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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 7 (northern North Sea, Fladen Ground)
StockCode (Assessment Component)
nep.fu.7
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21159
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202761
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 maximum sustainable yield (MSY) approach is applied, and assuming that discard rates and fishery selection patterns do not change from the average of the years 2022–2024, catches in 2026 should be no more than 11 559 tonnes. To ensure that the stock in Functional Unit (FU) 7 is exploited sustainably, management should be implemented at the FU level. The catch in FU 7 has been lower than advised in recent years, and if the difference is transferred to other FUs, this could result in exploitation of those FUs not being sustainable. 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 (PL + PDD + PSD)
Dead removals (PL + PDD)
Projected landings (PL)
Projected dead discards (PDD)
Projected surviving discards (PSD)
% harvest rate* For PL+ PDD
% advice change**
2026
2026
2026
2026
2026
2026
2026
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY
11559
11526
11426
100
33
7.5
26
Other scenarios
F = MAP^: FMSY lower
10172
10143
10055
88
29
6.6
11.2
F = MAP^: FMSY upper
11559
11526
11426
100
33
7.5
26
F = F2024
6874
6854
6795
59
20
4.5
-25
F = F2022–2024
6319
6301
6246
55
18
4.1
-31
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice basis values for 2026 relative to the 2025 advice value (FMSY catch advice of 9149 tonnes).
^
EU multiannual plan (MAP) for the North Sea (EU, 2018).