Druzno lake (Poland) IBA | Details | BirdLife International

PL030

Druzno lake

Current view: Data table and detailed info

IBA Justification

The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Bean Goose Anser fabalis	LC	passage (2001–2002)	3,000–7,000 birds	C3
Whiskered Tern Chlidonias hybrida	LC	breeding (2008)	170 pairs	C6
Black Tern Chlidonias niger	LC	breeding (2008)	70 pairs	C6
A4iii Species group - waterbirds	n/a	passage (2007–2008)	10,000–20,000 birds	C4

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	moderate	not assessed	not assessed
Whole site assessed?	State assessed by	Accuracy of information
yes	population	good

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Black-headed Gull Larus ridibundus	4,000 / 3,900 (pairs)	100	good
Whiskered Tern Chlidonias hybrida	240 / 170 (pairs)	100	good
Black Tern Chlidonias niger	50 / 70 (pairs)	72	moderate

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

IBA Protection

Year	Protected Area	Designation (management category)	% coverage of IBA
1967	Jezioro Drużno	Rezerwat Przyrody (IV)	43

Habitats

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

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 24/12/2024.