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Norway lobster (Nephrops norvegicus) in Division 7.a, Functional Unit 15 (Irish Sea, West)
Species:
Stock Assessment Graphs
Stock code:
nep.fu.15
Assessment Year:
2020
Key:
13923
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
HR
Fishing pressure units
ratio
Stock size description
UWTV_index
Stock size units
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
3000
F
MSY
18.2
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
Discards
F
1960
392.1941068
0
1961
1779.890605
0
1962
1759
0
1963
2837
0
1964
2477
0
1965
2064
0
1966
2567
0
1967
4013.98
0
1968
3929.36
0
1969
4586.19
0
1970
4942.3
0
1971
4889
0
1972
5731.25
0
1973
5893.95
0
1974
3671.14
0
1975
5073.67
0
1976
5602.99
0
1977
6514.13
0
1978
7295.67
0
1979
8948.1
0
1980
4577.84
0
1981
7248.8
0
1982
9315
0
1983
9448.32
0
1984
7760.019
0
1985
6900.54
0
1986
9978.362
1680.368079
1987
9752.864
1608.117447
1988
8586.382
638.8627357
1989
8146.98
673.2112982
1990
8307.644
276.2858898
1991
9566.384
344.9509864
1992
7547.331
1078.909797
1993
8101.971
1621.66368
1994
7606.313
1185.112758
1995
7796.177859
1723.668105
1996
7247.205526
1201.544954
1997
9971.265683
1329.875982
1998
9127.960944
1559.565995
1999
10780.10251
2912.732726
2000
8369.839632
2292.790303
2001
7437.603593
2111.828918
2002
6792.068127
1731.936326
2003
5214.97526411046
5484.80576870781
5754.63627330516
7051.585207
2658.939327
12.1380042985757
2004
5245.08811571885
5547.35224483544
5849.61637395203
7266.756473
1993.384799
11.0321916451371
2005
5230.75190709462
5673.31593668342
6115.87996627222
6529.511844
1411.992881
8.59977479697383
2006
4993.15332243118
5401.83451445693
5810.51570648268
7534.345735
2285.127643
12.9846049148646
2007
4808.69749573019
5149.86580562097
5491.03411551174
8423.843915
3246.163103
16.4703761608841
2008
4041.12869952088
4288.23388914921
4535.33907877754
10477.53596
1421.318052
21.6179881746837
2009
4363.20043315932
4623.26853477763
4883.33663639594
9198.501208
2934.04548
18.7782030541475
2010
4685.01952651112
4990.17894963947
5295.33837276783
8962.687671
1538.553343
14.6967473726437
2011
4636.0362634757
4870.89115122307
5105.74603897044
10161.54066
2682.862617
19.3529991284483
2012
4768.71601236841
5062.41720917597
5356.11840598352
10528.58367
1871.33162
19.8154384776287
2013
4040.73177033254
4310.224230095
4579.71668985746
8672.45850000001
1590.25921913397
20.1255899687996
2014
4346.12768837898
4592.77825160307
4839.42881482716
8613.4321
1418.06282238363
17.8299683105381
2015
4084.43293531077
4373.29801585395
4662.16309639714
8642.53616335884
2227.98006021365
19.945292783691
2016
4776.80470404035
5075.75661726842
5374.70853049649
7324.08232
1939.01767
15.4262715705779
2017
5041.42627297318
5330.11392706983
5565.85935271702
6149.51914
1222.15214
10.622641509434
2018
4633.75417805381
4865.1514860643
5096.54879407479
5756.436
1230.896
10.010204081632
2019
4404.261
4404.261
4587.371
7589.8265
1159.27229
15.3318181818182
2020
4557.31
4775.455
4993.6
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data