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Norway lobster (Nephrops norvegicus) in Division 6.a, Functional Unit 12 (West of Scotland, South Minch)
StockCode
nep.fu.12
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17632
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19772398.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 MSY approach 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 should be no more than 5242 tonnes. To ensure that the stock in Functional Unit (FU) 12 is exploited sustainably, management should be implemented at the FU level. ICES notes the existence of a management plan, developed and adopted by one of the relevant management authorities for Subarea 6. ICES considers this plan to be precautionary when 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
MSY approach: FMSY
5242
5207
5103
104
35
11.7
32
Other scenarios
FMSYlower
4165
4138
4056
82
27
9.3
4.7
FMSYupper ***
5242
5207
5103
104
35
11.7
32
F2021
3356
3334
3268
66
22
7.5
-15.6
Symbol
Footnotes
*
By number
**
Advice values for 2023 are relative to the 2022 advice (FMSY advice of 3977 tonnes).
***
FMSY upper = FMSY for this stock.
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