ICES Marine Data
News
Events
Calendar
Library
SharePoint Login
Admin
About ICES
Who we are
How we work
Global cooperation
Project collaborations
ICES Awards
Jobs at ICES
Science
Expert groups
Science priorities
Publications
Data
Dataset Collections
Data Portals
Data Tools
Assessment Tools
Maps
Vocabularies
Guidelines and Policy
Advice
Latest advice
Ecosystem overviews
Fisheries overviews
ICES ecosystems and advisory areas
Join us
Why join us
Join our expert groups
Become an observer
Join our advisory process
Dataset Collections
Data Portals
Data Tools
Assessment Tools
Maps
Vocabularies
Guidelines and Policy
Stock Assessment Graphs
Stock assessment graphs
>
View list of published graphs and tables
>
View published graphs and tables
> View source data
Megrim (Lepidorhombus spp.) in divisions 4.a and 6.a (northern North Sea, West of Scotland)
Species:
Stock Assessment Graphs
Stock code:
lez.27.4a6a
Assessment Year:
2020
Key:
13757
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
ratio
Stock size description
B/Bmsy
Stock size units
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
0.5
F
MSY
1
Precautionary approach
B
lim
0.3
B
pa
0.5
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1985
1.11116780045351
2.36504197977821
3.71045373527147
4499
6427
1928
0.356593612075882
0.664858429425362
1.24136456681844
1986
0.98226272194132
1.65807107455391
2.31405901932073
2858
4051
1193
0.309351070978623
0.520837154348887
0.866570276367014
1987
0.979973263337427
1.54717732659691
2.07708881772852
4614
6488
1874
0.523142630395768
0.920096735657135
1.4672576350315
1988
0.924747913328183
1.46273859100528
2.16906035061485
5212
7273
2061
0.576203707483456
1.11884311948151
1.77064388026371
1989
0.752476725536207
1.17193655913351
1.60069295605599
3451
4778
1327
0.475111051605198
0.856538612436911
1.38739037204758
1990
0.67775587707221
1.06503774269284
1.4800509555612
3047
4187
1140
0.438990532988559
0.810813987571726
1.31705277773089
1991
0.636740408671247
0.996613227116716
1.35774413845041
3310
4514
1204
0.552334206595923
0.936745958299553
1.56741705492911
1992
0.68244844854674
1.06064211079227
1.42092655254174
3574
4837
1263
0.534389641899556
0.951909163663401
1.57889722841616
1993
0.728503302009459
1.13679573297199
1.5784776414267
3802
5107
1305
0.517681238078138
0.949747853492038
1.51474250870864
1994
0.777432812683383
1.25674530241523
1.84342869767811
3900
5200
1300
0.468837232277593
0.887589843539689
1.4193990231257
1995
0.798907843579145
1.29283418846643
1.85583858732144
4670
6181
1511
0.545574081484147
1.05081960269181
1.64640197106769
1996
0.796723481785884
1.25314090956272
1.86862368028395
5253
6902
1649
0.610636491722355
1.23755289556541
1.92030247785171
1997
0.676383810842177
1.04109624642082
1.46035886410949
4856
6334
1478
0.704107088183499
1.33566367203386
2.09384838049551
1998
0.634655156257397
0.9994865035379
1.42965658737208
4253
5507
1254
0.608403897039339
1.19116754272135
1.89122297561342
1999
0.59517120819835
0.970894235942224
1.43593331086121
3759
4833
1074
0.51883352957186
1.06546818358751
1.73453990383706
2000
0.558251282874429
0.908551449315376
1.33215718216837
3494
4460
966
0.510433626198899
1.0394356952916
1.69868736502508
2001
0.524017622387863
0.833985230475232
1.19870533201179
3571
4527
956
0.593448417027875
1.14576424890206
1.90021681318109
2002
0.521407741621641
0.851608099471854
1.2351584872663
2803
3528
725
0.43243869947233
0.849148154288755
1.37420671541299
2003
0.533537909719672
0.88872757269018
1.32090332922866
2369
2961
592
0.333750726535761
0.67424437495581
1.14975894505778
2004
0.571037399860115
0.884209699440817
1.26517172567473
2067
2566
499
0.292573135540694
0.573424517426689
0.945554516662348
2005
0.572217183163388
0.881718879691692
1.1769901773839
1527
1883
356
0.234803153223434
0.408660788353683
0.687304947103008
2006
0.658563747544957
1.00410544339647
1.35064011001755
2054
2515
461
0.287359434289786
0.490729866111842
0.812308838149522
2007
0.730589203531268
1.15021341953997
1.55155252124115
2348
2856
508
0.282463623831404
0.496510622219635
0.852616278687938
2008
0.805146211445153
1.27796495800327
1.70692016350557
2894
3496
602
0.318557728157746
0.559585452721746
0.944070611447852
2009
0.903493841054595
1.39764474497966
1.85423841570662
2871
3445
574
0.291709139164394
0.506852940228181
0.819835077694008
2010
0.931731190732297
1.41238118667445
1.84400783347843
3197
3811
614
0.335000522917797
0.55719931259164
0.920609576469621
2011
0.998303590463509
1.44754160716278
1.89511669235195
3257
3857
600
0.338776339866088
0.549989026946273
0.863583253170738
2012
1.07192197282248
1.57903136512534
2.12850959447585
2545
3186
449
0.252110710591291
0.417709373502935
0.652910918420056
2013
1.19628059301701
1.7786474348598
2.53929435049635
2737
3064
327
0.211410021823478
0.364555066544497
0.582223987328037
2014
1.2342812571334
1.80554234340351
2.54278706630127
2500
2809
309
0.196325683514935
0.327781799759334
0.525121432387806
2015
1.11269481997093
1.64856848430646
2.16413666099925
2471
2623
152
0.203731848090349
0.326845104275779
0.496024828482813
2016
1.18142515093392
1.74944037630701
2.30045828944112
2792
2959
167
0.218589861236693
0.353163092355686
0.560918480479009
2017
1.25772432070729
1.90213971468613
2.66891114180479
2594
2788
193
0.181967077577779
0.311860263390258
0.490284448573657
2018
1.17488220306254
1.68672062371731
2.26631796292702
3003
3258
255
0.241452750833701
0.401782099640634
0.605092826600268
2019
1.04964038225059
1.54457258660595
2.02417566408691
3197
3381
184
0.278300025954195
0.450415971858661
0.7104083826349
2020
0.905428341704115
1.45828198016217
2.07367081139225
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data
