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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
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17565
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19772413.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 2019–2021, catches in 2023 that correspond to the F ranges in the MAP are between 316 and 363 tonnes. To ensure that the stock in Functional Unit (FU) 17 is exploited sustainably, management should be implemented at the FU level.
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 **
2023
2023
2023
2023
2023
2023
2023
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
EU MAP^: FMSY × Stock abundance 2023 / MSY Btrigger
363
350
312
38
13
5.2
0.83
EU MAP^: FMSY lower × Stock abundance 2023 / MSY Btrigger
316
305
272
33
11
4.5
0.96
Other scenarios
FMSYupper*** × Stock abundance 2023 / MSYBtrigger
363
350
312
38
13
5.2
0.83
FMSY
592
571
509
62
21
8.5
64
FMSY lower
515
497
443
54
18
7.4
43
FMSY upper***
592
571
509
62
21
8.5
64
F2021
589
568
507
61
20
8.5
64
Symbol
Footnotes
*
By number
**
Advice values for 2023 relative to the corresponding 2022 values (MAP advice of 360 and 313 tonnes, respectively); other option values are relative to 360 tonnes.
***
FMSY upper = FMSY for this stock.
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019).
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