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Herring (Clupea harengus) in Subdivision 28.1 (Gulf of Riga)
StockCode
her.27.28
Assessment Year
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18625
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019279
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 EU multiannual plan (MAP) for the Baltic Sea is applied, the catches in 2025 that correspond to the F ranges in the plan are between 30 394 tonnes and 45 235 tonnes. According to the MAP, catches higher than those corresponding to FMSY (39 233 tonnes) can be taken only under conditions specified in the plan, whilst the entire range is considered precautionary when applying ICES advice rule. This advice applies to all catches from the stock in subdivisions 28.1 and 28.2.
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
F
SSB
SSB
% SSB change**
% advice change***
Probability SSB < Blim in 2026 (%)^^^
2025
2025
2025
2026
2026
2025
2026
(t)
(ratio)
(t)
(t)
(%)
(%)
(%)
ICES Basis Advice
EU MAP*: FMSY
39233
0.28
133844
128161
-4.2
9.3
0.4
EU MAP*: MAP range Flower
30394
0.21
135620
137695
1.53
9.7
0.2
EU MAP*: MAP range Fupper
45235
0.33
132678
121900
-8.1
9.3
0.7
Other scenarios
F=0
0
0
140655
171863
22
-100
0
F=Fpa
47593
0.35
132193
119479
-9.6
33
0.8
F=Flim
62780
0.49
128805
103729
-19
75
3.3
SSB (2025)=SSB (2026)
32720
0.228
135193
135193
0
-8.9
0.2
SSB (2026)=Blim
118298
1.232
111994
52076
-54
230
50
SSB (2026)=Bpa = MSY Btrigger
94540
0.854
120182
72906
-39
163
23
F=F2024
35529
0.25
134609
131298
-2.5
-1
0.4
Symbol
Footnotes
*
MAP (EU, 2016, 2019, 2020).
**
SSB 2026 relative to SSB 2025.
***
Total catch in 2025 relative to ICES advice for 2024 (35 902 tonnes for the Gulf of Riga herring stock).
^
ICES advice for Flower for 2025 relative to ICES advice for EU MAP range Flower for 2024 (27 696 tonnes).
^^
ICES advice for Fupper for 2025 relative to ICES advice for EU MAP range Fupper for 2024 (41 370tonnes).
^^^
The probability of SSB being below Blim in 2026. This probability relates to the short-term probability of SSB < Blim and is not comparable to the long-term probability of SSB < Blim tested in simulations when estimating fishing mortality reference points.
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