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Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 8 (central North Sea, Firth of Forth)
StockCode (Assessment Component)
nep.fu.8
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
25940
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.30932243
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 2023–2025, catches in 2027 should be no more than 3 963 tonnes. To ensure that the stock in Functional Unit (FU) 8 is exploited sustainably, management should be implemented at the FU level. 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)
Projected landings (PL)
Dead removals (PL + PDD)
Projected dead discards (PDD)
Projected surviving discards (PSD)
% harvest rate* for PL + PDD
% advice change**
2027
2027
2027
2027
2027
2027
2027
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY
3963
3812
3925
113
38
16.3
24
Other scenarios
F = MAP^: FMSY lower
2576
2479
2552
73
24
10.6
-19.1
F = MAP^: FMSY upper
3963
3812
3925
113
38
16.3
24
F = F2025
2285
2198
2263
65
22
9.4
-28
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice basis values for 2027 relative to the 2026 advice values (FMSY catch advice of 3186 tonnes).
^
EU multiannual plan (MAP) for the North Sea (EU, 2018).
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