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Norway lobster (Nephrops norvegicus) in divisions 7.a, 7.g, and 7.j, Functional Unit 19 (Irish Sea, Celtic Sea, eastern part of southwest of Ireland)
StockCode
nep.fu.19
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13225
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4795
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 749 tonnes and 839 tonnes. The entire range is considered precautionary when applying the ICES advice rule.To ensure that the stock in Functional Unit (FU) 19 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
2021
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach; F = EU MAP^: FMSY × Stock Abundance 2019 / MSY Btrigger
839
788
636
152
51
8.4
385
MAP FMSY lower × Stock Abundance 2019 / MSY Btrigger
749
703
568
136
45
7.5
333
MAP FMSYupper × Stock Abundance 2019 / MSYBtrigger
839
788
636
152
51
8.4
385
Other scenarios
F = MAP FMSY
934
878
708
170
57
9.3
440
F = MAP FMSY lower
834
783
632
151
50
8.3
382
F = MAP FMSY upper***
934
878
708
170
57
9.3
440
F2018
621
583
471
113
38
6.2
259
Symbol
Footnotes
*
By number.
**
Advice value for 2020 relative to the advice value for 2019 (173 tonnes).
***
FMSY upper =FMSY for this stock.
^
EU multiannual plan (MAP) for Western waters (EU, 2019).
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