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Stock Assessment Graphs
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Hake (Merluccius merluccius) in subareas 4, 6, and 7, and divisions 3.a, 8.a-b, and 8.d, Northern stock (Greater North Sea, Celtic Seas, and the northern Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
hke.27.3a46-8abd
Assessment Year:
2017
Key:
8988
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
45000
F
MSY
0.28
Precautionary approach
B
lim
32000
B
pa
45000
F
lim
0.87
F
pa
0.62
Age and Length
Recruitment
0
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
F Landings
F Discards
1978
254980.384232846
304112
362710.679969579
116722
63811.4384
76696
89581.3616
50551
50551
0
0.474698899877836
0.52
0.565301100122165
0.52
0
1979
234713.81489445
283534
342511.139624023
125851
87348.6188
97911
108473.3812
51096
51096
0
0.498712774515697
0.55
0.601287225484304
0.55
0
1980
265874.120876106
316489
376737.133399588
124161
90440.4892
100483
110525.5108
57265
57265
0
0.586637100382159
0.65
0.713362899617841
0.65
0
1981
528358.736954949
599540
680310.907077229
107717
77086.4548
86475
95862.7452
53918
53918
0
0.588232291297498
0.67
0.751767708702502
0.67
0
1982
358953.840501803
418396
487681.682333527
99728
61573.878
70398
79221.522
54994
54994
0
0.631364082981458
0.69
0.748635917018542
0.69
0
1983
121148.782979717
152160
191109.353561366
107849
61116.316
69158
77199.684
57507
57507
0
0.588970088112218
0.63
0.671029911887782
0.63
0
1984
254653.451599267
295900
343829.629055191
115404
76028.2244
83620
91212.7756
63286
63286
0
0.614048784010648
0.67
0.725951215989352
0.67
0
1985
615192.447062833
686703
766526.007366337
100455
73627.7844
80312
86995.4156
56099
56099
0
0.696224708897631
0.8
0.90377529110237
0.8
0
1986
367147.072061613
412289
462981.274960227
85629
54953.4304
61012
67071.1696
57092
57092
0
0.843099499731301
0.91
0.976900500268699
0.91
0
1987
439097.558266443
487329
540858.289393839
84492
42178.4952
47228
52277.9048
63369
63369
0
0.9426874852235
1
1.0573125147765
1
0
1988
483116.917604772
530902
583411.305897552
83868
45273.1392
49688
54102.8608
64823
64823
0
0.952764550481647
1.02
1.08723544951835
1.02
0
1989
464222.231315733
506464
552549.546300254
82882
43936.0936
47762
51587.3064
66473
66473
0
1.02178479074661
1.09
1.15821520925339
1.09
0
1990
495101.324239137
538463
585622.352787237
75535
41185.1384
44295
47404.0616
59954
59954
0
0.920241125492403
1
1.0797588745076
1
0
1991
289331.380149196
317821
349115.909891672
74652
41551.4368
44539
47527.1632
58129
58129
0
0.890674744521427
0.94
0.989325255478573
0.94
0
1992
302205.453643725
330559
361572.73524858
77182
42211.0272
45268
48324.9728
56617
56617
0
0.956439486895973
1.01
1.06356051310403
1.01
0
1993
567230.326979044
602754
640500.272515264
66904
40525.2764
43205
45885.5236
52144
52144
0
1.00903798208837
1.08
1.15096201791163
1.08
0
1994
306851.4012858
329784
354432.620379997
59848
31109.4068
33366
35621.9932
51259
51259
0
1.0540738928808
1.1
1.1459261071192
1.1
0
1995
151841.864980849
165603
180611.280113419
65557
30105.7548
32134
34162.4452
57621
57621
0
1.08628246051624
1.13
1.17371753948376
1.13
0
1996
378109.051615752
401880
427143.253912707
59356
35229.3996
37306
39382.6004
47210
47210
0
0.956658534076784
1.01
1.06334146592322
1.01
0
1997
254427.273779778
275848
299072.178754949
50138
29728.59872
31651
33573.60128
42465
42465
0
1.01703067630175
1.07
1.12296932369825
1.07
0
1998
423626.200136412
452656
483675.122714367
48405
24380.64868
25997
