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Norway lobster (Nephrops norvegicus) in divisions 7.g and 7.h, Functional Units 20 and 21 (Celtic Sea)
StockCode (Assessment Component)
nep.fu.2021
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21188
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202731
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 3 171 tonnes. To ensure that the stock in functional units (FUs) 20–21 is exploited sustainably, management should be implemented at the level of the combined FUs 20–21. A transfer of advised catch from other FUs to FU 2021 could lead to overexploitation. ICES notes the existence of a management plan, developed and adopted by one of the relevant management authorities for Subarea 7.
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
3171
3096
2872
224
75
6
47
Other scenarios
F= MAP^: FMSYlower
3118
3044
2824
220
73
5.9
45
F= MAP^: FMSYupper
3171
3096
2872
224
75
6
47
F2024
5187
5064
4698
367
122
9.8
141
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice values for 2026 are relative to the 2025 advice (FMSY advice of 2153 tonnes).
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019)
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