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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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16859
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7795
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 2018–2020, catches in 2022 should be no more than 3977 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**
2022
2022
2022
2022
2022
2022
2022
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach
3977
3955
3890
65
22
11.7
-33
Other scenarios
FMSY lower
3161
3144
3092
52
17
9.3
-47
FMSY upper***
3977
3955
3890
65
22
11.7
-33
F2020
1020
1014
997
17
6
3
-83
Symbol
Footnotes
*
By number.
**
Advice values for 2022 are relative to the 2021 advice (MAP FMSY advice of 5916 tonnes).
***
FMSY upper = FMSY for this stock.
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