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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:
2020
Key:
13960
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
HR
Fishing pressure units
%
Stock size description
A_index
Stock size units
thousands
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 TBiomass
TBiomass
High TBiomass
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
805.165533219499
1998
3865.01400001255
5317.73861620875
1452.7246161962
1999
3209.32800000002
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
4543.63691436568
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
3527448.03114998
4167477.03541465
4807506.03967931
3527448.03114998
4167477.03541465
4807506.03967931
4090.85157
6622.24267129603
2531.39110129602
7.25
2017
2719950.30643431
3372539.11448062
4025127.92252694
2719950.30643431
3372539.11448062
4025127.92252694
3411.75958
5798.63812815451
2386.87854815451
7.23
2018
3171788.84685413
3787768.8675331
4403748.88821207
3171788.84685413
3787768.8675331
4403748.88821207
2124.7288
3695.64102824233
1570.91222824233
4.21
2019
3440686.87758863
4113421.56033837
4786156.2430881
3440686.87758863
4113421.56033837
4786156.2430881
2154.2912
2788.59718603449
634.305986034492
3.07
2020
2569567.23390183
3425061.23608006
4280555.23825829
2569567.23390183
3425061.23608006
4280555.23825829
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
CustomName5
CustomName6
CustomName7
Landings in number
Total discards in number
Removals in number
Mean weight in landings
Mean weight in discards
Discard rate (by number)
Dead discard rate (by number)
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
Custom5
Custom6
Custom7
1987
288.973812
268.24427506183
476.744804543281
0.0186767242809026
0.00658584945031567
48.1399081060456
39.3860595341285
1988
324.497976
686.968925394722
805.376223776305
0.0181039361908269
0.00600102124068196
67.9180825835678
59.7085229958154
1989
244.874645
404.227667222386
527.83401205567
0.0197450364986782
0.00651729884456409
62.274877105028
53.6076419088027
1990
213.779088
78.5463703707947
268.761547259556
0.0232559241869798
0.00798494723643615
26.8694936146013
20.4577104947446
1991
217.338206
151.63377
323.481845
0.021873668696307
0.00799707162802207
41.0962836917458
32.8128581682845
1992
274.286221
174.361984659035
396.339610261324
0.0207101186155773
0.00776393762849357
38.8638542313813
30.7951529701634
1993
240.638225
124.368060931822
327.695867652275
0.0212318846956476
0.00809356644675737
34.0728545576479
26.5665976431091
1994
188.879173
88.2668453470856
250.66596474296
0.0216647865418705
0.00839072892786283
31.8484984462393
24.6490550906334
1995
202.294008
84.7804606453344
261.640330451734
0.0220095672928198
0.00832894185833642
29.5325672970508
22.6824061677609
1996
182.041219
55.2495185825521
220.715882007786
0.0226239388353573
0.00896522161508352
23.2834703728506
17.5223743103462
1997
188.694055257793
104.99385540386
262.189754040495
0.0191308341076969
0.00766869194508974
35.7501455089922
28.03149156292
1998
161.548706992518
150.994839331547
267.2450945246
0.0239247597332461
0.00962102163641752
48.3116164475161
39.5503564696314
1999
135.304060760503
122.720476167869
221.208394078012
0.0237193768018592
0.00935310755712263
47.5615527223817
38.8341200502605
2000
133.382991189139
163.330461229577
247.714314049843
0.0230077513323752
0.00890552399882899
55.0465305493087
46.154507986042
2001
172.818863764692
305.547297081107
386.701971721466
0.0215808661433874
0.00830462403951657
63.8731001667988
55.3095467821484
2002
180.441772394941
329.001632220122
410.742914949026
0.020389391830779
0.00796415231633596
64.5806048796954
56.0694132929027
2003
163.771273978096
201.840642695786
305.059723865146
0.0237259191164363
0.00979625542772347
55.2062538147036
46.3150127119068
2004
154.4054841191
222.101588
309.8765957191
0.0231297167284893
0.00869648518284333
58.9900175712352
50.171943847264
2005
179.757643916301
315.34551196089
400.499502288924
0.0222032951242347
0.00855612004748276
63.6928907072268
55.1166373768369
2006
128.777076836915
487.287829351142
469.878557382714
0.0267640257463278
0.00932433900599539
79.0968328915647
72.5935404343156
2007
117.272629607806
214.787537114331
267.623905587838
0.0270863009864549
0.0112247143457484
64.6833190606876
56.1800619603784
2008
115.274171058807
198.03061729619
253.89560316614
0.0262878897982092
0.0107216273377571
63.2070190615175
54.5978072793266
2009
123.503630944251
174.480182237099
245.63975851022
0.0241853682937332
0.0105073630167826
58.5535772478057
49.7216445361745
2010
138.119665269035
113.529744963928
217.590486743785
0.0245998858553689
0.0112298535945713
45.114250360781
36.5231139761763
2011
108.011428021159
121.602776518947
193.133371584423
0.032950635550368
0.010385396538795
52.9596053356128
44.0741767540959
2012
101.423697346535
117.934583997878
183.97790614505
0.0248459046423195
0.0085826837833742
53.7634518628955
44.8718058207644
2013
114.853460936629
154.913816981624
223.293132823766
0.0207195948697882
0.00981556229524272
57.4249842964894
48.5638185625362
2014
121.593864878305
117.929567493309
204.144562123621
0.0230838823403401
0.0112457614638274
49.2350858225614
40.4373726082045
2015
138.919745389816
156.399647882781
248.399498907763
0.0256890008698311
0.0116512709675576
52.9594911291231
44.0740637559014
2016
161.371029862325
200.973202891919
302.052271886668
0.0253505946729729
0.012595664819341
55.4647168975991
46.5751312332879
2017
143.501837773663
200.599752318975
243.80171393315
0.0237750236020055
0.0118987113421711
58.2966653147317
41.1399389041987
2018
83.463491487735
151.926245434038
159.426614204754
0.0254569843907408
0.0103399661049635
64.5424254348556
47.6477049305322
2019
96.9191433317094
59.1017631005941
126.470024882007
0.0222277160728387
0.0107324376255048
37.8806689770374
23.3659174004807
2020
Sensivity data