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Stock Assessment Graphs
Stock assessment graphs
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Lesser spotted dogfish (Scyliorhinus canicula) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak and Kattegat, eastern English Channel)
Species:
Stock Assessment Graphs
Stock code:
syc.27.3a47d
Assessment Year:
2019
Key:
13103
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Year-1
Stock size description
Biomass index
Stock size units
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
SSB
Landings
1993
0.30402476211
1994
0.338377397068808
1995
0.3014685501444
1996
0.259399380036199
1997
0.475795507055825
1998
0.479776605662751
1999
0.554273158394316
2000
0.636889542631225
2001
0.484687270106835
2002
0.662332328571748
2003
0.645858683367279
2004
0.61535894081037
2005
0.82030531182513
2651.71036
2006
0.726582327236398
2292.5774
2007
0.983382005428281
2243.35461
2008
1.1594851875721
2282.2193
2009
0.995610483864479
2223.03958
2010
1.22169224657626
2527.60624
2011
0.997814634107985
2693.1853
2012
1.74921066140506
2525.82906
2013
2.29254509140229
2471.50848
2014
1.94476026414038
2705.34807
2015
2.01135034468657
2776.12416
2016
1.86624315442542
2967.91103
2017
1.61374806921833
2407.28986
2018
1.85902809215157
2340.12165
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
IBTS-Q1
IBTS-Q3
CGFS-Q4
BTS-ENG-Q3
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
1993
0.062217702132751
0.173099343437443
0.608828515838906
0.853759735933573
1994
0.108103257455655
0.209793213474873
0.57013702891061
1.06842590861871
1995
0.133768059585415
0.0981162177087808
0.455649286617267
1.18976802345977
1996
0.153599952140229
0.219365527397681
0.234546586107956
0.987192369113011
1997
0.128712871287129
0.155018306027694
1.17310117881577
1.02452427915603
1998
0.121713379797194
0.24755067394817
0.99950775660273
1.26320507713322
1999
0.272591307469115
0.287435315293203
1.04592729738596
1.4027711657199
2000
0.407914809607849
0.263238632877217
1.33281837412795
1.24771552937302
2001
0.243426759594388
0.222024503487349
0.937135332296028
1.23067522583915
2002
0.435523914929257
0.438731054795361
0.896352009252204
2.01696657004595
2003
0.453022643654094
0.343805608394183
1.27596897993818
1.17208670875399
2004
0.447967455355807
0.496164938332209
0.709403957064735
1.85440387875693
2005
0.344919386198439
0.414800269988342
1.37694644187988
2.62714327474536
2006
0.386527474499716
0.645865292180565
1.35308884180932
1.19552258738732
2007
0.850827076665371
0.39273076844409
1.73082905317851
2.20155503526832
2008
0.913433639436451
1.20318668057516
0.997118619434383
3.49856146240721
2009
0.908378451138165
0.927450860076497
1.05088406197748
2.51506965411831
2010
0.770332924531124
1.40580065860792
1.09655644536023
3.70486007751207
2011
0.61051120217762
1.24121003865742
1.05663884815745
2.48562017769704
2012
2.99733780024528
1.35448242007732
1.11519303882327
3.51147866214594
2013
3.14199395770393
2.95624961649383
1.15788205648012
4.39340649311234
2014
3.02222488109838
2.28671943711522
0.799182586650673
3.835316174364
2015
2.61547665340552
2.33777177803686
1.10822930413352
4.55377939652116
2016
2.77840926086566
2.21253400421345
0.925809657222305
3.55369067477587
2017
1.74403996290868
2.62706837659283
0.898676953615223
2.72045305867662
2018
1.94702521611678
2.83978646376634
1.09358778831933
3.57089012833181
Sensivity data