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Stock Assessment Graphs
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Norway lobster (Nephrops norvegicus) in Division 3.a, Functional units 3 and 4 (Skagerrak and Kattegat)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.3-4
Assessment Year:
2021
Key:
15601
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
%
Stock size description
UWTV_index
Stock size units
thousands
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
7.9
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
1960
2871
1961
2118
1962
2188
1963
2275
1964
3112
1965
2424
1966
1595
1967
2036
1968
2408
1969
1657
1970
1584
1971
1606
1972
2478
1973
1829
1974
2215
1975
2950
1976
1863
1977
1518
1978
1830.104
1979
2240.302
1980
2647.608
1981
2720.417
1982
3298.004
1983
3676.231
1984
4710.723
1985
3989.437
1986
3825
1987
4045.7871
1988
3727
1989
3877
1990
4341
1991
4228
9411.4479051741
5183.4479051741
1992
2905
5428.24871854882
2523.24871854882
1993
3212
11704.8125899098
8492.81258990984
1994
2874
9323.85578065818
6449.85578065818
1995
3427
7890.77943866178
4463.77943866178
1996
3980
6127.85498231939
2147.85498231939
1997
4206
7675.39679416669
3469.39679416669
1998
5056.451
7000.185293815
1943.734293815
1999
4949
9057.19111130046
4108.19111130046
2000
4710
10373.5070774877
5663.50707748772
2001
4055.936
7822.70008411549
3766.76408411549
2002
4448.327
8759.60138896708
4311.27438896707
2003
3766.99
5974.7313280448
2207.7413280448
2004
3964.776
6496.54165715914
2531.76565715914
2005
4033.8
7047.60483453688
3013.80483453688
2006
3672.061
6598.11756603643
2926.05656603643
2007
4512
11035.5373126343
6523.53731263426
2008
4859.896
9606.28467894367
4746.38867894367
2009
4846.448
10975.448
6129.49228642422
2010
5123.307
8671.307
3548.08480565371
2011
3542056.01338291
3577000
3611943.98661709
3986
6833
2847.14285714286
3.810452
4.165502
4.520552
2012
2475271.52204727
2526000
2576728.47795273
4429.107
9200.107
4771.18530546811
8.034571449
8.55
9.065428551
2013
2844464.89302766
2914000
2983535.10697234
3760.079
7770.479
4010.4
5.093486009
5.8
6.506513991
2014
3669992.42185881
3761703.456
3853414.49014119
4150.089
6004.19414922795
1854.20514922795
2.096649357
3.03
3.963350643
2015
3769531.71246165
3857284.6267
3945037.54093835
3350.363
4388.526
1038.163
1.156931465
2.05
2.943068535
2016
2813846.16148185
2862850.26073098
2911854.3599801
4889.671
5144.9421
255.572
2.575140987
3.073859685
3.572578383
2017
5035977.57944892
5092938.32286286
5149899.0662768
5210.8204
6234.4624
1023.642
2.057707313
2.513283921
2.96886053
2018
4815698.31133827
4886580.4145359
4957462.51773352
7099.658
8435.23958338599
1335.58158338599
3.014315707
3.581236471
4.148157236
2019
4434031.56954729
4502303
4570573.88215232
7753
9472
1719.24891593491
3.85923
4.405268
4.951306
2020
3737844.536
3796785.99
3855727.445
5914.686
7129
1214
3.38408625
3.855504745
4.326923239
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
CustomName1
CustomName2
CustomName3
CustomName4
CustomName5
CustomName6
UWTV survey
UWTV survey
UWTV survey
FishingPressure
FishingPressure
FishingPressure
Custom fish data
Year
Custom1
Custom2
Custom3
Custom4
Custom5
Custom6
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
3542.05601338291
3577
3611.94398661709
3.810452
4.165502
4.520552
2012
2475.27152204727
2526
2576.72847795273
8.034571449
8.55
9.065428551
2013
2844.46489302766
2914
2983.53510697234
5.093486009
5.8
6.506513991
2014
3669.99242185881
3761.703456
3853.41449014119
2.096649357
3.03
3.963350643
2015
3769.53171246165
3857.2846267
3945.03754093835
1.156931465
2.05
2.943068535
2016
2813.84616148185
2862.85026073098
2911.8543599801
2.575140987
3.073859685
3.572578383
2017
5035.97757944892
5092.93832286286
5149.8990662768
2.057707313
2.513283921
2.96886053
2018
4815.69831133827
4886.5804145359
4957.46251773352
3.014315707
3.581236471
4.148157236
2019
4434.03156954729
4502.303
4570.57388215232
3.85923
4.405268
4.951306
2020
3737.844536
3796.78599
3855.727445
3.38408625
3.855504745
4.326923239
Sensivity data