Herring (Clupea harengus) in subdivisions 20-24, spring spawners (Skagerrak, Kattegat, and western Baltic)

StockCode (Assessment Component)

her.27.20-24

Assessment Year

2026

Stock Category

1.2

Purpose

Advice

Published

Stock Assessment Key

21294

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	Total catch	F2–5	SSB*	SSB*	SSB*	% SSB change **	% SSB change **	Probability of SSB below Blim (%)	Probability of SSB below Blim (%)
	2027	2028	2028	2027	2028	2029	2028	2029	2028	2029
	(t)	(ratio)	(ratio)	(t)	(t)	(t)	(%)	(%)	(%)	(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: zero catch	0	0	0	131500	144486	155597	9.9	7.7	95	88
Other scenarios
F=0.005	1234	1416	0.005	131374	143333	153934	9.1	7.4	96	89
F=0.010	2458	2803	0.01	131240	142488	152377	8.6	6.9	96	90
F=0.020	4876	5496	0.02	130904	140898	149484	7.6	6.1	97	92
F=0.030	7262	8081	0.03	130562	138882	146845	6.4	5.7	97	93
Constant catch 2026–2028**	1912	1901	0.008	131306	142959	153394	8.9	7.3	96	89

Symbol	Footnotes
*	For spring-spawning stocks, the SSB is influenced by fisheries and natural mortality between 01January and spawning time (April).
**	It is assumed that the 2026 catch (as defined in Table 1) is kept constant for 2027–2028, variations in catch are due to stochasticity.