Highlight • Structure
Fish pass on the Gera
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Ralf
August 17, 2025
Cycling
The new fish ladder ensures that the Gera River is now passable for fish upstream, making the weir more ecologically permeable and promoting biodiversity.
It is a basin fish ladder: several basins arranged in series with small differences in height, connected by loopholes or channels. This design allows fish to ascend and descend effectively through a controlled flow. Approximately 160 meters of the fish ladder are publicly published.
The previous fish ladder at the same location was considered virtually ineffective in specialist literature; the new fish ladder replaces this deficient structure.
It is a basin fish ladder: several basins arranged in series with small differences in height, connected by loopholes or channels. This design allows fish to ascend and descend effectively through a controlled flow. Approximately 160 meters of the fish ladder are publicly published.
The previous fish ladder at the same location was considered virtually ineffective in specialist literature; the new fish ladder replaces this deficient structure.
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Elevation 250 m
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