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Stock Assessment Graphs
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Lesser spotted dogfish (Scyliorhinus canicula) in divisions 8.a-b and 8.d (Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
syc.27.8abd
Assessment Year:
2019
Key:
13120
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
Low SSB
SSB
High SSB
Landings
Catches
Discards
1997
0.152450335174413
0.298035172990408
0.443620010806403
967.341
1998
0.14914722149773
0.223721993826625
0.29829676615552
1319.87895275591
1999
0.137455628612516
0.283055721945167
0.428655815277818
668.564
2000
0.170479875491151
0.370530223382377
0.570580571273603
1115.06847969543
2001
0.400307275031315
0.572771551146083
0.745235827260851
1141.86331
2002
0.641885732503202
0.886782201104292
1.13167866970538
1144.7385
2003
0.161696135242285
0.311201121394395
0.460706107546505
1366.24049
2819.24049
2281
2004
0.682656731877745
1.01002719510429
1.33739765833082
1437.549852
2109.549852
1453
2005
0.419893086851044
0.764503250655311
1.10911341445958
1596.82738
3492.82738
672
2006
0.457373608666262
0.699231892798814
0.941090176931367
1598.06685
2969.06685
1896
2007
1.03058932382257
1.32845147427688
1.6263136247312
1691.41368
2632.41368
1371
2008
1.485127486878
2.39145390999434
3.29778033311069
1862.63345
3908.63345
941
2009
1.07155327319089
1.71763000858422
2.36370674397755
1585.69596
2908.69596
2046
2010
0.659240415078135
1.33998746437629
2.02073451367444
1415.25613
6532.25613
1323
2011
1.35701031380261
1.91745015759362
2.47789000138462
1330.37236
7857.37236
5117
2012
0.849968980988164
1.13338768086407
1.41680638073998
1417.99568
5137.99568
6527
2013
0.749989487857217
1.03123698464864
1.31248448144006
959.65882
8163.65882
3720
2014
0.746808143418039
0.977385690001833
1.20796323658563
837.99941
9987.99941
7204
2015
0.830683243474206
1.24218755045327
1.65369185743233
891.40961
10101.40961
9150
2016
0.572025979350076
1.476697449172
2.38136891899392
976
7078
9210
2017
0
1195.00835
7297.00835
6102
2018
0.69780978156859
1.02427130568708
1.35073282980557
1092
8148
7056
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data