Druzno lake (Poland) - BirdLife IBA factsheet

PL030

Druzno lake

Current view: Data table and detailed info

IBA Justification

The site was identified as important in 2010 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
Bean Goose Anser fabalis	LC	passage	2001-2002	3,000-7,000 individuals	C3
Whiskered Tern Chlidonias hybrida	LC	breeding	2008	170 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	2008	70 breeding pairs	C6
A4iii Species group - waterbirds	n/a	passage	2007-2008	10,000-20,000 individuals	C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2010) may differ.

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2011) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2011	near favourable	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
Black-headed Gull Larus ridibundus	3,900	4,000	breeding pairs	100	favourable
Whiskered Tern Chlidonias hybrida	170	240	breeding pairs	100	favourable
Black Tern Chlidonias niger	70	50	breeding pairs	72	near 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
1967	Jezioro Drużno	Rezerwat Przyrody	43
1985	Jeziora Drużno	Obszar Chronionego Krajobrazu	90
2002	Ostoja Drużno	Site of Community Importance (Habitats Directive)	43
2002	Druzno Lake Nature Reserve	Ramsar Site, Wetland of International Importance	-
2004	Jezioro Drużno	Special Protection Area (Birds Directive)	84

Habitats

Habitat¹	Habitat detail	% of IBA
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation, Fens, transition mires and springs	74
Forest	Alluvial and very wet forest	19
Grassland	Humid grasslands	4
Artificial/Terrestrial		3

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	80
fisheries/aquaculture	10
tourism/recreation	10
hunting	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Druzno lake (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/druzno-lake-iba-poland on 22/11/2024.