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View Advice
Herring (Clupea harengus) in Division 7.a North of 52°30’N (Irish Sea)
StockCode
her.27.nirs
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
9352
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4492
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 2019 should be no more than 6896 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 **
SSB*^
% TAC change ***
% Advice change ^^
2019
2019
2019
2019
2020
2019
2019
(t)
(ratio)
(t)
(%)
(t)
(%)
(%)
ICES Basis Advice
MSY approach: FMSY
6896
0.266
21760
-2.9
22110
-1.71
-1.71
Other scenarios
F = 0
0
0
26736
19.3
32181
-100
-100
Fpa
7358
0.286
21428
-4.4
21508
4.9
4.9
Flim
9791
0.397
19682
-12.2
18485
40
40
SSB (2019) = Blim
25887
1.5
8500
-62
12404
269
269
SSB (2019) = Bpa
20935
1.05
11831
-47
15317
198
198
SSB (2019) = MSYBtrigger
20935
1.05
11831
-47
15317
198
198
Symbol
Footnotes
*
For autumn-spawning stocks, the SSB is determined at spawning time and is influenced by fisheries between 1 January and spawning (set for September).
**
SSB 2019 relative to SSB 2018.
***
Catch 2019 relative to the TAC for 2018 (7016 tonnes).
^
SSB on 1 January 2020
^^
Advice value for 2019 relative to the advice value for 2018 (7016 tonnes).