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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 32 (northern North Sea, Norway Deep)
StockCode (Assessment Component)
nep.fu.32
Assessment Year
2026
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
22401
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.30932219
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 MSY approach and precautionary considerations are applied, there should be zero catches in 2027. To ensure the stock in Functional Unit (FU) 32 is exploited sustainably, management should be continued 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* (2027)
Fishing mortality F2027/FMSY
Stock size B2028/BMSY
% probability of B2028 less than Blim**
% B/BMSY change***
% advice change^
2027
2027
2028
2028
2028
2027
(t)
(ratio)
(ratio)
(%)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: F = 0
0
0
0.45
12.3
48.2
-100
Other scenarios
F = F35% catch fractile
160
0.56
0.4
23.1
31.7
200
F = FMSY
278
1
0.36
33.2
18.5
420
F=F2026
406
1.56
0.31
45.9
2.1
670
Symbol
Footnotes
*
Including assumed recreational catches and dead discards.
**
Given that total catch is not exceeding catch advice
***
B/BMSY 2028 relative to B/BMSY 2027 (0.30).
^
Advice value for 2027 relative to the advice value for 2026 (53 tonnes).
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