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View Advice
Undulate ray (Raja undulata) in divisions 7.d and 7.e (English Channel)
StockCode
rju.27.7de
Assessment Year
2024
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
19173
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019612.v1
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 maximum sustainable yield (MSY) approach is applied, catches in 2025 and 2026 should be no more than 4 821 and 4 637 tonnes, respectively. If the contribution of landings to dead catch does not change from 2023, this implies landings in 2025 and 2026 of no more than 3 784 and 3 639 tonnes, respectively.
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
Fishing mortality F2026/FMSY
Stock size B2027/BMSY *
% B change **
% advice change***
corresponding landings
2025
2025
2026
2026
2026
2025
(t)
(ratio)
(ratio)
(%)
(%)
(t)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted landings distribution under F = FMSY)
4821
0.59
1.77
-4.2
3.1
3784
Other scenarios
FMSY
8029
1
1.69
-8.5
72
6301
F=F2024
1218
0.145
1.86
0.69
-74
956
F=0
0
0
1.89
2.3
-100
0
Landings = 10th percentile of predicted landings distribution under F=FMSY
4279
0.52
1.78
-3.4
-8.5
3358
Landings = 20th percentile of predicted landings distribution under F=FMSY
5279
0.65
1.76
-4.8
13.4
4160
Landings = 35th percentile of predicted landings distribution under F=FMSY
6279
0.82
1.72
-6.6
42
5206
Symbol
Footnotes
*
Percentage change of B2026/BMSY relative to B2025/BMSY. Biomass is at 01 January
**
Advice value for 2025 relative to the advice value for 2024 (4675tonnes).
***
Based on the proportion of total catch that was landed in 2023 (0.785)