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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
Barnacle Goose Branta leucopsis	LC	non-breeding	1994	3,500 individuals	A4i, B1i, C2
Greylag Goose Anser anser	LC	passage	1994	2,000 individuals	B1i, C3

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
Whooper Swan Cygnus cygnus	635	635	individuals	100	favourable
Corncrake Crex crex	4	4	breeding pairs	100	favourable
Common Crane Grus grus	1	1	breeding pairs	100	favourable
Common Crane Grus grus	59	20	individuals	34	very 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
1976	Bøtø Nor	Fredet ved afgørelse, exl. Kirkeomgivelser	9
1977	Waters between Lolland and Falster including Rodsand, Guldborg sound, and Boto Nor	Ramsar Site, Wetland of International Importance	100
1983	Bøtø Nor	Special Protection Area (Birds Directive)	94
1994	Bøtø Nor	Baltic Sea Protected Area (Helcom)	94
1998	Smålandsfarvandet nord for Lolland; Guldborg Sund, Bøtø Nor, Hyllekrog-Rødsand	Site of Community Importance (Habitats Directive)	94
2005	Smålandsfarvandet: North of Lolland, Guldborg Sund, Bøtø Nor and Hyllekrog-Rødsand	Baltic Sea Protected Area (HELCOM)	87

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land, Forestry plantations	95
Grassland	Humid grasslands	5

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	60
forestry	30
nature conservation and research	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bøtø Nor (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/bøtø-nor-iba-denmark on 23/11/2024.