Western part of Vejlerne, Arup Holm and Hovsør Røn (Denmark)

DK020

Western part of Vejlerne, Arup Holm and Hovsør Røn

Current view: Data table and detailed info

IBA Justification

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
Whooper Swan Cygnus cygnus	LC	non-breeding	1994	548 individuals	B1i, C2
Tundra Swan Cygnus columbianus	LC	non-breeding	1994	402 individuals	A4i, B1i, B2, C2
Eurasian Bittern Botaurus stellaris	LC	breeding	1992	24 breeding pairs	B2, C2, C6
A4iii Species group - waterbirds	n/a	unknown	-	min 20,000 individuals	A4iii, C4

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

IBA Conservation

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.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2010	very unfavourable	not assessed	not assessed
Whole site assessed?	State assessed by	Accuracy of information
yes	population	good

State (condition of the trigger species' populations)
Species	Reference	Actual	Units	% remaining	Result
Red-breasted Merganser Mergus serrator	3,020	3,020	individuals	100	favourable
Eurasian Wigeon Mareca penelope	2,670	2,670	individuals	100	favourable
Corncrake Crex crex	3	3	breeding pairs	100	favourable
Spotted Crake Porzana porzana	75	1	breeding pairs	2	very unfavourable
White Stork Ciconia ciconia	1	0	breeding pairs	0	very unfavourable
Eurasian Bittern Botaurus stellaris	36	18	breeding pairs	50	unfavourable
Great Cormorant Phalacrocorax carbo	2,100	1,121	breeding pairs	54	unfavourable
Great Cormorant Phalacrocorax carbo	1,500	1,500	individuals	100	favourable
Pied Avocet Recurvirostra avosetta	77	9	breeding pairs	12	very unfavourable
Black-tailed Godwit Limosa limosa	41	11	breeding pairs	27	very unfavourable
Ruff Calidris pugnax	32	6	breeding pairs	19	very unfavourable
Dunlin Calidris alpina	33	7	breeding pairs	22	very unfavourable
Black Tern Chlidonias niger	71	0	breeding pairs	0	very unfavourable
Common Tern Sterna hirundo	45	1	breeding pairs	3	very unfavourable
Western Marsh-harrier Circus aeruginosus	12	12	breeding pairs	100	favourable
Circus cyaneus	12	6	individuals	50	unfavourable
Falco peregrinus	3	3	individuals	100	favourable

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

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
1977	Vejlerne and Logstor Bredning	Ramsar Site, Wetland of International Importance	100
1983	Vestlige Vejler; Arup Holm og Hovsør Røn	Special Protection Area (Birds Directive)	98
1998	Løgstør Bredning; Vejlerne og Bulbjerg	Site of Community Importance (Habitats Directive)	100

Habitats

Habitat¹	Habitat detail	% of IBA
Marine Coastal/Supratidal		65
Grassland	Humid grasslands	30

1. IUCN Habitat classification.

Land use

Land use	% of IBA
nature conservation and research	100
agriculture	20

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Western part of Vejlerne, Arup Holm and Hovsør Røn (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/western-part-of-vejlerne-arup-holm-and-hovsør-røn-iba-denmark on 23/11/2024.