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Norway lobster (Nephrops norvegicus) in Division 7.b, Functional Unit 17 (west of Ireland, Aran grounds)
StockCode (Assessment Component)
nep.fu.17
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21193
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202725
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 2022–2024, catches in 2026 that correspond to the F ranges in the MAP are between 251 and 288 tonnes. To ensure that the stock in Functional Unit (FU) 17 is exploited sustainably, management should be implemented at the FU level. The current implementation may not be sustainable. 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**
2026
2026
2026
2026
2026
2026
2026
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
F= MAP^: FMSY × stock abundance 2026/MSY Btrigger
288
274
231
42
14
4.7
-56
F= MAP^: FMSY lower × stock abundance 2026/MSY Btrigger
251
238
201
37
12
4.1
-56
F= MAP^: FMSYupper × stock abundance 2026/MSYBtrigger
288
274
231
42
14
4.7
-56
Other scenarios
F= MAP^: FMSY lower
452
430
363
67
22
7.4
-30
F= MAP^: FMSY upper
519
494
417
76
25
8.5
-20
FMSY
519
494
417
76
25
8.5
-20
F2024
200
190
161
29
10
3.3
-69
Symbol
Footnotes
*
Calculated for dead removals by number.
**
Advice values for 2026 relative to the corresponding 2025 values (MAP advice of 649, 565, and 649 tonnes, respectively); other option values are relative to 649 tonnes.
^
EU multiannual plan (MAP) for the Western Waters (EU, 2019)
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