• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

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
Eurasian Bittern Botaurus stellaris	LC	breeding	1996	10-12 breeding pairs	B2, C6
Western Marsh-harrier Circus aeruginosus	LC	breeding	1996	17 breeding pairs	C6

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 (2018) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Agricultural expansion and intensification	likely in long term (beyond 4 years)	small area/few individuals (<10%)	moderate to rapid deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

Year	Protected Area	Designation	% overlap with IBA
1989	Dättern	Ramsar Site, Wetland of International Importance	100
1996	Dättern	Special Protection Area (Birds Directive)	93
1998	Dättern	Site of Community Importance (Habitats Directive)	89
2002	Dättern I	Naturreservat	36
2006	Dättern etapp 2	Naturreservat	55

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Standing freshwater, Water fringe vegetation, Rivers and streams	98
Grassland	Humid grasslands	2

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Dättern (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-dättern-iba-sweden on 24/11/2024.