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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 10 (northern North Sea, Noup)
StockCode
nep.fu.10
Assessment Year
2024
Stock Category
4.14
Purpose
Advice
Published
Stock Assessment Key
19268
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019357.v1
Status:
valid
Advice Component
Advice Category
*
FMSYranges
MP
MSY
NoAdv
Other
PA
Advice Type
*
Catches
Effort
FishMort
Landings
NoAd
NoFish
Advice Unit
*
t
ratio
%
AdviceValue
*
Advice Value Lower Range
Advice Value Upper Range
Wanted Catch
Wanted Catch Lower Range
Wanted Catch Upper Range
Advice Sentence
*
ICES advises that when the precautionary approach is applied, and assuming that discard rates and fishery selection patterns do not change from the average of the years 2021–2023, catches in in each of the years 2025 and 2026 should be no more than 24 tonnes. To ensure the stock in Functional Unit (FU) 10 is exploited sustainably, management should be implemented at the FU level. Transfer of advised catch from other FUs to FU 10 could lead to overexploitation. ICES notes the existence of a management plan, developed and adopted by one of the relevant management authorities for Subarea 4.
Advice Released Date
*
Advice Applicable From
*
Advice Applicable Until
*
TAF Link
Management Alignment
Full
Multiple
Other
Partial
MP WebLink
Management Plan Ownership
Link To Evaluation
Inquiries or Comments?
Email:
Message:
Catch scenarios
Basis
Total catch
Projected landings
Projected discards
% harvest rate *
% advice change **
2026
2026
2026
2026
2026
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
(Advice for 2023 and 2024 -20% cap) –20% precautionary approach (PA) buffer ^
24
24
0
2.3
-36
Other scenarios
Recent average landings (2021–2023)
12
12
0
1.15
-68
Average landings (2014–2023)
13
13
0
1.31
-65
Advice for 2023 and 2024 -20% cap
30
30
0
2.9
-20
Advice for 2023 and 2024
37
36
1
3.6
0
Advice for 2023 and 2024 +20% cap
44
43
1
4.3
20
Maximum sustainable yield (MSY) proxy harvest rate
77
76
1
7.5
108
Maximum landings
501
494
7
49
1254
Symbol
Footnotes
*
Calculated for dead removals and applied to total catch.
**
Advice basis values for 2025 and 2026 relative to the advice value for 2023 and 2024 (catch advice of 37tonnes).
^
The average landings (2014–2023) option results in a -68% advice change, therefore, a -20% cap was applied. In addition, the PA buffer was applied.
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