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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 32 (northern North Sea, Norway Deep)
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Species:
Nephrops norvegicus
Stock code:
nep.fu.32
Assessment Component:
Assessment Year:
2024
Purpose:
Advice
Assessment Key:
19269
Stock Key:
169162
Year
Relative exploitable biomass
97.5%
2.5%
Landings
Discards
Relative fishing pressure
97.5%
2.5%
tonnes
tonnes
1993
1.1
1.76
0.69
339
50
0.47
0.87
0.26
1994
1.26
2
0.79
755
111
0.57
0.96
0.35
1995
1.31
2.1
0.84
489
72
0.66
1.08
0.40
1996
1.34
2.1
0.87
952
140
0.74
1.20
0.46
1997
1.36
2.1
0.89
760
112
0.87
1.39
0.55
1998
1.28
1.95
0.84
836
123
0.91
1.44
0.57
1999
1.29
1.96
0.85
1119
164
1.07
1.66
0.69
2000
1.24
1.89
0.82
1085
159
1.25
1.91
0.82
2001
1.15
1.76
0.76
1190
175
1.41
2.1
0.94
2002
1.05
1.61
0.69
1171
172
1.60
2.4
1.08
2003
0.92
1.42
0.6
1090
145
1.74
2.5
1.19
2004
0.8
1.23
0.52
922
200
1.85
2.7
1.29
2005
0.72
1.1
0.47
1089
194
2.1
3.0
1.50
2006
0.61
0.94
0.4
1033
126
2.5
3.4
1.78
2007
0.47
0.72
0.3
755
64
2.6
3.6
1.92
2008
0.34
0.53
0.22
675
0
2.6
3.6
1.94
2009
0.28
0.44
0.18
477
28
2.5
3.4
1.85
2010
0.26
0.41
0.16
407
36
2.3
3.1
1.72
2011
0.24
0.38
0.15
395
0
2.3
3.1
1.65
2012
0.21
0.36
0.13
310
35
2.2
3.1
1.60
2013
0.18
0.31
0.11
191
51
2.1
2.9
1.46
2014
0.16
0.28
0.1
205
4
1.85
2.6
1.30
2015
0.16
0.27
0.09
192
5
1.77
2.5
1.24
2016
0.15
0.25
0.09
178
1
1.75
2.5
1.23
2017
0.14
0.23
0.08
147
1
1.65
2.3
1.16
2018
0.14
0.23
0.09
137
0
1.54
2.2
1.10
2019
0.14
0.23
0.09
192
1
1.65
2.3
1.19
2020
0.14
0.22
0.09
180
1
1.80
2.5
1.30
2021
0.14
0.22
0.09
218
1
1.87
2.6
1.34
2022
0.15
0.24
0.1
250
3
2.0
2.9
1.41
2023
0.16
0.26
0.1
276
0
2.2
3.2
1.44
2024
0.16
0.29
0.09
Average
0.6
0.93
0.38
581
70
1.69
2.4
1.18
Fishing pressure
Stock size
2021
2022
2023
2022
2023
2024
Maximum sustainable yield
F
MSY
Above
MSY B
trigger
Below trigger
Precautionary approach
F
pa
,F
lim
Undefined
B
pa
,B
lim
Undefined
Management plan
F
MGT
Not applicable
B
MGT
Not applicable
