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Blonde ray (Raja brachyura) in divisions 4.b, 4.c and 7.d (central and southern North Sea and eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
rjh.27.4bc7d
Assessment Year:
2025
Key:
21097
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
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
1997
0.0440007014630072
0.101778289050769
0.235423976838434
0.873255726226084
1.54021023131593
2.71655539769811
1998
0.0489570022713501
0.107583763436689
0.236416970366152
0.984296309374358
1.54749484054293
2.4329465209812
1999
0.0534115427566158
0.113521736353885
0.241280890977536
164.374381236248
235.758704322252
71.384323086004
1.08509238860388
1.58038398789904
2.3017519756278
2000
0.057525010413919
0.119393028611547
0.247799960025537
194.033121226073
278.297608859827
84.264487633754
1.10700749550654
1.63812649989209
2.42406527556602
2001
0.061693433916618
0.124583508748948
0.251583510056789
205.641030234658
294.946587655503
89.305557420845
1.05794375433078
1.63877599028937
2.53849671625285
2002
0.0659877344619416
0.129206225146428
0.25299017692777
206.492986859141
296.168531053351
89.67554419421
0.955793929962207
1.57657064721158
2.60053441200179
2003
0.0707528112799791
0.134658006671822
0.256283509203253
205.747524812718
295.099330580234
89.351805767516
0.815118666379455
1.44656671067433
2.5671786633543
2004
0.0758629791628154
0.141537198380531
0.264065275928802
189.347359791414
271.576920171665
82.229560380251
0.652754599505262
1.24603118987151
2.37852590745338
2005
0.0825691569612749
0.1526623167758
0.282257731834237
159.102899622257
228.197929548069
69.095029925812
0.51615083124232
1.05206096422205
2.14439695810584
2006
0.0916627876225335
0.169635522931663
0.313935582657586
154.949611077901
222.240955483561
67.29134440566
0.428872107926567
0.920310510634703
1.97488113666214
2007
0.103192702687434
0.192585911554813
0.359418179420495
166.025047196184
238.126219655582
72.101172459398
0.364050521332224
0.813453830548792
1.81762446600274
2008
0.116556334259574
0.220460228505331
0.416989026476957
159.635372512559
228.961644171724
69.326271659165
0.308700657303685
0.710128081487314
1.6335627417235
2009
0.133510077411847
0.256199124132507
0.491633234574389
163.04578
257.687935127281
94.642155127281
0.259405631663806
0.610143811542623
1.43510943989927
2010
0.154549101223553
0.30068019443646
0.584982886413376
126.09529
222.592671154885
96.497381154885
0.213048830017154
0.510097883151127
1.22131555650557
2011
0.18201770139045
0.357738317756719
0.703100319440259
157.18749
235.349068785647
78.161578785647
0.205587349301883
0.488078167270636
1.1587303312932
2012
0.218865360875947
0.433232866114684
0.857562455432713
216.83769
346.643005403533
129.805315403533
0.211051079256504
0.498540381088049
1.17764150958616
2013
0.25652727657309
0.510291231708927
1.01508558714543
252.83273
326.166282421499
73.333552421499
0.166810174662372
0.402022493237143
0.968898242542676
2014
0.299358781616373
0.594483079614335
1.18055708952155
206.06632
285.880860913517
79.814540913517
0.134883468730168
0.325911077647817
0.787479974629427
2015
0.350024745729142
0.688893852229307
1.35583196739631
225.3449
298.124870387917
72.779970387917
0.116597466175588
0.279079534190813
0.667985239806764
2016
0.411234207620825
0.794870731008558
1.53639815780268
182.93209
271.828353260365
88.896263260365
0.105086479445999
0.248914498342463
0.589594663478267
2017
0.486997856989373
0.915255405970153
1.72011528620724
240.83954
333.817200552014
92.977660552014
0.107252204636231
0.247735809743394
0.572230954481308
2018
0.569956690482298
1.03253565093103
1.87054540853165
254.83533
343.533021041319
88.697691041319
0.10127878279507
0.232201980731734
0.532369745841428
2019
0.658851355408811
1.14327612114084
1.98387736238293
253.05768
360.450596737142
107.392916737142
0.0942619126837733
0.215443991439066
0.492416418526448
2020
0.751865110983904
1.24401382894997
2.0583085769116
243.07429
342.702187037304
99.627897037304
0.0910917496990036
0.207378296226078
0.472114740223298
2021
0.862002298571088
1.35788368764933
2.13902922560719
298.81763
421.292829144143
122.475199144143
0.0914431613293038
0.207303640067924
0.469961870966503
2022
0.959132418357853
1.43606968661429
2.15016832435229
327.9669
370.459737007521
42.4928370075209
0.0801900875834838
0.186443885352884
0.433486524743975
2023
1.05559690259859
1.50643192502838
2.14981413753509
314.22566
364.877014784322
50.6513547843221
0.0845320377325604
0.197239840080134
0.460222603859599
2024
1.16289604667506
1.584857915998
2.15993047795043
470.67707
511.110847538411
40.4337775384114
0.0978038147707751
0.228976566409344
0.536075899365426
2025
1.25582755705923
1.63822498382025
2.13706179843472
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data
