Oswin site (Poland) - BirdLife IBA factsheet

PL034

Oswin site

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
Little Crake Zapornia parva	LC	breeding	2007-2009	70-90 males	C6
Black Tern Chlidonias niger	LC	breeding	2007-2009	40-45 breeding pairs	C6

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	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
Spotted Crake Porzana porzana	70	100	males	100	favourable
Black Tern Chlidonias niger	45	70	breeding pairs	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
1956	Jezioro Siedmiu Wysp	Rezerwat Przyrody	43
1984	Lake of Seven Islands Nature Reserve (Rezerwat pyzyrody “Jezioro Siedmiu Wysp”)	Ramsar Site, Wetland of International Importance	44
1998	Jeziora Oświn	Obszar Chronionego Krajobrazu	91
2004	Jezioro Oświn i okolice	Special Protection Area (Birds Directive)	100
2009	Ostoja nad Oświnem	Site of Community Importance (Habitats Directive)	72

Habitats

Habitat¹	Habitat detail	% of IBA
Wetlands (inland)	Standing freshwater, Rivers and streams, Raised bogs, Water fringe vegetation, Fens, transition mires and springs	40
Artificial/Terrestrial	Arable land, Ruderal land	30
Forest	Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland	15
Grassland	Humid grasslands, Mesophile grasslands	15

1. IUCN Habitat classification.

Land use

Land use	% of IBA
agriculture	40
nature conservation and research	40
forestry	12
not utilised	10
hunting	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Oswin site (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/oswin-site-iba-poland on 23/11/2024.