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close| Location | Poland, mazowieckie |
| Central coordinates | 22o 4.00' East 52o 18.00' North |
| IBA criteria | C1, C2, C4, C6 |
| Area | 27,880 ha |
| Altitude | 180 m |
| Year of IBA assessment | 2010 |
Ornithological information A total of 120 species had been recorded breeding by 1980. Breeding species of global conservation concern that do not meet IBA criteria: Gallinago media (one pair).
Site description A 140 km long stretch of the Liwiec river valley. Some stretches have a natural character, along others the river is regulated. In some places the riverbanks are flat, covered by meadows and wet pastures, in other places they are high. There are fens and transitional mires, used as meadows and pastures, as well as riverine forests. On the riverbanks and some higher areas there are also pine Pinus woods. There are two small pond complexes (48 ha, 70 ha).
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Corncrake Crex crex | breeding | 1995-1999 | 150-200 males only | - | C1 | Least Concern |
| Eurasian Golden Plover Pluvialis apricaria | passage | 2007 | 8,000 individuals | good | C2 | Least Concern |
| Black Tern Chlidonias niger | breeding | 2002-2003 | 60-75 breeding pairs | - | C6 | Least Concern |
| A4iii Species group - waterbirds | passage | 2004-2010 | 20,000 individuals | poor | C4 |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Dolina Dolnego Bugu - PLB140001 | Birds Directive | 74,310 | protected area is adjacent to site | 0 | |
| Dolina Kostrzynia - PLB140009 | Birds Directive | 14,376 | protected area is adjacent to site | 0 | |
| Dolina Liwca - PLB140002 | Birds Directive | 27,432 | protected area contained by site | 27,432 | |
| Nadbuzanski Park Krajobrazowy | Landscape Park | 57,768 | protected area overlaps with site | 1,500 |
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| Ostoja Nadbużanska - PLH140011 | Habitats Directive | 46,037 | protected area is adjacent to site | 0 | |
| Ostoja Nadliwiecka - PLH140032 | Habitats Directive | 13,623 | protected area overlaps with site | 12,252 | |
| Siedlecko-Wêgrowski | Protected Landscape Area | 35,840 | protected area overlaps with site | 3,600 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest; Mixed woodland | 14% |
| Other | 2% | |
| Grassland | Humid grasslands | 50% |
| Wetlands (inland) | Fens, transition mires and springs; Rivers and streams; Standing freshwater; Water fringe vegetation | 1% |
| Artificial landscapes (terrestrial) | 33% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 60% |
| fisheries/aquaculture | 5% |
| forestry | 35% |
| hunting | - |
Management considerations In 1992 and 1993 the valley was drained, which caused a significant reduction in bird numbers. A Landscape Park (`Dolina Liwca') is planned, as are some Nature Reserves.
Protection status National Partial International None1,500 ha of IBA covered by Landscape Park (Nadbu¿añski, 53,680 ha). 3,600 ha of IBA covered by Protected Landscape Area (Siedlecko-Wêgrowski, 35,840 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Liwiec river valley. Downloaded from http://www.birdlife.org on 24/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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