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Norway lobster (Nephrops norvegicus) in Division 7.b, Functional Unit 17 (west of Ireland, Aran grounds)
StockCode
nep.fu.17
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13138
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4794
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 2020 that correspond to the F ranges in the MAP are between 696 tonnes and 800 tonnes. The entire range is considered precautionary when applying the ICES advice rule. To ensure that the stock in Functional Unit (FU) 17 is exploited sustainably, management should be implemented at the functional unit 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 WC + DUC + SUC
Dead removals WC + DUC
Wanted catch WC
Dead unwanted catch DUC
Surviving unwanted catch SUC
Harvest rate * % for WC + DUC
% advice change**
2020
2020
2020
2020
2020
2020
2020
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach; F = EU MAP^: FMSY × Stock Abundance 2019 / MSY Btrigger
800
773
694
80
27
7.8
-20
MAP FMSY lower × Stock Abundance 2019 / MSY Btrigger
696
673
604
69
23
6.7
-31
MAP FMSYupper × Stock Abundance 2019 / MSYBtrigger
800
773
694
80
27
7.8
-20
Other scenarios
F = MAP FMSY
877
848
761
87
29
8.5
-12.5
F = MAP FMSY lower
764
738
662
76
25
7.4
-24
F = MAP FMSY upper***
877
848
761
87
29
8.5
-12.5
F2018
557
539
483
55
18
5.4
-44
Symbol
Footnotes
*
By number.
**
Advice value for 2020 relative to the advice value for 2019 (1002 tonnes).
***
FMSY upper = FMSY for this stock.
^
EU multiannual plan (MAP) for Western waters (EU, 2019).
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