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Test Lüschersee
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The idea of the new Lüschersee
Since spring 2022, the drained Lüschersee has been dammed up again in a test phase (Fig.1).
Description
Reason for the former emptying
The natural mountain lake was drained in 1910 by an artificial tunnel, because at that time a connection between the Lüschersee and the landslides on the Heinzenberg was suspected (Fig. 2).
reactivation
Extensive geological and hydrological investigations have shown that the Lüschersee has only a minor influence on the landslides on the Heinzenberg (Fig.3).
use
Now the reactivation of the Lüschersee is to promote winter and summer tourism. The water of the lake is used in the first winter months for technical snowmaking.
Changes in biodiversity through the lake
On the territory of the former lake, after emptying, new small waters and moor areas have formed on which 9 different love species have been detected. In order to preserve this biodiversity, the loss of small areas worthy of protection is compensated by local replacement measures in Fig. 4 & 5.
Map
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