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Norway lobster (Nephrops norvegicus) in divisions 7.g and 7.h, Functional Units 20 and 21 (Celtic Sea)
StockCode
nep.fu.2021
Assessment Year
2022
Stock Category
1
Purpose
Replaced
Published
Stock Assessment Key
17544
Link to Advice Sheet
NA - The advice link for key 17544 was not found!
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 1803 tonnes. To ensure that the stock in functional units (FUs) 20–21 is exploited sustainably, management should be implemented at the level of the combined FU 20–21. ICES notes the existence of a management plan, developed and adopted by one of the relevant management authorities for Subarea 7. 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
1803
1757
1620
137
46
6
-8.8
Other scenarios
FMSYlower
1773
1728
1593
135
45
5.9
-10.4
FMSYupper ***
1803
1757
1620
137
46
6
-8.8
F2021
611
596
549
47
16
2.04
-69
Symbol
Footnotes
*
By number
**
Advice values for 2023 are relative to the 2022 advice (FMSY advice of 1978 tonnes).
***
FMSY upper = FMSY for this stock.
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