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Norway lobster (Nephrops norvegicus) in Division 6.a, Functional Unit 13 (West of Scotland, the Firth of Clyde and Sound of Jura)
StockCode (Assessment Component)
nep.fu.13
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
10264
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4572
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 2015–2017, catches in 2019 should be no more than 6588 tonnes (5990 tonnes for the Firth of Clyde and 598 tonnes for the Sound of Jura). To ensure that Nephrops stocks are exploited sustainably, management of Nephrops in general should be implemented at the functional unit level. In this particular functional unit additional measures should be implemented to ensure that landings taken in each subarea (Firth of Clyde and Sound of Jura) are in line with the advice.
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 **
2019
2019
2019
2019
2019
2019
2019
(t)
(t)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach
5990
5884
5566
318
106
15.1
33.6
Other scenarios
FMSY lower
3928
3858
3649
209
70
9.9
-12.4
FMSY upper***
5990
5884
5566
318
106
15.1
33.6
F2017
6964
6841
6471
370
123
17.6
55.3
Symbol
Footnotes
*
By number.
**
Advice value 2019 relative to the advice value 2018.
***
FMSY upper = FMSY for this stock.
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