Untere Lobau. 16/12/82; Wien; 915 ha; 48°10'N 016°30'E. Biosphere Reserve; Nature Reserve, Protected Landscape Area. A complex of former alluvial floodplain habitats, riverine forest, meadows, oxbow lakes, sand and gravel ridges and reedbeds. The site supports a diverse flora and fauna, including the recently reintroduced European beaver and many orchids. Human activities include small-scale fishing, timber production and recreation. Flood embankments erected in the nineteenth century are now used as a groundwater protection area for Vienna's domestic supply. Ramsar site no. 273. Most recent RIS information: 2006.