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View Advice
Plaice (Pleuronectes platessa) in Division 7.d (eastern English Channel)
StockCode
ple.27.7d
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17357
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19453628.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 MSY approach is applied, catches in 2023 should be no more than 4738 tonnes. Management of plaice in Divisions 7.d and 7.e under a combined area TAC prevents effective control of the single species exploitation rates and could lead to the overexploitation of either species. ICES advises that management should be implemented at the stock area level. 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
Division 7.d plaice stock Total catch^
Division 7.d plaice stock Projected landings
Division 7.d plaice stock Projected discards*
Division 7.d plaice stock Ftotal (ages 3-6)
Division 7.d plaice stock Fprojected landings (ages 3–6)
Division 7.d plaice stock Fprojected discards (ages 3–6)
Division 7.d plaice stock SSB
Division 7.d plaice stock % SSB change**
Division 7.d plaice stock % advice change$
All plaice in Division 7.d# Total catch
All plaice in Division 7.d# Projected landings
All plaice in Division 7.d# Projected discards*
All plaice in Division 7.d# % change in projected catches^^
All plaice in Division 7.d# % advice change##
2023
2023
2023
2023
2023
2023
2024
2024
2024
2023
2023
2023
2023
2023
(t)
(t)
(t)
(ratio)
(ratio)
(ratio)
(t)
(%)
(%)
(t)
(t)
(t)
(%)
(%)
ICES Basis Advice
MSY approach: FMSY
4738
2204
2534
0.156
0.046
0.11
44175
6.08
-25
5671
2638
3033
4.2
-25
Other scenarios
F = FMSY lower
3493
1627
1866
0.113
0.034
0.079
45820
10
-45
4181
1948
2233
-23
-45
F = FMSY
4738
2204
2534
0.156
0.046
0.11
44175
6.08
-25
5671
2638
3033
4.2
-25
F = FMSY upper
6618
3070
3548
0.22
0.067
0.157
41706
0.15
4
7922
3674
4247
46
4.7
F = 0
0
0
0
0
0
0
50473
23
-100
0
0
0
-100
-100
Fpa
6992
3506
3750
0.23
0.07
0.17
41217
-1.02
9.8
8370
3880
4990
54
10
Flim
10578
4876
5702
0.38
0.27
0.11
36573
-12
66
12661
5836
6826
133
67
SSB (2024) = Blim
18080
8210
9870
0.75
0.22
0.53
27147
-35
184
21642
9827
11814
298
186
SSB (2024) = Bpa
9655
4457
5198
0.34
0.1
0.24
37761
-9.32
52
11555
5335
6222
112
53
SSB (2024) = MSYBtrigger
9655
4457
5198
0.34
0.1
0.24
37761
-9.32
52
11555
5335
6222
112
53
F = F2022
5556
2581
2975
0.185
0.06
0.13
43098
3.5
-13
6651
3090
3561
22
-12
Symbol
Footnotes
*
Including BMS landings, assuming recent discard rate.
**
SSB 2024 relative to SSB 2023.
#
All plaice in Division 7.d, including plaice originating from the North Sea and the western English Channel, according to a ratio calculated over the years 2003–2021: 16.46 % of the plaice landed in Division 7.d is assumed to originate from the North Sea and the western English Channel which is equivalent to an additional 19.70% on top of the landings from the Division 7.d plaice stock. This ratio is therefore added to the predicted values for the Division 7.d plaice stock and applies to total catch, projected landings, and projected discards.
##
Total catch of plaice in division 7d in 2023 relative to the advice value 2022 (7566 tonnes)
^
Differences between total catch and the sum of projected landings and discards result from rounding.
^^
Total catch of plaice in division 7d in 2023 relative to the ICES estimates of catches in 2021 (5442 tonnes)
$
Total catch of plaice stock in 2023 relative to the advice value 2022 (6365 tonnes)