German Unity Transport Project 8

 Nuremberg – Erfurt – Halle/Leipzig – Berlin

Terrain adaptation - the banks of the Main

The construction of the new line is being used by the Kronach Water Authority in cooperation with DB Projekt Bau as an opportunity to render the affected section of the river Main once again more natural by means of compensatory measures such as the creation of shallow water zones and piling up river sediment into sand banks. Moreover, the banks will be redesigned so that incoming water is optimally distributed into the flood channels when river levels are high. These bank areas will also be expanded, inlets created and riprapping carried out for the purpose of bank stabilization. In addition, water blocks and pile rows will be used to increase surface roughness and thus reduce the runoff velocity and erosion.

All the above measures will promote the integration of the new line into the landscape as well as to some extent its biodiversity. The fish living in the river will benefit from the work carried out on the river banks. On the edge of the water, wet tall forb and thickets can develop alongside areas with sandy soils, sedge and reed beds. These in turn provide habitats to a large number of animal species such as sand beetles, dragonflies, amphibians and birds.

The creation of shallow water areas and sediment banks promotes ecological diversity
The creation of shallow water areas and sediment banks promotes ecological diversity (Photo: DB AG)
The semi-natural bank of the Main, with growing vegetation already visible in the front /> 
    <div class=The semi-natural bank of the Main, with growing vegetation already visible in the front (Photo: DB AG)

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