Maintenance of traditional hay-cutting is subsidized. Ramsar site no. A nutrient-rich freshwater lake supporting reedbeds and submerged vegetation. Important for waterbirds throughout the year, the lake supports various breeding species and is internationally important for staging ducks, geese and waders, including up to 50,000 Anser fabalis . Large numbers of Cygnus olor and Anser anser molt on the lake, and Haliaetus albicilla occurs all year round.
Access is restricted over most of the site but there are areas for fishing and duck hunting.
The surrounding areas are used for agriculture. 29'E. Site of National Importance for Nature Conservation, Nature Reserve. A sub-alpine freshwater lake set in a marshy basin characterized by parallel moraine ridges. The site includes numerous islands, an extensive mire with many small lakes, and a delta virtually unmodified by human activities. Vegetation is dominated by dwarf Betula scrub and a rich shoreline flora.