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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
2021
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16789
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.7802
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 1978 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**
2022
2022
2022
2022
2022
2022
2022
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach
1978
1910
1703
206
69
6
15.7
Other scenarios
EU MAP: FMSY
1978
1910
1703
206
69
6
15.7
EU MAP: FMSYlower
1945
1878
1675
203
68
5.9
13.7
EU MAP: FMSYupper ***
1978
1910
1703
206
69
6
15.7
F2020
522
504
450
54
18
1.58
-69
Symbol
Footnotes
*
By number.
**
Advice values for 2022 are relative to the 2021 advice (MAP FMSY advice of 1710 tonnes).
***
FMSY upper = FMSY for this stock.
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