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Norway lobster (Nephrops norvegicus) in divisions 7.g and 7.h, Functional Units 20 and 21 (Celtic Sea)
StockCode
nep.fu.2021
Assessment Year
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
19234
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019384.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) approach is applied, and assuming that discard rates and fishery selection patterns do not change from the average of the years 2021–2023, catches in 2025 should be no more than 2153 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. 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**
2025
2025
2025
2025
2025
2025
2025
(t)
(t)
(t)
(t)
(t)
(t)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach
2153
2112
1990
122
41
6
15.4
Other scenarios
F= MAP^: FMSYlower
2117
2077
1957
120
40
5.9
13.5
F= MAP^: FMSYupper
2153
2112
1990
122
41
6
15.4
F2023
1812
1777
1674
103
34
5
-2.8
Symbol
Footnotes
*
By number
**
Advice values for2025are relative to the2024 advice (FMSY advice of 1865 tonnes).
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019)
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