Upper Vistula River Valley

IBA Criteria

Year of most recent IBA criteria assessment: 2010

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
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

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 very high not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Energy production and mining mining and quarrying happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Invasive and other problematic species and genes introduced genetic material happening now whole area/population (>90%) very rapid to severe deterioration very high
Natural system modifications dams & water management/use - dams (size unknown) happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Zbiornik Goczałkowicki - Ujście Wisły i Bajerki Site of Community Importance (Habitats Directive) 1,650 protected area overlaps with site 1,569
Skarpa Wiślicka Rezerwat Przyrody 29 protected area contained by site 0
Rotuz Rezerwat Przyrody 41 protected area contained by site 0
Pierściec Site of Community Importance (Habitats Directive) 1,702 protected area contained by site 1,702
Dolina Górnej Wisły Special Protection Area (Birds Directive) 24,740 protected area contains site 24,490
Cieszyńskie Źródła Tufowe Site of Community Importance (Habitats Directive) 267 protected area overlaps with site 28


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Upper Vistula River Valley. Downloaded from on 22/03/2023.