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Norway lobster (Nephrops norvegicus) in Division 7.b, Functional Unit 17 (west of Ireland, Aran grounds)
StockCode
nep.fu.17
Assessment Year
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
19249
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019378.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 EU multiannual plan (MAP) for Western Waters and adjacent waters 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 that correspond to the F ranges in the MAP are between 565 and 649 tonnes. To ensure that the stock in Functional Unit (FU) 17 is exploited sustainably, management should be implemented at the FU level. A transfer of advised catch from other FUs to FU 17 could lead to overexploitation. To ensure that the stock in Functional Unit (FU) 17 is exploited sustainably, management should be implemented at the FU level. A transfer of advised catch from other FUs to FU 17 could lead to overexploitation.
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
2024
(t)
(t)
(t)
(t)
(t)
(t)
(%)
ICES Basis Advice
F = MAP^: FMSY x stock abundance 2025 / MSY Btrigger
649
614
510
104
35
7.1
43
F = MAP^: FMSY lower x stock abundance 2025 / MSY Btrigger
565
535
444
91
30
6.2
43
F = MAP^: FMSY upper x stock abundance 2025 / MSY Btrigger
649
614
510
104
35
7.1
43
Other scenarios
FMSY
777
735
611
125
42
8.5
71
F = MAP^: FMSY lower
676
640
531
108
36
7.4
49
F = MAP^: FMSY upper
777
735
611
125
42
8.5
71
F2023
650
615
511
104
35
7.1
43
Symbol
Footnotes
*
By number.
**
Advice values for 2025 relative to the corresponding 2024 values (MAP advice of 454, 395 and 454 tonnes, respectively); other option values are relative to 454 tonnes
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019).
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