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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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16791
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7800
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 2018–2020, catches in 2022 that correspond to the F ranges in the MAP are between 313 and 360 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 **
2022
2022
2022
2022
2022
2022
2022
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
EU MAP^: FMSY × Stock abundance 2022 / MSY Btrigger
360
346
303
42
14
5.2
-29
EU MAP^: FMSY lower × Stock abundance 2022 / MSY Btrigger
313
301
264
37
12
4.5
-29
Other scenarios
FMSYupper*** × Stock abundance 2022 / MSYBtrigger
360
346
303
42
14
5.2
-29
FMSY
587
564
495
69
23
8.5
15.6
FMSY lower
511
491
431
60
20
7.4
0.59
FMSY upper***
587
564
495
69
23
8.5
15.6
F2020
213
205
180
25
8
3.1
-58
Symbol
Footnotes
*
By number.
**
Advice values for 2022 relative to the corresponding 2021 values (MAP advice of 508, 443, and 508 tonnes, respectively); other option values are relative to 508 t.).
***
FMSY upper = FMSY for this stock.
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019).
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