Norway lobster (Nephrops norvegicus) in Division 8.c, Functional Unit 31 (southern Bay of Biscay and Cantabrian Sea)

StockCode

nep.fu.31

Assessment Year

2023

Stock Category

2.12

Purpose

Advice

Published

Stock Assessment Key

18121

Link to Advice Sheet

Status: valid

Advice Component

Advice Category*

Advice Type*

Advice Unit*

AdviceValue*

Advice Value Lower Range

Advice Value Upper Range

Wanted Catch

Wanted Catch Lower Range

Wanted Catch Upper Range

Advice Sentence*

Advice Released Date*

Advice Applicable From*

Advice Applicable Until*

TAF Link

Management Alignment

MP WebLink

Management Plan Ownership

Link To Evaluation

Inquiries or Comments?

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Catch scenarios

Basis	Total catch	Fishing pressure F2024/FMSY	Biomass B2025/BMSY	% Biomass change^	% TAC change^^^	% advice change^^
	2024	2024	2025	2025	2025	2025
	(t)	(ratio)	(ratio)	(%)	(%)	(%)
ICES Basis Advice
MSY approach: 35th percentile of predicted catch distribution under F = FMSY	12.4	0.6	0.43	4.9	-27	-28
Other scenarios
F = F2022 = Fsq	8	0.39	0.44	7.3	-53	-54
F = FMSY	16.5	0.81	0.43	4.9	-2.9	-4.6
F = 0	0	0	0.46	12.2	-100	-100

Symbol	Footnotes
^	Biomass in 2025 relative to the biomass in 2024.
^^	Advice value for 2024 relative to the advice value for 2023 (17.3 tonnes).
^^^	TAC value for 2023 (17 tonnes) relative to the advice value for 2024.