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Norway lobster (Nephrops norvegicus) in Division 7.a, Functional Unit 15 (Irish Sea, West)
StockCode
nep.fu.15
Assessment Year
2020
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13923
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.5866
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, catches in 2021 that correspond to the F ranges in the MAP are between 7965 tonnes and 11691 tonnes, assuming recent discarding rates. The entire range is considered precautionary when applying the ICES advice rule. To ensure that the stock in Functional Unit (FU) 15 is exploited sustainably, management should be implemented at the functional unit level. Note: This advice sheet is abbreviated due to the COVID-19 disruption. The previous advice issued for 2020 is attached as Annex 1.
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**
2021
2021
2021
2021
2021
2021
2021
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
EU MAP ^: FMSY
11691
11513
9919
1595
177
18.2
12.7
F= MAP FMSY lower
7965
7844
6758
1087
121
12.4
12.7
F = MAP FMSY upper***
11691
11513
9919
1595
177
18.2
12.7
Other scenarios
MSY approach
11691
11513
9919
1595
177
18.2
12.7
F2019
9828
9679
8338
1341
149
15.3
-5.3
Symbol
Footnotes
*
By number.
**
Advice basis values for 2021 are relative to the 2020 values (MAP advice of 10377, 7070, and 10377 tonnes, respectively); other option values are relative to FMSY.
***
FMSY upper = FMSY for this stock.
^
EU multiannual plan (MAP) for the Western Waters and adjacent waters (EU, 2019).
^^
Represents the amount that would normally be discarded.
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