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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
Common Little Bittern Ixobrychus minutus	LC	breeding	2000-2008	9-17 breeding pairs	C6
Black-crowned Night Heron Nycticorax nycticorax	LC	breeding	2000-2008	137 breeding pairs	C6
Purple Heron Ardea purpurea	LC	breeding	2004-2008	5 breeding pairs	C6
Whiskered Tern Chlidonias hybrida	LC	breeding	2004-2008	145-460 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	2003-2008	25-70 breeding pairs	C6
Common Tern Sterna hirundo	LC	breeding	2000-2008	95-380 breeding pairs	C6
A4iii Species group - waterbirds	n/a	passage	2005-2008	20,000-40,000 individuals	C4

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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2012) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Natural system modifications	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Human intrusions and disturbance	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Energy production and mining	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

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

Year	Protected Area	Designation	% overlap with IBA
1966	Rotuz	Rezerwat Przyrody	<1
1996	Skarpa Wiślicka	Rezerwat Przyrody	<1
2003	Pierściec	Site of Community Importance (Habitats Directive)	7
2003	Cieszyńskie Źródła Tufowe	Site of Community Importance (Habitats Directive)	<1
2007	Dolina Górnej Wisły	Special Protection Area (Birds Directive)	100
2008	Zbiornik Goczałkowicki - Ujście Wisły i Bajerki	Site of Community Importance (Habitats Directive)	6

Habitat1	Habitat detail	% of IBA
Wetlands (inland)		-

1. IUCN Habitat classification.

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