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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 32 (northern North Sea, Norway Deep)
StockCode
nep.fu.32
Assessment Year
2024
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
19269
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019399.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 maximum sustainable yield (MSY) is applied, and assuming that discard rates and fishery selection patterns do not change from the average of the years 2021–2023, catches in each of the years 2025 and 2026 should be no more than 38 tonnes. To ensure the stock in Functional Unit (FU) 32 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. To ensure the stock in Functional Unit (FU) 32 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*
Fishing mortality F2025/FMSY
Stock size B2026/BMSY
% B/BMSY change**
% advice change***
2025
2025
2026
2026
2025
(t)
(ratio)
(ratio)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (35th percentile of predicted catch distribution under F = FMSY)
38
0.27
0.2
35
-88
Other scenarios
FMSY
129
1
0.18
22
-58
F=F2024
264
2.3
0.13
-12
-13.2
F=0
0
0
0.22
49
-100
Symbol
Footnotes
*
Including recreational catches and dead discards.
**
B/BMSY 2026 relative to B/BMSY 2025.
***
Advice value for 2025 relative to the advice value for 2024 (304 tonnes).
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