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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 (Clyde)
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
25984
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.30932183
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 2023–2025, catches in 2027 should be no more than 5 980 tonnes (5 075 tonnes for Firth of Clyde and 905 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. 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)
Projected landings (PL)
Dead removals (PL + PDD)
Projected dead discards (PDD)
Projected surviving discards (PSD)
% harvest rate* for PL + PDD
% advice change**
2027
2027
2027
2027
2027
2027
2027
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY
5075
4719
4986
267
89
15.1
-1.42
Other scenarios
F= MAP^: FMSY lower
3327
3094
3269
175
58
9.9
-35
F= MAP^: FMSY upper
5075
4719
4986
267
89
15.1
-1.42
F2025
3260
3031
3203
172
57
9.7
-37
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice basis values for 2027 relative to the 2026 advice values (FMSY advice of 5148 tonnes for the Firth of Clyde, and 932 tonnes for the Sound of Jura).
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019).
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