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Stock Assessment Graphs
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Megrim (Lepidorhombus spp.) in Division 6.b (Rockall)
Species:
Stock Assessment Graphs
Stock code:
lez.27.6b
Assessment Year:
2020
Key:
14009
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
Stock size description
B_index
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
1
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Discards
1991
1045
1992
1073
1993
925
1994
1046
1995
816
1996
843
1997
1009
1998
1091
1999
866
2000
964
2001
824
2002
455
2003
632
2004
528
2005
13.569676470105
565.711652108981
1117.85362774786
382
87
2006
550.990080900069
929.345538891821
1307.70099688357
344
75
2007
933.607541798676
1267.12563495612
1600.64372811356
294
22
2008
924.736645696902
1727.6356870449
2530.53472839289
294
59
2009
1241.37132603404
1604.7742726137
1968.17721919337
226
44
2010
1379.54743585794
1990.69254777076
2601.83765968358
139
26
2011
662.652214151629
884.799871950437
1106.94752974925
155
7
2012
2107.14915131173
4320.21817832803
6533.28720534432
224
21
2013
2244.05745058774
3030.17274006488
3816.28802954201
278
15
2014
1888.19373048383
3317.92325008654
4747.65276968925
343
15
2015
2187.09545175425
3261.66851499647
4336.24157823868
453
85
2016
2703.69868473614
4507.33163397869
6310.96458322123
405
145
2017
2060.98730873935
3015.49514105906
3970.00297337878
585.85
232.81375
2018
2085.18639857832
3968.6533021126
5852.12020564688
763.269
203.24244
2019
1424.33013004149
4150.43260900693
6095.03194739956
783
33.893
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
MSYBtrigger
0.5
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
CustomName5
CustomName6
CI_lower
B/Bmsy
CI_upper
CI_lower
F/Fmsy
CI_upper
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
Custom5
Custom6
1991
0.47661280833926
1.98722962172026
11.1697933525424
0.346678028665876
0.938438850495685
2.54030369189747
1992
0.474183221275636
1.60113828509859
7.45880837848043
0.438255348803497
1.00001362656002
2.281836961114
1993
0.492844855197323
1.39594387843586
5.40964512465624
0.552497636145017
1.0763246018929
2.09679566544941
1994
0.520171184304417
1.26211188160352
4.11361642714
0.680983537207158
1.16454634993401
1.9914845617363
1995
0.546606303720259
1.15443906670521
3.19698166203585
0.75508178815239
1.1994205027655
1.90523671081298
1996
0.577596389809619
1.08180889761921
2.59385355693891
0.78305628184625
1.20954006081168
1.86830396821411
1997
0.601640883611939
1.01343809216058
2.13548425563434
0.919218675277115
1.3885635582702
2.09755176566091
1998
0.602132017045999
0.917303145826804
1.70017991273855
1.07157244056745
1.67100849500494
2.60576820070141
1999
0.573451151966088
0.801903906058969
1.31676178460213
1.12662755384473
1.82793746163292
2.96580298630039
2000
0.523130362883852
0.697014484774991
1.05443321011508
1.1636954978571
1.99992030895179
3.43705140178259
2001
0.449199763725808
0.58513728955923
0.827907298976392
1.15778467751258
2.19754253725592
4.1710633219161
2002
0.373179845059238
0.495054034318782
0.69239739328933
1.01005248316038
1.94565775612978
3.74790831872733
2003
0.330331095177122
0.448769082321515
0.651514814526491
0.963595996745405
1.90909787584071
3.78234728231491
2004
0.277955275401132
0.393754465395314
0.603307837579337
0.984100689909539
2.11445431055653
4.54314998177888
2005
0.227327296157125
0.345342337604933
0.585500013903784
0.857677506766481
1.89148159422173
4.17138445750759
2006
0.199432577820082
0.328617152479585
0.650034308022372
0.669593061918971
1.52261255358222
3.46232528407934
2007
0.190208256336717
0.342613750559097
0.813972489963327
0.403131946020665
0.905209091083045
2.03259381120192
2008
0.199669106797786
0.398815246109074
1.15348432248745
0.335216606293921
0.746243819511635
1.66125373177675
2009
0.205065581230819
0.457312960043796
1.53889550813756
0.345323395046362
0.767995089225634
1.70801186810845
2010
0.218740087832672
0.530464093298104
1.93099116631399
0.218864981277495
0.51915871323442
1.2314705073147
2011
0.25405414543485
0.637339206846545
2.29655579517945
0.141629000958172
0.364427245952789
0.937712027157184
2012
0.316106585827683
0.782436549829057
2.64210118400322
0.13955631143569
0.345055486773398
0.853155889028304
2013
0.404460630401361
0.927181076844824
2.74880032059205
0.160004610141398
0.375437832348319
0.88093440453898
2014
0.514298301180589
1.06044453150767
2.72039946556863
0.178871338592704
0.408311738862923
0.932058078197133
2015
0.631112165494398
1.16911749672526
2.6332874928987
0.222632858657998
0.485002114940066
1.05656933533646
2016
0.732829098197823
1.23782249268771
2.50627253060253
0.270219528047063
0.571456664700077
1.20850895562685
2017
0.807431269719793
1.26758826940563
2.35392329457008
0.332678787465577
0.686925051039616
1.41838326795815
2018
0.842629184255483
1.25851778354669
2.1866843623886
0.407789979647692
0.854793370403179
1.79178435604643
2019
0.844522279603751
1.22037094194308
1.99374029285293
0.421223753136539
0.905179009447082
1.94516342690202
Sensivity data