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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
Corncrake Crex crex	LC	breeding	2005-2008	130-150 males	C1
Spotted Crake Porzana porzana	LC	breeding	2005-2008	25-50 males	C6
White Stork Ciconia ciconia	LC	breeding	2005-2008	210-220 breeding pairs	C6
Eurasian Curlew Numenius arquata	NT	breeding	2005-2008	10-14 breeding pairs	C1
Black-tailed Godwit Limosa limosa	NT	breeding	2005-2008	75-125 breeding pairs	C1
Whiskered Tern Chlidonias hybrida	LC	breeding	2005-2008	200 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	2005-2008	120-250 breeding pairs	C2, C6
Middle Spotted Woodpecker Leiopicus medius	LC	breeding	2005-2008	185-220 breeding pairs	C6
Bluethroat Luscinia svecica	LC	breeding	2005-2008	12-25 breeding pairs	C6

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
1959	Czeszewski Las	Rezerwat Przyrody	<1
1959	Dwunastak	Rezerwat Przyrody	<1
1974	Dębno nad Wartą	Rezerwat Przyrody	<1
1986	Goplańsko-Kujawski	Obszar Chronionego Krajobrazu	26
1986	Pyzdrski	Obszar Chronionego Krajobrazu	17
1986	Złotogórski	Obszar Chronionego Krajobrazu	4
1989	Szwajcaria Żerkowska	Obszar Chronionego Krajobrazu	4
1994	Żerkowsko-Czeszewski Park Krajobrazowy	Park Krajobrazowy	10
1995	Nadwarciański Park Krajobrazowy	Park Krajobrazowy	23
1998	Nadwarciański	Obszar Chronionego Krajobrazu	7
2001	Ostoja Nadwarciańska	Site of Community Importance (Habitats Directive)	35
2002	Lasy Żerkowsko-Czeszewskie	Site of Community Importance (Habitats Directive)	10
2004	Dolina Środkowej Warty	Special Protection Area (Birds Directive)	99

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Highly improved re-seeded landscapes, Arable land, Ruderal land	43
Grassland	Steppes and dry calcareous grassland, Humid grasslands, Mesophile grasslands	38
Forest	Native coniferous woodland, Mixed woodland, Alluvial and very wet forest	16
Wetlands (inland)	Standing freshwater, Rivers and streams, Raised bogs, Water fringe vegetation	2
Other		1

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	90
water management	10
hunting	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Middle Warta River Valley (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/middle-warta-river-valley-iba-poland on 23/11/2024.