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Location Poland, dolnoslaskie
Central coordinates 16o 27.00' East  51o 25.00' North
IBA criteria C6
Area 18,150 ha
Altitude 72 - 131m
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków

Site description The site covers a 105-km-long stretch of the Odra valley from G³oska village (near Brzeg Dolny town) to G³ogów town, as well as a 7 km long stretch from the mouth of the Barycz river to the Odra river. The valley is up to 4 km wide, and is bordered by flood embankments. There are broadleaved forests (totalling 5,000 ha) and oxbow lakes. Old-growth forest is common, with trees often over 100 years in age. The oxbow lakes are at different stages of silting up.

Key Biodiversity Over 200 species have been recorded, c.150 as breeding species, with more than 60 breeding in riverine forest. Breeding species of global conservation concern that do not meet IBA criteria: Crex crex (eight pairs). Other notable breeders are Pernis apivorus (12-14 pairs) and Grus grus (30 pairs).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Whooper Swan Cygnus cygnus breeding  2003-2007  9-10 breeding pairs  good  C6  Least Concern 
White-tailed Sea-eagle Haliaeetus albicilla breeding  2003-2007  6-8 breeding pairs  good  C6  Least Concern 
Picus canus breeding  2003-2007  50-60 breeding pairs  medium  C6  Not Recognised 
Middle Spotted Woodpecker Leiopicus medius breeding  2003-2007  300-400 breeding pairs  medium  C6  Least Concern 
Collared Flycatcher Ficedula albicollis breeding  2003-2007  150-200 breeding pairs  medium  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
OChK Dolina Odry Protected Landscape Area 1,627 protected area contained by site 1,270  
Odrzysko Nature Reserve 5 protected area contained by site 5  
S/cinawskie Bagna Ecological Area 21 protected area contained by site 21  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland  30%
Shrubland Scrub  6%
Grassland Humid grasslands; Mesophile grasslands  39%
Wetlands (inland) Fens, transition mires and springs; Rivers and streams; Standing freshwater; Water fringe vegetation  15%
Artificial - terrestrial Arable land; Forestry plantations; Highly improved re-seeded landscapes  10%

Land use

Land-use Extent (% of site)
forestry 35%
water management 6%
agriculture 60%
hunting -

Protection status National Low International None5 ha of IBA covered by Nature Reserve (Odrzysko, 5 ha). 1,270 ha of IBA covered by Protected Landscape Area (Dolina Odry, 1,270 ha). 21 ha of IBA covered by Ecological Area (Œcinawskie Bagna, 21 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Odra riverine forests. Downloaded from on 26/10/2016

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