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Stock Assessment Graphs
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Turbot (Scophthalmus maximus) in Subarea 4 (North Sea)
Species:
Stock Assessment Graphs
Stock code:
tur.27.4
Assessment Year:
2020
Key:
13708
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
6353
F
MSY
0.36
Precautionary approach
B
lim
2974
B
pa
4163
F
lim
0.61
F
pa
0.47
Age and Length
Recruitment
1
F
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1981
1845.59919765308
2542.90101928516
3503.65648300255
19573.3240689134
11902.5533952878
15370.981759289
19850.1172309744
4755
0.312322911513867
0.387221080317468
0.480080581714127
1982
3125.13425429773
4216.83781951745
5689.90633655466
18262.0273036688
10447.2277775901
13709.3809250721
17990.1433518937
4453
0.305176866407348
0.373990715337231
0.458321290224395
1983
4800.39235291781
6527.78116461442
8876.75918973457
18405.1880485559
9311.83928644264
12330.3757807227
16327.4045241729
4575
0.33817633636996
0.410899878210697
0.4992623426166
1984
3635.07982429463
5039.51186638565
6986.55355013279
19400.8484847406
8613.59665166615
11346.2088201196
14945.7259024148
5297
0.377657290286378
0.457515035499785
0.554259147359877
1985
1769.1617235167
2452.77207826452
3400.53189482045
18701.6684396126
8980.42951680434
11462.6859999384
14631.0563528524
6188
0.412022641620938
0.500105898766288
0.607019820553781
1986
2514.41107534519
3390.37814207514
4571.51340883386
16199.5054580011
8574.38459470581
10916.3567530657
13898.0055587641
5263
0.389870267599914
0.476542138849192
0.582481992014855
1987
2934.99004599954
3968.35666935915
5365.55641022087
14722.6761575743
7521.87857712454
9746.67319101084
12629.5096787756
4271
0.398654763220123
0.488322459264656
0.598158723342818
1988
2709.92525666268
3709.16224120848
5076.85018167248
13822.5418699129
6102.4472954082
8031.76894247022
10571.0560407084
4041
0.380294922153531
0.471193448930381
0.583818645428227
1989
2956.72878277236
4494.51612465845
6832.10286737013
14172.9405553474
6131.07205220729
8015.48421801658
10479.0788139804
4927
0.487281416801515
0.592582118560284
0.720638126408236
1990
3614.65487784692
5841.81362881106
9441.22955774146
14067.2554927091
5186.70914446593
6935.46610421112
9273.83601873713
5750
0.576556532396006
0.719495300924975
0.897871169548311
1991
3223.28481550452
5023.08082336802
7827.83477175852
13965.8079268163
4092.99256163716
5774.36210814153
8146.42520205405
6340
0.608899659325446
0.768522210343299
0.969989683432013
1992
2852.97185903148
4451.6134006372
6946.04182862852
13292.0903096101
3877.44815231113
5403.04721270553
7528.89994552853
5933
0.634118910405513
0.802440758415996
1.0154423093225
1993
3227.70214421283
4921.06054106641
7502.81028633973
12084.3470561209
3574.80255893999
4877.39834148597
6654.63733711326
5546
0.661943715845179
0.832013587773269
1.04577865711056
1994
2497.65605760318
3796.69957391482
5771.38217677494
10795.3300515338
3026.47764326757
4087.93847938542
5521.67997950169
5244
0.674610974899743
0.841898027670126
1.05066818561644
1995
3396.57022121539
4863.77584427837
6964.76560844395
9970.04313456043
2874.84019771363
3696.44517270448
4752.85788951922
4671
0.661620569487434
0.820761038555177
1.01817977474923
1996
2416.65661071989
3332.75652093033
4596.12920533834
9295.26545369045
2546.89261943886
3233.84375067575
4106.08021868182
3644
0.611943803191697
0.747376537768766
0.912782654704404
1997
2042.2517371596
2851.82423645024
3982.32075293342
8931.83729569833
2915.35572997107
3540.86090577052
4300.57156494532
3382
0.547988973488066
0.684958581495004
0.856163684056074
1998
2862.80133171676
4103.81241967491
5882.79605339525
8767.08330301073
3206.76299458347
3769.12008739841
4430.09547547665
3086
0.523500420918201
0.648854155746343
0.804224215695682
1999
2354.78031343998
3468.63360008509
5109.35945190707
8958.96889678995
2876.43334100851
3657.67183411785
4651.09448404892
3187
0.495903866927777
0.615092785243857
0.762928381266579
2000
3872.45768996706
5582.86075682718
8048.72169704353
9949.17594283818
3186.73633196622
4032.26803389664
5102.1433226491
4025
0.514259801457105
0.636626641008015
0.788110365408278
2001
2382.97559597973
3555.07395684819
5303.68454464349
9727.77812116794
3093.98850483762
3880.64715302046
4867.31683155887
4100
0.567860307599741
0.698988197120078
0.860395581755571
2002
4229.8986012348
5772.52816918016
7877.74946998753
9286.02451633077
3059.93914861874
3707.4243202702
4491.91778755975
3749
0.607200844060071
0.762850018128665
0.958398124527857
2003
3624.27459599621
4834.57184051672
6449.03807976851
8697.08620764175
2588.96720463019
3065.14468705209
3628.90342363593
3374
0.588552620384465
0.708251340543092
0.852294160296847
2004
4704.91953274628
6178.87305274707
8114.58558137739
8605.50111344153
2404.65189023672
2882.04713000347
3454.21958716176
3317
0.519959806024077
0.627456908235494
0.757178087865921
2005
3554.89425046871
4638.24220142723
6051.7385900478
8566.4667570147
2456.38469425574
2977.58076596762
3609.36429810584
3195
0.458631378554989
0.558887004500583
0.681058249402321
2006
4866.302504473
6391.4762362902
8394.66277353556
8856.72540776285
2651.98903597291
3262.79731054327
4014.28744436075
2976
0.349868244840265
0.433108007231638
0.536151962044462
2007
4067.78425171338
5324.15308979192
6968.56184336744
9994.98098532792
3324.36556794511
4056.58871404454
4950.09097482785
3509
0.327004828736147
0.403812765021324
0.498661594155664
2008
2411.54727465651
3238.63285272784
4349.3830143811
10048.335921996
4020.8407282032
4913.72840920907
6004.89512307987
3005
0.305328864420555
0.375103315091938
0.460822782870475
2009
3000.64428219201
3997.71974111786
5326.11053678398
10011.8427229935
4930.42335761041
6009.35736660942
7324.39657618473
3089
0.351624453936001
0.43049615691984
0.527059307304272
2010
4245.74339458873
5531.75952879946
7207.30403148345
9712.29224967872
4563.7725743569
5726.92342087312
7186.52196930885
2692
0.335112299461437
0.408989782940236
0.499153993507034
2011
5102.64066173707
6928.60299236646
9407.979634115
10497.5812986161
4216.0837102239
5390.66469700789
6892.47839294538
2771
0.297257627943732
0.366764232844966
0.452523299149177
2012
3133.46481678561
4170.34617902831
5550.33749214935
11269.1589350168
4677.05413098366
5921.28255998062
7496.51087483922
2914
0.283553541359341
0.348127265695863
0.427406381665655
2013
2431.52003075496
3216.29587978149
4254.3590245841
11242.3006621242
5536.21252900372
6893.56470411139
8583.70846148173
2981.556
3529.916
97.007
0.26968072529402
0.331031717221601
0.406339747444722
2014
4943.90141252175
6480.98594075003
8495.95800147132
11953.9766472369
6496.60086090942
8079.92800923611
10049.1377001879
2833.6
2713.721
158.604
0.270928812094417
0.330021177165078
0.402002195836844
2015
6678.82735106556
8959.86011441599
12019.9383888992
13500.7703405531
6165.15147351238
7896.19635305366
10113.2822305915
2925.168
2961.618
111.678
0.269793137359865
0.330761884308533
0.405508550669335
2016
2226.5228226452
3016.33099970779
4086.30560947454
14134.6542134047
6337.57156751947
8125.29818193015
10417.3136100959
3493.165
4155.526
665.581
0.289021498826656
0.357271331555452
0.441637749681595
2017
3867.45855388255
5142.10795177422
6836.86038759362
13807.5971124252
7227.29649727356
9023.09203607319
11265.0961424041
3440.719
3936.353
495.634
0.291232418404499
0.356998578033234
0.437616064227904
2018
4440.60341918289
6308.31935713472
8961.59583620805
13280.4183719825
7123.20122334618
8956.6117213441
11261.9159576731
3140.388
3626.373
483.851
0.298279812758343
0.367831719323721
0.453601510908351
2019
4750.14213694383
8102.49059520688
13820.7135603008
13947.7770899943
6357.37017916469
8217.62823698982
10622.2245894521
3044.778
3274.95
227.2148
0.288355395583671
0.367311993631004
0.467888247390307
2020
4563.48
8393.06822562974
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
BMS
Custom fish data
Year
Custom1
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
0
2018
2.133
2019
2.9572
2020
Sensivity data