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Norway lobster (Nephrops norvegicus) in Division 8.c, Functional Unit 25 (southern Bay of Biscay, northern Galicia)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.25
Assessment Year:
2022
Key:
17391
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
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
1.7
F
pa
Age and Length
Recruitment
0
30
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Low F
F
High F
1975
0.7415
1.2011
1.9457
742.603
0.9606
2.0751
4.4825
1976
0.5762
1.0691
1.9836
578.226
1.0409
2.2448
4.8411
1977
0.5037
1.0321
2.1151
827.638
1.2456
2.7272
5.9713
1978
0.4284
0.9658
2.1771
705.862
1.0721
2.3848
5.3046
1979
0.3535
0.823
1.9159
475
1.0117
2.2474
4.9927
1980
0.3151
0.7616
1.8406
531.583
0.9264
2.0588
4.5753
1981
0.2782
0.6812
1.6682
317.749
0.8714
1.8904
4.1011
1982
0.2664
0.6565
1.6179
431.202
1.0798
2.2531
4.7015
1983
0.2604
0.6552
1.6484
433
1.1985
2.4206
4.8888
1984
0.2506
0.6422
1.6455
515.053
1.2666
2.5589
5.1696
1985
0.241
0.6733
1.8809
476.656
1.1471
2.3572
4.8439
1986
0.2218
0.6265
1.7701
398
1.0894
2.2606
4.6907
1987
0.2106
0.6093
1.763
411.827
1.1742
2.4495
5.1099
1988
0.2005
0.5937
1.7582
445
1.273
2.653
5.529
1989
0.1862
0.5562
1.6612
404.996
1.2067
2.5075
5.2105
1990
0.1693
0.4817
1.3708
335.403
1.2139
2.5592
5.3952
1991
0.166
0.5109
1.5727
453
1.2819
2.8939
6.5329
1992
0.1508
0.5226
1.8106
428
1.0395
2.4978
6.0022
1993
0.1308
0.4767
1.7374
274
0.8734
2.1174
5.1332
1994
0.1173
0.4177
1.4868
245.947
0.9201
2.255
5.5267
1995
0.1066
0.3901
1.4276
274.518
0.9308
2.3787
6.0789
1996
0.0912
0.3554
1.3852
208.517
1.0517
2.6078
6.4662
1997
0.077
0.2887
1.0819
218.966
1.0561
2.4612
5.7356
1998
0.0624
0.2039
0.6662
103.334
0.9961
2.1876
4.8046
1999
0.056
0.1746
0.5449
124.38704
1.0425
2.2289
4.7654
2000
0.0512
0.1543
0.4651
80.72809
1.1697
2.4353
5.0701
2001
0.0497
0.1472
0.4358
146.5632
1.7085
3.5926
7.5542
2002
0.0445
0.1412
0.4482
142.74747
1.656
3.5299
7.524
2003
0.0354
0.1105
0.3447
88.91085
1.5006
3.1324
6.5385
2004
0.0296
0.0875
0.2582
74.58005
1.497
3.0803
6.3382
2005
0.0262
0.0769
0.2257
62.93111
1.6021
3.2603
6.6346
2006
0.0233
0.0659
0.1863
61.94706
1.8766
3.8443
7.8752
2007
0.0202
0.0559
0.1543
66.61018
1.6417
3.4883
7.4119
2008
0.0173
0.0488
0.1377
39.25782
0.9702
2.0902
4.5033
2009
0.0167
0.0475
0.1353
23.4
0.7275
1.5863
3.4592
2010
0.0192
0.059
0.1807
34
0.7537
1.779
4.1992
2011
0.0213
0.0786
0.2898
46.4
0.4204
1.0646
2.6959
2012
0.021
0.0784
0.2934
13
0.2019
0.5182
1.3297
2013
0.0219
0.0789
0.2839
11.1
0.1573
0.4062
1.0488
2014
0.024
0.0906
0.3426
9.8
0.1568
0.4051
1.0467
2015
0.0263
0.1004
0.3831
14
0.1738
0.4434
1.1312
2016
0.028
0.1052
0.3955
13
0.1243
0.3358
0.9075
2017
0.0283
0.1017
0.3654
2
0.0723
0.2295
0.7278
2018
0.0282
0.0915
0.2973
2
0.0543
0.1848
0.6291
2019
0.0283
0.0874
0.27
2
0.046
0.1644
0.5878
2020
0.029
0.0878
0.2661
2
0.0396
0.1534
0.5941
2021
0.0298
0.0891
0.2665
2
0.0333
0.1496
0.6723
2022
0.0314
0.0974
0.3022
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data