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') at the site:
Species Red List1 Season Year(s) Size IBA criteria
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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.


IBA Protection

Year Protected Area Designation % overlap with IBA
1976 Rheindelta Naturschutzgebiet 54
1982 Rheindelta Ramsar Site, Wetland of International Importance 54
1991 Mehrerauer Seeufer - Bregenzerachmündung Naturschutzgebiet 2
1995 Rheindelta Special Protection Area (Birds Directive) 56
1995 Rheindelta Site of Community Importance (Habitats Directive) 53
1995 Mehrerauer Seeufer - Mündung der Bregenzerach Site of Community Importance (Habitats Directive) 2
1995 Lauteracher Ried Special Protection Area (Birds Directive) 16

Habitats

Habitat1 Habitat detail % of IBA
Wetlands (inland) Standing freshwater, Water fringe vegetation 60
Grassland Humid grasslands, Mesophile grasslands 30
Artificial/Terrestrial Arable land, Forestry plantations 5
Forest Alluvial and very wet forest 5
1. IUCN Habitat classification.

Land use

Land use % of IBA
fisheries/aquaculture 60
agriculture 35
forestry 5


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Delta of the Rhine (Austria). Downloaded from https://datazone.birdlife.org/site/factsheet/delta-of-the-rhine-iba-austria on 22/11/2024.