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Herring (Clupea harengus) in subareas 1, 2, 5 and divisions 4.a and 14.a, Norwegian spring-spawning herring (the Northeast Atlantic and Arctic Ocean)
StockCode
her.27.1-24a514a
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
10100
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4568
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 long-term management strategy agreed by the European Union, the Faroe Islands, Iceland, Norway, and Russia is applied, catches in 2019 should be no more than 588 562 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
FW*
SSB
% SSB change**
% Catch change***
% Advice change****
2019
2019
2020
2020
2020
2020
(t)
(ratio)
(t)
(%)
(%)
(%)
ICES Basis Advice
Agreed management plan^
588562
0.14
4016687
4
8
53
Other scenarios
MSY approach: FMSY
654642
0.157
3961605
3
20
70
F = 0
0
0
4510098
17
-100
-100
Fpa
915472
0.227
3744886
-3
68
138
Flim
1138954
0.291
3560149
-8
108
196
SSB (2020) = Blim
2449509
0.771
2500000
-36
348
538
SSB (2020) = Bpa = MSYBtrigger
1597787
0.436
3184000
-18
192
316
F = F2018
529333
0.125
4066116
5
-3
38
Symbol
Footnotes
*
Fw = Fishing mortality weighted by population numbers (ages 5–12+).
**
SSB 2020 relative to SSB 2019 (3 859 000 t).
***
Catch in 2019 relative to estimated catch in 2018 (546 448 t).
****
Advice value 2019 relative to advice value 2018 (384 197 t).
^
According to the harvest control rule in the management plan F(2019) = Fmgt = 0.14, since the SSB is forecast to be above Btrigger on 1 January 2019. For 2019, the interannual variation constraints shall not be applied.
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