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Norway lobster (Nephrops norvegicus) in Division 6.a, Functional Unit 13 (West of Scotland, the Firth of Clyde and Sound of Jura)
StockCode (Assessment Component)
nep.fu.13
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21210
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202713
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 6 080 tonnes (5 148 tonnes for Firth of Clyde and 932 tonnes for Sound of Jura). To ensure that the stock in Functional Unit (FU) 13 is exploited sustainably, management should be implemented at the FU level. In this particular FU, additional measures should be implemented to ensure that landings taken in each component (the Firth of Clyde and the Sound of Jura) are in line with the advice. The implementation of a single TAC for the entire subarea 6 may not be sustainable. ICES notes the existence of a management plan, developed and adopted by one of the relevant management authorities for Subarea 6.
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
932
913
857
56
19
12
32
Other scenarios
F= MAP^: FMSY lower
730
715
671
44
15
9.4
3.5
F= MAP^: FMSY upper
932
913
857
56
19
12
32
F2024
972
952
893
59
20
12.5
38
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice values for 2026 are relative to the 2025 advice (FMSY advice of 4 219 tonnes for the Firth of Clyde, and 705 tonnes for the Sound of Jura).
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019)
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