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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	2006-2009	80-100 males	C1
White Stork Ciconia ciconia	LC	breeding	1995-2003	220 breeding pairs	C6
Lesser Spotted Eagle Clanga pomarina	LC	breeding	2004-2009	45-50 breeding pairs	C6
White-tailed Sea-eagle Haliaeetus albicilla	LC	breeding	2008-2009	6-7 breeding pairs	C6

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 (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Energy production and mining	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%)	slow but significant deterioration	high
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Agricultural expansion and intensification	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Natural system modifications	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Residential and commercial development	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
No known threats	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	No management planning has taken place	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation	% overlap with IBA
1970	Ostoja bobrów na Rzece Pasłęce	Rezerwat Przyrody	21
1985	Wybrzeża Staropruskiego	Obszar Chronionego Krajobrazu	<1
1998	Dolina Pasłęki	Obszar Chronionego Krajobrazu	91
2001	Rzeka Pasłęka	Site of Community Importance (Habitats Directive)	31
2008	Dolina Pasłęki	Special Protection Area (Birds Directive)	93

Habitat1	Habitat detail	% of IBA
Forest		44
Artificial/Terrestrial		39
Grassland		12
Wetlands (inland)		5

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Pasleka river valley (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/pasleka-river-valley-iba-poland on 22/11/2024.