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Stock Assessment Graphs
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Norway lobster (Nephrops norvegicus) in Division 9.a, functional units 28 and 29 (Atlantic Iberian waters East, southwestern and southern Portugal)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.2829
Assessment Year:
2025
Key:
21158
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
ratio
Stock size description
B_index
Stock size units
Kilograms per hour
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
Catches
F
1984
461
1.06875433626881
1985
509
1.08722091896957
1986
465
1.07250717338952
1987
509
1.09944532858196
1988
420
1.09784505040752
1989
469
1.03593187249741
1990
524
1.08461880349827
1991
479
1.07854427482276
1992
469
1.08370510647601
1993
377
1.11171001003757
1994
237
1.07844208031698
1995
273
1.0401725829498
1996
132
1.05037162866129
1997
136
1.11660901271963
1998
0.356745399
0.4001589
0.44885553
161
1.07369090292886
1999
0.695841532
0.772479488
0.857558126
211
1.06791768507967
2000
0.407198094
0.451265915
0.500102846
201
1.01996225469089
2001
1.150797757
1.240703606
1.337633332
271
1.00628147191053
2002
2.000868318
2.141115408
2.291192854
359
1.02008265357714
2003
2.941632826
3.1478418
3.368506059
370
1.01863613629473
2004
1.417515917
1.520865277
1.631749712
375
1.05482333023039
2005
1.899888243
2.034534536
2.178723297
391
1.09540077953274
2006
2.03047611
2.174051734
2.327779636
291
1.06327179167919
2007
1.899062034
2.032592758
2.175512567
291
1.08072928648989
2008
2.275572486
2.436862422
2.609584402
223
1.00967602409999
2009
2.512802587
2.692928904
2.885967294
151
1.04230310536433
2010
1.995245202
2.1390597
2.293240146
147
1.0173029464711
2011
1.847545844
1.981066807
2.124237244
150
0.934892763702324
2012
2.434045627
2.6090628
2.796664377
229
1.09393234768587
2013
1.892152671
2.027360664
2.172230247
209
1.04187254385348
2014
1.661894387
1.780936399
1.908505428
193
1.00407538801996
2015
1.787290896
1.913846715
2.049363793
247
1.00805586661015
2016
2.373101345
2.540500582
2.719708209
283
1.03918971909855
2017
2.052651882
2.197605994
2.352796471
275
1.07076746150615
2018
2.799878989
2.996601076
3.207145039
299
1.08222492897184
2019
2.612664281
2.797048845
2.994446052
284
1.05485260389077
2020
2.475002108
2.650310141
2.838035499
247
1.033562659422
2021
2.012230611
2.155541453
2.309058876
207
1.00689378627958
2022
1.796053734
1.925806787
2.064933643
148
0.990471846970817
2023
1.857220531
1.990566566
2.133486674
187
1.02437418426117
2024
1.748336225
1.873103038
2.006773607
193
1.02258610112213
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
Rel FMSY
1
FMSY proxy
1
Itrigger
0.56
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName5
Relative F Males
Relative F Females
Fishing effort
Lmean/LF=M mean
Custom fish data
Year
Custom1
Custom2
Custom3
Custom5
1984
0.935668718305423
1985
0.919776268605802
1986
0.932394696102247
1987
0.909549546487936
1988
0.910875354977277
1989
0.965314444461691
1990
0.921982909363782
1991
0.927175660140922
1992
0.922760254634029
1993
0.899515153206374
1994
0.927263520453576
1995
0.961378925374211
1996
0.952043993490673
1997
0.895568626626419
1998
1.39775656850085
0.538412167215901
396342.6986
0.931366743698911
1999
0.940184031975995
0.362156425264312
266595.1174
0.936401760146332
2000
1.53719191836164
0.592122298577026
435880.4723
0.980428437818086
2001
0.76519753628095
0.294752085693414
216976.5919
0.993757738678622
2002
0.588868759825395
0.226830703091157
166977.4542
0.980312719261799
2003
0.375230334982664
0.144537741704086
106398.9302
0.981704815261595
2004
0.799128999137624
0.307822396264776
226598.0724
0.94802605454468
2005
0.624130161313731
0.240413302538189
176976.0472
0.912907876901977
2006
0.444371074141994
0.171170573237555
126004.2233
0.940493303617822
2007
0.474615911384732
0.182820805283627
134580.3378
0.925301102228759
2008
0.271881820395848
0.104728164721083
77093.80648
0.990416704102074
2009
0.174314254328472
0.0671453939581751
49427.90721
0.959413816243462
2010
0.216203978145862
0.083281205796131
61306.00283
0.98299135323345
2011
0.208449756850404
0.0802943000738869
59107.24443
1.06964139506208
2012
0.285145435064242
0.109837274332627
80854.78815
0.914133311914057
2013
0.344425148351204
0.132671664541934
97663.92507
0.959810301077124
2014
0.362379281245498
0.13958754948209
102754.9328
0.995941153355032
2015
0.426083302108282
0.164126171375233
120818.61
0.992008511753186
2016
0.352875666073998
0.135926781823269
100060.1227
0.962288195910419
2017
0.386220670568783
0.148771190170508
109515.3092
0.933909589102935
2018
0.309513128733627
0.119223646075926
87764.40151
0.92402232958175
2019
0.308254785994195
0.118738935750319
87407.59049
0.947999745473018
2020
0.278185381488949
0.107156279934989
78881.22102
0.967527213646852
2021
0.267240107509261
0.102940189081275
75777.61949
0.99315341263049
2022
0.226699216174117
0.0873239439807205
64281.99383
1.0096198120707
2023
0.281655345811343
0.108492901098563
79865.15131
0.976205780430959
2024
0.312772466838231
0.120479134572376
88688.60741
0.977912763436406
Sensivity data
