Data Zone
The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| Common Little Bittern Ixobrychus minutus | LC | breeding | 1995-2005 | 4-11 breeding pairs | C6 |
| Mediterranean Gull Larus melanocephalus | LC | breeding | 1997-2005 | 1-8 breeding pairs | C6 |
| Common Tern Sterna hirundo | LC | breeding | 2000-2005 | 228-310 breeding pairs | C6 |
| Black Kite Milvus migrans | LC | breeding | 2005 | 8 breeding pairs | C6 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2009).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Rheindelta | Naturschutzgebiet | 2,085 | protected area overlaps with site | 1,960 |
| Rheindelta | Naturschutzgebiet | 2,085 | protected area overlaps with site | 1,972 |
| Rheindelta | Special Protection Area (Birds Directive) | 2,066 | protected area overlaps with site | 2,040 |
| Rheindelta | Site of Community Importance (Habitats Directive) | 2,066 | protected area overlaps with site | 0 |
| Rheindelta | Ramsar Site, Wetland of International Importance | 2,065 | protected area overlaps with site | 1,960 |
| Mehrerauer Seeufer - Mündung der Bregenzerach | Site of Community Importance (Habitats Directive) | 118 | protected area overlaps with site | 0 |
| Mehrerauer Seeufer - Bregenzerachmündung | Naturschutzgebiet | 118 | protected area overlaps with site | 0 |
| Lauteracher Ried | Special Protection Area (Birds Directive) | 580 | protected area contained by site | 580 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest | - |
| Grassland | Humid grasslands, Mesophile grasslands | - |
| Wetlands (inland) | Standing freshwater, Water fringe vegetation | - |
| Artificial/Terrestrial | Arable land, Forestry plantations | - |
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| forestry | - |
| fisheries/aquaculture | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Delta of the Rhine. Downloaded from
http://datazone.birdlife.org/site/factsheet/delta-of-the-rhine-iba-austria on 05/12/2023.
