AT055
Delta of the Rhine


IBA Justification

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).


IBA Protection

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

Habitats

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 -
For more information about the IUCN Habitat classification, please click here.

Land use

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.