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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 at site	IBA criteria triggered
Corncrake Crex crex	LC	breeding	1999	540-700 males	C1, C6
Spotted Crake Porzana porzana	LC	breeding	1996-1999	50 males	C6
White Stork Ciconia ciconia	LC	breeding	1996-1999	240-260 breeding pairs	C6
Little Tern Sternula albifrons	LC	breeding	1999	62-70 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	1998-1999	360-380 breeding pairs	C2, C6
Western Marsh-harrier Circus aeruginosus	LC	breeding	1996-1999	71-85 breeding pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding	1999	23-30 breeding pairs	C6
Common Kingfisher Alcedo atthis	LC	breeding	1999	82 breeding pairs	C6

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

Threats to the site (pressure)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Agricultural expansion and intensification	annual & perennial non-timber crops - small-holder farming	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Agricultural expansion and intensification	marine and freshwater aquaculture - subsistence/artisinal aquaculture	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Biological resource use	hunting & collecting terrestrial animals - intentional use (species being assessed is the target)	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%)	very rapid to severe deterioration	very high
Human intrusions and disturbance	work and other activities	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	invasive non-native/alien species/diseases - unspecified species	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Invasive and other problematic species and genes	problematic native species/diseases - unspecified species	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	whole area/population (>90%)	very rapid to severe deterioration	very high
Natural system modifications	other ecosystem modifications	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
No known threats	no known threats	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Pollution	domestic & urban waste water - type unknown/unrecorded	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Pollution	excess energy - noise pollution	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Residential and commercial development	tourism and recreation areas	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Transportation and service corridors	roads and railroads	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Transportation and service corridors	utility & service lines	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Conservation actions taken at the site (response)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Very little or no conservation action taking place	low

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Wydma Moóo_ewska	Nature Reserve	64	protected area contained by site	64
Wydma Mołożewska	Rezerwat Przyrody	115	protected area contained by site	0
Szwajcaria Podlaska	Rezerwat Przyrody	24	protected area overlaps with site	0
Skarpa Moóo_ewska	Nature Reserve	2	protected area contained by site	2
Skarpa Mołożewska	Rezerwat Przyrody	2	protected area contained by site	0
Puszcza Biała	Special Protection Area (Birds Directive)	83,780	protected area is adjacent to site	0
Przekop	Rezerwat Przyrody	21	protected area contained by site	0
Podlaski Przóom Bugu	Landscape Park	30,904	protected area overlaps with site	15,000
Park Krajobrazowy Podlaski Przełom Bugu	Park Krajobrazowy	30,453	protected area overlaps with site	0
Ostoja Nadliwiecka	Site of Community Importance (Habitats Directive)	13,623	protected area is adjacent to site	0
Ostoja Nadbużańska	Site of Community Importance (Habitats Directive)	46,037	protected area overlaps with site	42,501
Nadbużański Park Krajobrazowy	Park Krajobrazowy	73,670	protected area overlaps with site	33,000
Nadbużański Obszar Chronionego Krajobrazu	Obszar Chronionego Krajobrazu	23,183	protected area overlaps with site	0
Nadbuÿañski Obszar Chronionego Krajobrazu	Protected Landscape Area	55,300	protected area overlaps with site	17,500
Mokry Jegiel	Rezerwat Przyrody	118	protected area overlaps with site	0
Łęg Dębowy koło Janowa Podlaskiego	Rezerwat Przyrody	132	protected area contained by site	0
L/êg Dêbowy	Nature Reserve	133	protected area contained by site	133
Kózki	Rezerwat Przyrody	86	protected area contained by site	0
Kaliniak	Rezerwat Przyrody	53	protected area contained by site	0
Dolina Liwca	Special Protection Area (Birds Directive)	27,432	protected area is adjacent to site	0
Dolina Dolnego Bugu	Special Protection Area (Birds Directive)	74,310	protected area overlaps with site	73,380
Dolina Bugu i Nurca	Obszar Chronionego Krajobrazu	3,728	protected area overlaps with site	0
Dolina Bugu	Obszar Chronionego Krajobrazu	30,153	protected area overlaps with site	0
Dębniak	Rezerwat Przyrody	21	protected area contained by site	0
Bojarski Grąd	Rezerwat Przyrody	8	protected area contained by site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Alluvial and very wet forest	-
Artificial/Terrestrial		-
Grassland	Humid grasslands, Mesophile grasslands	-
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation, Fens, transition mires and springs	-
Other		-

For further information about the IUCN habitat classification, please click here.

Land-use	Extent (% of site)
agriculture	-
hunting	-

For further information about the land-use classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lower Bug river valley. Downloaded from http://datazone.birdlife.org/site/factsheet/951 on 11/06/2023.