Vahrner See
| Vahrner See | ||
|---|---|---|
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| Geographical location | South-Tirol | |
| Drain | none | |
| Location close to the shore | Vahrn | |
| Data | ||
| Coordinates | 46 ° 45 '55.7 " N , 11 ° 38' 4.7" E | |
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| Altitude above sea level | 712 m slm | |
| surface | 1.5 ha | |
| volume | 30,000 m³ | |
| Maximum depth | 3.5 | |
The Vahrner See ( Italian Lago di Varna ) is a small bathing lake in South Tyrol , 2 km northeast of Vahrn . It is (with the exception of the body of water, which is public property) in private ownership, the southern half is registered as a protected biotope . The northern part of the lake is available for swimming, with the southern part of the lake being overgrown with reeds . This reed bed and the surrounding area were designated as a biotope in 1977 and are therefore under nature protection .
topography
The Vahrner See lies at an altitude of 712 m in a furrow in the terrain of the Eisack Valley , through which the Eisack flowed in the interglacial period . It is 1.5 hectares in size and a maximum of 3.5 m deep. It has no above-ground drainage. The lake lies in a sealed hollow. He is only nourished by a small source. The low water exchange, the pollution caused by swimming and nutrient input from the environment caused strong algae and plant growth. This area was saved and upgraded through extensive renovation measures, fresh water supply from the Schalderer valley and the restriction of swimming in the northern part.
habitat
The water cleans itself with the help of the reed. The root network is hidden in the water and mud with four to five times as much plant matter. Excess nutrients are absorbed and the water is enriched with oxygen . Together with the bacteria and protozoa that sit on it, the root space acts as an "organic sewage treatment plant". Even amphibians , such as B. frogs , toads , salamanders and newts can be found here.
history
Originally there were two lakes in the area. Released today by silting Threatened Lake Varna is the rest of the upper of the two Vahrner lakes . This is why the name Obersee appears in older sources . The earliest written document that explicitly refers to the lake is from 1354 and reads "bei See zu Faern". This meant the larger Obersee. The lower lake was converted into meadows in 1825.
Due to the construction of the Franzensfeste fortress , barracks were built in Vahrn in 1840 . The soldiers stationed there needed a shooting range for training . For safety reasons, it should be outside the inhabited area. It was then finally erected on the eastern shore of Lake Vahrner. From there, the soldiers shot across the lake, where the target trenches were 50 to 250 meters away . Shooting took place here in the 1960s before the shooting range had to be closed for safety reasons. The old mechanism that was required to move the target is no longer preserved today.
In 1977 the lake was designated as a biotope. In the summer of 2018, the lake was closed to bathing without exception, as a large number of war relics were found in the water. The lake is awarded (as of June 2020) by the Italian Army (Esercito Italiano).
Recreation area
The area around Lake Vahrn is a popular recreational area and excursion destination. The bathing water quality has been considered "excellent" for several years. There is a restaurant and a campsite near the lake . There are also changing rooms and a bio toilet, but are currently not accessible to bathers. Currently (since summer 2017 and probably until summer 2022) the bathing lake is closed due to the removal of war material from the First World War. By the end of summer 2019, 33,313 Austrian rifle grenades had been removed from the lake. It is believed that there are 170,000 HE shells in the lake.
Web links
- Description of the Vahrner See in the portal of the South Tyrolean provincial administration
- Assessment of the bathing water quality of the Vahrner See in the portal of the South Tyrolean provincial administration
- War material found in Lake Vahrn
Individual evidence
- ^ Albrecht Greule: German water names book. Etymology of the water body names and the associated area, settlement and field names. de Gruyter Mouton, Berlin 2014, ISBN 3-486-77554-5 , p. 559 .
- ↑ https://www.dire.it/18-10-2019/379892-foto-bombe-belliche-anche-nei-laghi-di-montagna-569-ordigni-sul-fondo-del-lago-di-varna /
- ↑ https://www.tageszeitung.it/2018/07/07/das-waffenlager-im-see/