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Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 6 (central North Sea, Farn Deeps)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.6
Assessment Year:
2017
Key:
9227
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Harvest Rate
Fishing pressure units
%
Stock size description
Abundance Index
Stock size units
individuals
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
858
F
MSY
8.12
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
Low F
F
High F
1981
1073
1982
2524
1983
2078
1984
1479
1985
2027
1986
2015
1987
2191
1988
2495
1989
3098
1990
2498
1991
2063
1992
1473
1993
3030
1994
3683
1995
2569
1996
2483
1997
2189
1998
2177
1999
2391
2000
2178
3982.89351248208
1804.89351248208
2001
1618
1685
1752
2574
4967.20231719967
2393.20231719967
21.2858290142489
22.1322091590292
23.0486850636367
2002
936
1048
1160
1954
2749.39398054749
795.393980547489
15.6180026869682
17.2871022107663
19.3556443556444
2003
995
1085
1175
2245
2960.70080471311
715.700804713113
15.0748900561241
16.3253417658487
17.8020058451717
2004
1276
1377
1478
2153
2768.26278174511
615.262781745114
10.7928445903863
11.5844766191655
12.5014297057922
2005
1509
1657
1805
3094
3809.22777458018
715.227774580179
11.0983394118623
12.089621387092
13.2753496609751
2006
1130
1244
1358
4903
5954.14050130974
1051.14050130974
23.1121214904718
25.2301133312385
27.7754521982838
2007
835
858
881
2966
3397.7681081516
431.768108151601
17.9913364375364
18.4736216800345
18.9824759299037
2008
948
987
1026
1219.8825
1386.2657596465
166.383259646504
5.91156319588401
6.14515079936879
6.39795763605168
2009
644
682
720
2713
3174.36225044757
461.362250447572
21.7820496627518
22.9957122539316
24.3526021074244
2010
764
785
806
1442.6686
1643.35352160527
200.684921605269
9.23177235278493
9.47873696349638
9.73927816275478
2011
861
878
895
2070
2316.48179387473
246.481793874729
11.0575391483982
11.2716372868068
11.4941899393918
2012
745
758
771
2460
2804.96154499501
344.961544995006
16.0831520404695
16.3589844633272
16.6444432526201
2013
688
706
724
2982
3431.69528553091
449.69528553091
21.2580232998201
21.8000125624217
22.370361728299
2014
737
755
773
2502.845
2701.26184997744
198.416849977436
12.7248804975581
13.0282551319369
13.3464486087007
2015
552
565
578
1371
1561
190
11.363233788581
11.6246887253094
11.8984585684779
2016
678
697
716
1854
2126
272
12.9750865558996
13.3287833199772
13.7023037964958
2017
881
902
923
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data