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Stock Assessment Graphs
Stock assessment graphs
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Norway lobster (Nephrops norvegicus) in divisions 8.a and 8.b, Functional Units 23-24 (northern and central Bay of Biscay)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.2324
Assessment Year:
2017
Key:
9228
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Harvest Rate
Fishing pressure units
%
Stock size description
Stock Size
Stock size units
individuals
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
7.7
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
F
1987
5397.08421112537
7163.70062259165
1766.61641146628
1988
5874.69065155647
9997.20576453865
4122.51511298218
1989
4835.05880312587
7469.53131165517
2634.47250852929
1990
4971.63026328968
5598.81888631404
627.188623024367
1991
4753.98391309372
5966.61003301074
1212.62611991702
1992
5680.50017152844
7034.23574520154
1353.7355736731
1993
5109.2030465653
6115.78421157137
1006.58116500607
1994
4092.02696525003
4832.65013787502
740.623172624986
1995
4452.40358201023
5158.5351094482
706.131527437969
1996
4118.48940416988
4613.81358238914
495.324178219255
1997
3609.87466824543
4415.04020146493
805.165533219498
1998
3865.01400001255
5317.73861620875
1452.7246161962
1999
3209.32800000003
4357.14581305941
1147.81781305939
2000
3068.8426932481
4523.3860354679
1454.54334221981
2001
3729.5807659581
6267.03619450717
2537.45542854907
2002
3679.09800000069
6299.31711132488
2620.2191113242
2003
3885.62400000003
5862.90649154382
1977.28249154379
2004
3571.35510900003
5502.858278128
1931.50316912797
2005
3991.21201871073
6689.34607548302
2698.13405677229
2006
3446.59300000003
7990.2299143657
4543.63691436567
2007
3176.48174303008
5587.41049216528
2410.9287491352
2008
3030.31470537383
5153.52518548957
2123.21048011574
2009
2986.98080000002
4820.3074139996
1833.32661399957
2010
3397.72800000003
4672.65041457396
1274.92241457393
2011
3559.04520000003
4821.93825436777
1262.89305436774
2012
2519.96351274348
3532.15875432105
1012.19524157757
2013
2379.71718
3900.28340097696
1520.56622097696
2014
2806.858470158
4133.06625572008
1326.20778556208
2015
3568.7094601557
5390.96413686859
1822.25467671289
2016
3527.44803114998
4167.47703541465
4807.50603967931
4090.85157
6622.24267129603
2531.39110129602
7.24588
2017
2719.95030643431
3372.53911448062
4025.12792252694
Custom reference points
Custom fish data column names
CustomName1
landings*0/7discards
Custom fish data
Year
Custom1
1987
6.63371569915177
1988
8.760451230644
1989
6.67918955909638
1990
5.41066229940673
1991
5.60282219703564
1992
6.62811507309961
1993
5.81380986206955
1994
4.61046318608752
1995
4.94669565121681
1996
4.46521632892336
1997
4.17349054149908
1998
4.88192123134989
1999
4.0128004691416
2000
4.08702303280196
2001
5.50579956594245
2002
5.51325137792762
2003
5.26972174408068
2004
4.92340732738961
2005
5.87990585845133
2006
6.627138840056
2007
4.86413186742472
2008
4.51656204145485
2009
4.27030942979973
2010
4.29017369020178
2011
4.44307033805745
2012
3.22850018184778
2013
3.44411353468387
2014
3.73520392005146
2015
4.84428773385472
2016
5.86282534090722
2017
Sensivity data