Norway lobster (Nephrops norvegicus) in divisions 7.f and 7.g, Functional Unit 22 (Celtic Sea, Bristol Channel)

StockCode

nep.fu.22

Assessment Year

2018

Stock Category

Purpose

Advice

Published

Stock Assessment Key

10205

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 WC + DUC + SUC	Dead removals WC + DUC	Wanted catch WC	Dead unwanted catch DUC	Surviving unwanted catch SUC	Harvest rate * % for WC + DUC	% advice change **
	2019	2019	2019	2019	2019	2019	2019
	(t)	(t)	(t)	(t)	(t)	(%)	(%)
ICES Basis Advice
MSY approach; F = FMSY × (Stock Abundance 2019)/MSY Btrigger	2084	2008	1780	228	76	11.3	-51.8
Other scenarios
FMSY	2355	2269	2011	258	86	12.8	-45.5
FMSY lower	1876	1808	1603	205	68	10.2	-56.6
FMSY lower × (Stock Abundance 2019)/MSYBtrigger	1656	1595	1414	181	60	9	-61.7
FMSY upper	2355	2269	2011	258	86	12.8	-45.5
FMSY upper × (Stock Abundance 2019)/MSYBtrigger	2084	2008	1780	228	76	11.3	-51.8
F2017	2227	2146	1903	244	81	12.1	-48.5

Symbol	Footnotes
*	By number.
**	Advice value 2019 relative to the advice value 2018.