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Location Poland, lubelskie
Central coordinates 22o 49.00' East  51o 36.00' North
IBA criteria C1, C4, C6
Area 6,377 ha
Altitude 132 - 165m
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków



Site description The site contains the Tyœmienica river valley (right-bank tributary of the Wieprz river) and is covered by wet meadows with some remnant sedge-beds and scrub of willow Salix and alder Alnus that are used for agriculture. There are eleven small pond complexes, a few hundred peat pits, oxbow lakes, and the large Siemieñ pond complex (790 ha). In that complex 20% of large ponds and 40-50% of small ones are overgrown with reed Phragmites and reed-mace Typha. The site is surrounded by agricultural land.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ferruginous Duck Aythya nyroca breeding  2009  3-6 breeding pairs  good  C6  Near Threatened 
Ixobrychus minutus breeding  2004-2009  10-15 breeding pairs  medium  C6  Not Recognised 
Corncrake Crex crex breeding  2004-2009  200-300 males only  poor  C1, C6  Least Concern 
Little Crake Zapornia parva breeding  2009  30-50 males only  poor  C6  Least Concern 
Black Tern Chlidonias niger breeding  2004-2009  60-100 breeding pairs  poor  C6  Least Concern 
Short-eared Owl Asio flammeus breeding  2004-2009  1-2 breeding pairs  poor  C6  Least Concern 
A4iii Species group - waterbirds passage  2004-2009  20,000 individuals  good  C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dolina Tysmienicy - PLB060004 Birds Directive 7,364 protected area overlaps with site 5,938  
Lasy Parczewskie - PLB060006 Birds Directive 14,024 protected area is adjacent to site 0  
Ostoja Parczewska - PLH060107 Habitats Directive 3,592 protected area overlaps with site 190  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Mixed woodland; Native coniferous woodland  3%
Grassland Humid grasslands; Mesophile grasslands  76%
Wetlands (inland) Fens, transition mires and springs; Standing freshwater; Water fringe vegetation  15%
Artificial - terrestrial Arable land; Highly improved re-seeded landscapes  6%

Land use

Land-use Extent (% of site)
agriculture 85%
fisheries/aquaculture 10%
forestry 5%
hunting -

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Tysmienica river valley. Downloaded from http://www.birdlife.org on 02/09/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife