.023097
29584.909895
0.736
0.864
0.992
1973
25115000
32931300
40747600
2128360
2578840
3029320
237230
275070
312910
207489.123225
344860.667
126104.540859
11267.002689
0.647
0.787
0.927
1974
36341330
52623630
68905930
2140210
2671630
3203050
277140
320420
363700
167528.207612
396836.017
181802.320037
47505.489785
0.598
0.74
0.882
1975
337680
3373420
6409160
1597050
2104070
2611090
136270
157530
178790
160270.542143
495078.074
293320.547786
41486.98375
0.707
0.869
1.031
1976
2589220
5452360
8315500
799850
1046390
1292930
163310
193770
224230
184420.91345
402359.712
169775.522345
48163.27615
0.647
0.809
0.971
1977
8477190
11874670
15272150
674590
805310
936030
290380
349260
408140
156639.345864
240393.856
48732.497129
35022.012692
0.648
0.818
0.988
1978
20912070
24784890
28657710
695620
803580
911540
130530
157310
184090
102969.762578
146733.157
32860.232
10903.161946
0.731
0.903
1.075
1979
40792490
49566390
58340290
1095920
1232080
1368240
71120
92580
114040
97895.979772
149190.228
35054.072
16240.176333
0.74
0.918
1.096
1980
7044850
9101630
11158410
1263220
1434540
1605860
81360
102720
124080
111371.225653
202674.058
68831.199
22471.633656
0.73
0.894
1.058
1981
12165450
15398990
18632530
922770
1033650
1144530
167870
193950
220030
147806.309793
226530.21
61682.562
17041.338496
0.552
0.682
0.812
1982
7579580
9254480
10929380
822300
897380
972460
393910
434790
475670
195455.731511
256136.334
41297.247
19383.355106
0.471
0.565
0.659
1983
25878120
30169940
34461760
1020620
1111260
1201900
263970
294330
324690
188754.36083
253236.807
51584.444
12898.001714
0.615
0.723
0.831
1984
3048450
5827690
8606930
1230800
1375880
1520960
207610
236970
266330
158205.272985
247296.949
79012.062
10079.614084
0.725
0.845
0.965
1985
7163280
9593360
12023440
828630
907390
986150
150590
167430
184270
182946.014975
247316.959
58373.249
5997.695433
0.687
0.801
0.915
1986
14627610
18110550
21593490
959860
1066440
1173020
256120
289060
322000
185136.824016
223842.895
36062.983
2643.087887
0.783
0.905
1.027
1987
0
265070
2544910
717900
799220
880540
145250
163170
181090
135022.041174
195106.235
55674.416
4409.778084
0.782
0.908
1.034
1988
0
1044190
4473870
304740
464760
624780
108840
126000
143160
126226.957278
180061.808
49832.831
4002.019527
0.819
0.955
1.091
1989
0
1978730
4520910
281860
383780
485700
155600
178520
201440
92840.488775
127703.491
32452.674
2410.327768
0.769
0.905
1.041
1990
6115820
8710820
11305820
503130
615670
728210
73310
85070
96830
61604.941267
86742.612
22548.473
2589.197644
0.765
0.899
1.033
1991
8273550
9817750
11361950
719230
801090
882950
44270
52110
59950
55208.295299
97204.018
36610.148
5385.574258
0.751
0.885
1.019
1992
14541730
17033390
19525050
753070
825950
898830
50230
55850
61470
81565.809889
134969.355
42476.977
10926.568522
0.776
0.884
0.992
1993
3522820
4304560
5086300
780010
866630
953250
103610
118470
133330
98630.620802
180144.709
70748.158
10765.930403
0.827
0.943
1.059
1994
14704400
17004120
19303840
816600
893860
971120
118740
138020
157300
95141.294322
169385.25
70668.305
3575.650998
0.796
0.916
1.036
1995
4017680
4796300
5574920
777900
859020
940140
168570
196870
225170
89858.516034394
168815.036
71261.792