27612.95132
35060
35060
0
0.94474136075542
1.01
1.07525863924458
1.01
0
1999
205604.907716397
223378
242689.62348811
52164
27403.58016
29147
30891.21984
39814
39814
0
0.942534564746797
0.99
1.0374654352532
0.99
0
2000
184613.001738184
199135
214799.325354332
57448
30097.8026
31971
33844.5974
42026
42026
0
0.876392954342793
0.92
0.963607045657207
0.92
0
2001
321168.608514482
341926
364027.088045027
56489
35428.2484
37514
39599.9516
36675
36675
0
0.730177360510636
0.78
0.829822639489364
0.78
0
2002
248360.296638216
265328
283454.918265577
58252
35476.7428
37769
40061.4572
40104.6974239733
40104.6974239733
0
0.786391389519056
0.83
0.873608610480944
0.83
0
2003
145791.54785903
157143
169378.285721181
61778
35161.6844
37543
39924.9156
43161.8839655471
44554.8839655471
1393
0.782128118031483
0.82
0.857871881968517
0.794362855464212
0.0256371445357881
2004
310704.551734026
329055
348489.239763983
63379
39631.4368
42139
44646.7632
46415.6084983164
49029.4690483164
2613.86055
0.778701470100546
0.83
0.881298529899454
0.785751014673195
0.0442489853268051
2005
202987.974692979
217285
232589.005808889
58930
37586.7676
40113
42638.4324
46550.3980044515
51133.3718161719
4582.97381172043
0.922539737014023
0.97
1.01746026298598
0.883060992469837
0.0869390075301634
2006
276403.445781018
292674
309904.441975964
55194
30176.2748
32475
34773.9252
41469.0355866517
42690.5795866517
1221.544
0.822981741453932
0.87
0.917018258546068
0.845105906495299
0.0248940935047013
2007
427271.797228094
452723
479690.248826756
61430
35583.0208
38281
40978.9792
45092.7854877926
47258.0281177926
2165.24263
0.711806120067054
0.76
0.808193879932946
0.725178733342443
0.0348212666575574
2008
696684.938783478
734328
774004.979245845
76794
41253.2904
44733
48212.3096
47821.7012684
51190.0825832729
3368.3813148729
0.583550601340658
0.63
0.676449398659342
0.58854509074257
0.04145490925743
2009
226664.432263622
247176
269541.542159305
121006
61684.8856
67034
72383.1144
58780.81493
69813.6514771115
11032.8365471115
0.475440928416446
0.51
0.544559071583554
0.429403347053526
0.0805966529464743
2010
237648.752717588
257528
279067.973093097
195733
113783.312
123089
132394.688
72760.1609419223
84877.8890654039
12117.7281234817
0.364721350822141
0.39
0.415278649177859
0.334321023764903
0.0556789762350974
2011
242474.055800816
265486
290681.887442421
250481
185527.7404
201049
216570.2596
87500
101403
13903
0.288050963308771
0.31
0.331949036691229
0.267497016853545
0.0425029831464552
2012
443644.811543569
487330
535316.818140398
266692
206375.44
227026
247676.56
85600
100470.27
14870.27
0.237898137594482
0.26
0.282101862405518
0.221518266050246
0.0384817339497545
2013
282087.731844484
318837
360376.077255442
274021
203272.464
228246
253219.536
77708.45105
93108.45105
15400
0.233085887949655
0.26
0.286914112050345
0.216996384808831
0.0430036151911691
2014
187743.606974383
217489
251947.141547431
301883
210157.232
241117
272076.768
89900
99700
9800
0.227616626195753
0.26
0.292383373804247
0.23444332998997
0.0255566700100301
2015
260703.218147676
309968
368539.912056534
325976
230885.496
272795
314704.504
95000
105900
10900
0.211746400994434
0.25
0.288253599005566
0.224268177525968
0.0257318224740321
2016
418429.243542969
529458
669947.854003692
332535
234897.516
290234
345570.484
107533.81526
118633.81526
11100
0.215628839471151
0.27
0.324371160528849
0.24473738837926
0.02526261162074
2017
303345.635662798
335071
370114.763507213
197000
265666
334331.07
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data