PL057
Lower Bug 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
Corncrake Crex crex LC breeding 1999 540-700 males C1, C6
Spotted Crake Porzana porzana LC breeding 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: 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)
2009 very high not assessed low
Was the whole site covered? No State assessed by unset
Accuracy of information medium

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 site (response)
Conservation Designation Management Planning 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 monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap 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

Habitats

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 habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
hunting -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Lower Bug river valley. Downloaded from http://www.birdlife.org on 05/08/2020.