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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 7 (northern North Sea, Fladen Ground)
StockCode
nep.fu.7
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
13219
Link to Advice Sheet
NA - The advice link for key 13219 was not found!
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
*
Please note: The present advice replaces the advice given in June 2019 for catches in 2020. ICES advises that when the EU multiannual plan (MAP) for the North Sea is applied, catches in 2020 that correspond to the F ranges in the plan are between 12 552 tonnes and 14 263 tonnes. The entire range is considered precautionary when applying the ICES advice rule. To ensure that the stock in Functional Unit (FU) 7 is exploited sustainably, management should be implemented at the functional unit level. The catch in FU 7 has been lower than advised in recent years, and if the difference is transferred to other FUs this could result in non-precautionary exploitation of those FUs.
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
EU MAP ^: FMSY
14263
14143
13783
360
120
7.5
8.2
F = MAP FMSY lower
12552
12446
12129
317
106
6.6
-4.8
F = MAPFMSY upper ***
14263
14143
13783
360
120
7.5
8.2
Other scenarios
MSY approach
14263
14143
13783
360
120
7.5
8.2
F2016–2018
4563
4525
4410
115
38
2.4
-65
F2018
5325
5280
5146
134
45
2.8
-60
F35%SpR
21298
21119
20582
537
179
11.2
62
Fmax
31187
30925
30138
787
262
16.4
137
Symbol
Footnotes
*
Calculated for dead removals.
**
Total catch 2020 relative to the FMSY advice value 2019 (13178t).
***
FMSY upper =FMSY for this stock.
^
EU multiannual plan (MAP) for the North Sea (EU, 2018).
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