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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
Ferruginous Duck Aythya nyroca	NT	breeding	2010	150-300 breeding pairs	A1, B1i, B2, C1, C2, C6
Ferruginous Duck Aythya nyroca	NT	passage	2010	2,600-6,700 individuals	A1, A4i, B1i, C1, C2
Corncrake Crex crex	LC	breeding	2010	20-80 males	A1, C1
Little Crake Zapornia parva	LC	breeding	2010	10-30 breeding pairs	C6
Black Stork Ciconia nigra	LC	breeding	2010	10-13 breeding pairs	B2, C6
White Stork Ciconia ciconia	LC	breeding	2010	55-75 breeding pairs	C6
Common Little Bittern Ixobrychus minutus	LC	breeding	2010	70-140 breeding pairs	B2, C6
Lesser Spotted Eagle Clanga pomarina	LC	breeding	2010	4-6 breeding pairs	C6
White-tailed Sea-eagle Haliaeetus albicilla	LC	breeding	2010	9-11 breeding pairs	B2, C2, C6
Black Kite Milvus migrans	LC	breeding	2010	6-8 breeding pairs	C6
Middle Spotted Woodpecker Leiopicus medius	LC	resident	2010	500-800 breeding pairs	B3, C2, C6
Collared Flycatcher Ficedula albicollis	LC	breeding	2010	3,000-6,000 breeding pairs	B3, C2, C6
A4iii Species group - waterbirds	n/a	winter	2010	min 20,000 individuals	A4iii, C4

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

Year	Protected Area	Designation	% overlap with IBA
1967	Jastrebarski lugovi	Posebni rezervat	<1
1980	Crna mlaka	Posebni rezervat	2
1993	Crna Mlaka Fishponds	Ramsar Site, Wetland of International Importance	2
1993	Lonjsko Polje Nature Park	Ramsar Site, Wetland of International Importance	100
2007	Pokupski bazen	Other Area	100
2013	Pokupski bazen	Special Protection Area (Birds Directive)	96
2013	Jastrebarski lugovi	Site of Community Importance (Habitats Directive)	10
2013	Ribnjaci Crna Mlaka	Site of Community Importance (Habitats Directive)	2
2013	Kupa	Site of Community Importance (Habitats Directive)	1
2013	Ribnjaci Pisarovina	Site of Community Importance (Habitats Directive)	1
2013	Ribnjaci Draganići	Site of Community Importance (Habitats Directive)	1
2013	Draganićka šuma - Ješevica 1	Site of Community Importance (Habitats Directive)	<1

Habitat1	Habitat detail	% of IBA
Forest	Alluvial and very wet forest	-
Wetlands (inland)	Standing freshwater, Water fringe vegetation	-

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
forestry	-
hunting	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Pokuplje Basin (Croatia). Downloaded from https://datazone.birdlife.org/site/factsheet/pokuplje-basin-iba-croatia on 22/11/2024.