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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
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18432
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.21908388.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 2020–2022, catches in 2024 that correspond to the F ranges in the MAP are between 395 and 454 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.
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**
2024
2024
2024
2024
2024
2024
2024
(t)
(t)
(t)
(t)
(t)
(t)
(%)
ICES Basis Advice
EU MAP^: FMSY x stock abundance 2024 / MSY Btrigger
454
434
375
59
20
5.9
25
EU MAP^: FMSY lower x stock abundance 2024 / MSY Btrigger
395
378
327
52
17
5.1
25
Other scenarios
FMSY upper*** x stock abundance 2024 / MSY Btrigger
454
434
375
59
20
5.9
25
FMSY
653
625
540
85
28
8.5
80
FMSY lower
569
544
470
74
25
7.4
57
FMSY upper***
653
625
540
85
28
8.5
80
F2022
737
705
609
96
32
9.6
103
Symbol
Footnotes
*
By number.
**
Advice values for 2024 relative to the corresponding 2023 values (MAP advice of 363 and 316 tonnes, respectively); other option values are relative to 363 tonnes.
***
FMSY upper = FMSY for this stock.
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019).
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