Dösener See

The Dösen Lake (also Dösnersee ) is an approximately 13 -acre lake in the national park Hohe Tauern in the Austrian province of Carinthia. It lies at an altitude of 2270 m above sea level. A. in the municipality of Mallnitz.

Geography

The Dösen lake marks the end of Mallnitz beginning, about 7 kilometer Dösentals. It is located about 9 km away from the commune. From the north, south and east it is surrounded by a mountain range with steep slopes. The highest peak is the Säuleck thereof with 3086 m above sea level. A.

The Dösenbach, only the inflow and outflow of the lake, rises about 1 km south-east of the lake. From the western tip of the lake, it flows through the Dösen Valley continues to Mallnitz, where it flows into the Mallnitzbach.

The lake is drawn oblong, at the longest, he is from west to east 700 meters long. At its widest point it is from north to south, 220 meters wide. Its area is about 13 hectares, making it the largest cirque lake in the National Park Hohe Tauern.

Ecology

The lake is at summer's end to a surface temperature of only 7 ° C. The Secchi depth is up to 12 m. Because of the climate and the altitude of the lake it is about three quarters of the year covered with ice and only in the summer without frozen sections.

Flora and Fauna

Until now caught in the lake only chars that normally inhabit the alpine lakes up to 2600 m. Plankton occurs only in small quantities in the lake. Most common forms are the zooplankton rotifers, phytoplankton mainly dinoflagellates and green algae.

Environment

Directly on the western shore of the lake is the built in 1910-11 Arthur -von- Schmid -Haus. It draws its water from the lake Dösen. Nearest settlement is situated at 1953m and uninhabited Dösentalalm, the nearest town is Mallnitz.

To the east of the lake is the active Dösen rock glaciers. In the underground, the temperature throughout the year below 0 ° C. From the parking lot " Dösen Valley " of Blockgletscherweg Dösen Valley via the Dösen lake towards the rock glacier. The University of Graz led by the rock glacier seismic, electromagnetic, and ground penetrating radar measurements. The permafrost thickness is on average 30-40 m.