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The site was identified as important in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Common Eider Somateria mollissima	NT	winter	1994	24,200 individuals	B1i, C3
White-tailed Sea-eagle Haliaeetus albicilla	LC	resident	1996	1 breeding pairs	C6
A4iii Species group - waterbirds	n/a	winter	1994	20,000-49,999 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2000. The most recent assessment (2010) is shown below.

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Tufted Duck Aythya fuligula	3,030	2,300	individuals	76	near favourable
Greater Scaup Aythya marila	40,000	5,200	individuals	13	very unfavourable
Sandwich Tern Thalasseus sandvicensis	280	280	individuals	100	favourable
Western Marsh-harrier Circus aeruginosus	3	2	breeding pairs	67	unfavourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
-	Lillebælt	Game Reserve	1
1977	Lillebælt	Ramsar Site, Wetland of International Importance	100
1983	Lillebælt	Special Protection Area (Birds Directive)	99
1992	Haderslev Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv)	<1
1992	Kolding Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv)	<1
1992	Middelfart Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv)	<1
1998	Lillebælt	Site of Community Importance (Habitats Directive)	99
2009	Lillebælt	Baltic Sea Protected Area (HELCOM)	100

Habitat1	Habitat detail	% of IBA
Marine Neritic		80
Artificial/Terrestrial	Arable land	10
Marine Coastal/Supratidal		5

1. IUCN Habitat classification.

Land use	% of IBA
unknown	90
agriculture	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lillebælt (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/lillebælt-iba-denmark on 23/11/2024.