7694.727683
0.702
0.82
0.938
1996
5730220
6890100
8049980
712550
779850
847150
110230
124570
138910
92615.26413835
204821.895
107206.777
4999.854154
0.691
0.803
0.915
1997
3358750
4149970
4941190
681310
748510
815710
223420
252820
282220
95391.234901838
169954.472
67879.215
6684.021847
0.524
0.622
0.72
1998
2562670
3126270
3689870
533370
583830
634290
164140
183380
202620
95471.639984756
161971.233
61398.854
5100.73906
0.617
0.729
0.841
1999
39721600
46386980
53052360
1349900
1525980
1702060
125350
142890
160430
76008.772701448
123405.369
43562.001
3834.5951892
0.692
0.816
0.94
2000
7834930
9058770
10282610
1920300
2161740
2403180
79960
92660
105360
54504.286295003
126823.612
64185.38072044
8133.945189812
0.754
0.886
1.018
2001
0
914490
2233570
1014760
1145040
1275320
53970
62710
71450
47591.730990987
173352.736
117882.00727825
7878.998030708
0.494
0.6
0.706
2002
562530
1222950
1883370
691000
772100
853200
464680
537860
611040
65405.412985738
155173.755
86051.34149411
3717.000396953
0.3
0.374
0.448
2003
826030
1362610
1899190
487140
545040
602940
405370
460410
515450
47281.798607332
74406.197
25974.798114652
1149.60008717
0.184
0.234
0.284
2004
961840
1337620
1713400
402020
450460
498900
272570
315950
359330
51895.569298319
72469.501
20020.420188251
553.511706995
0.183
0.233
0.283
2005
11419900
12763560
14107220
931800
1018280
1104760
195110
232970
270830
51527.930670875
64084.824
12388.8932909
168.0000229
0.236
0.296
0.356
2006
2320140
2727540
3134940
700910
764930
828950
129580
160040
190500
43333.74685804
66962.383
23093.913318748
534.722610174
0.414
0.5
0.586
2007
1155310
1813230
2471150
503470
556810
610150
101160
131260
161360
34671.996159468
67371.154
32651.158170365
48.000048
0.346
0.422
0.498
2008
747150
1269310
1791470
423100
467540
511980
241180
277520
313860
33057.696273486
47759.449
14502.944740626
198.808198808
0.196
0.248
0.3
2009
8390040
9336940
10283840
740240
802660
865080
193570
227970
262370
35590.248605311
47967.98
12325.703054921
52.027938492
0.156
0.198
0.24
2010
0
857280
2119400
450270
499030
547790
178090
211370
244650
31939.988536795
45442.368
13071.292686787
431.087
0.17
0.216
0.262
2011
0
64900
1033060
384550
423350
462150
129520
151640
173760
36570.437297648
49661.256
13067.13432805
23.684559238
0.25
0.314
0.378
2012
688200
1136960
1585720
371770
411590
451410
278890
313510
348130
38161.820484508
43194.597
5031.573152525
1.203159915
0.146
0.188
0.23
2013
217240
607300
997360
322970
355790
388610
223470
250330
277190
43733.917176343
47091.647
3305.109710923
54.043398534
0.162
0.204
0.246
2014
4889830
5711610
6533390
463260
507560
551860
156790
179490
202190
41143.223523152
46294.619
5089.55988218
65.080750012
0.272
0.336
0.4
2015
1291570
1663010
2034450
471130
523270
575410
120900
141520
162140
35294.538
41571.481
6255.243882782
20.827827434
0.368
0.45
0.532
2016
1683160
2490960
3298760
479340
541040
602740
99950
120730
141510
35057.56
43132.896
7749.412
36.554
0.251
0.321
0.391
2017
0
816110
1668830
363530
432570
501610
176750
205170
233590
32827
40801
6936
19
0.187
0.247
0.307
2018
1231000
310780
498520
686260
184070
218270
252470
0
0
0
0
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data