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Brill (Scophthalmus rhombus) in Subarea 4 and divisions 3.a and 7.d-e (North Sea, Skagerrak and Kattegat, English Channel)
StockCode
bll.27.3a47de
Assessment Year
2024
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
18850
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019177.v2
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 2025 should be no more than 2970 tonnes. ICES notes the existence of a precautionary management plan, developed and adopted by one of the relevant management authorities for this stock.
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*
Projected landings
Projected discards**
Fishing mortality F2025/FMSY
Stock size B2026/BMSY
% B/BMSY change ***
% TAC change^
% Advice change^^
2025
2025
2025
2025
2026
2026
2025
2025
(t)
(t)
(t)
(ratio)
(ratio)
(%)
(%)
(%)
ICES Basis Advice
MSY approach (35th percentile of predicted catch distribution under F = FMSY)
2970
2823
148
0.92
1.32
-11.6
21
21
Other scenarios
FMSY
3197
3038
159
1
1.29
-14.3
30
30
F=F2024
1304
1240
65
0.37
1.55
4.5
-47
-47
F=0
0
0
0
0
1.71
13.9
-100
-100
Symbol
Footnotes
*
(Projected landings)/(1-average discard rate); average discard rate by weight 2021–2023 = 5.0%.
**
Including below minimum size (BMS) landings. Assuming average discard rate by weight 2021–2023 = 5.0%.
***
B/BMSY 2026 relative to B/BMSY 2025.
^
Total advised catch in 2025 relative to the combined areas TACs in 2024, including projected third-country catches (2456 tonnes).
^^
Advice value for 2025 relative to the advice value for 2024 (2456tonnes).
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