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View Advice
Sprat (Sprattus sprattus) in Subarea 4 (North Sea)
StockCode
spr.27.4
Assessment Year
2017
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
8296
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.3257
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, catches in the period from 1 July 2017 to 30 June 2018 should be no more than 170 387 tonnes.
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*
Ftotal
SSB
% SSB change *
% catch change **
2017–2018
2017–2018
2018
2018
2018
(t)
(ratio)
(t)
(%)
(%)
ICES Basis Advice
SSB2018 = MSY Bescapement with Fcap
170387
0.7
330563
-19
-33
Other scenarios
F = 0
0
0
428964
4.9
-100
F = 0.4
103746
0.4
368151
-10
-59
F = 0.8
190785
0.8
319315
-22
-25
F = 1.0
229148
1
298516
-27
-9.3
F = 1.2
264550
1.2
279760
-32
4.7
SSB2018 = Blim
776183
9.5
90000
-78
207
SSB2018 = MSY Bescapement = Bpa
569249
4
142000
-65
125
F = F2016
316367
1.52
253132
-38
25
Symbol
Footnotes
*
SSB in July 2018 relative to SSB in July 2017.
**
Relative to catch taken in 2016 (where 2016 corresponds to July 2016 to June 2017).