<abstract xmlns="http://www.w3.org/1999/xhtml"><p>We propose a technical solution for fish movement based on the flow of water over a spill threshold. Such barriers are common in the Danube system. The proposed system has a range of operating components which are easily detachable from the spill threshold, are resistant to corrosion and will not harm the fish. In fact, if designed to complement swimming abilities of target fish, it should provide adequate passage for both adults and juveniles. If implemented correctly, the design may offer a solution to help displaced fish recolonize upstream habitats.</p></abstract>

We propose a technical solution for fish movement based on the flow of water over a spill threshold. Such barriers are common in the Danube system. The proposed system has a range of operating components which are easily detachable from the spill threshold, are resistant to corrosion and will not harm the fish. In fact, if designed to complement swimming abilities of target fish, it should provide adequate passage for both adults and juveniles. If implemented correctly, the design may offer a solution to help displaced fish recolonize upstream habitats.

Upper Caraş River (Danube watershed) fish populations fragmentation – technical rehabilitation proposal

National Institute of Hydrology and Water Management

Transylvanian Review of Systematical and Ecological Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

We propose a technical solution for fish movement based on the flow of water over a spill threshold. Such barriers are common in the Danube system. The...

Upper Caraş River (Danube watershed) fish populations fragmentation – technical rehabilitation proposal

Published Online: Nov 01, 2017

Page range: 69 - 86

DOI: https://doi.org/10.1515/trser-2018-0006

Keywords
Site of Community Importance, Caraş Gorge, stream, fish, river continuum rehabilitation

© 2018 Răzvan Voicu et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Upper Caraş River (Danube watershed) fish populations fragmentation – technical rehabilitation proposal

Published Online: Nov 01, 2017

Page range: 69 - 86

DOI: https://doi.org/10.1515/trser-2018-0006

KeywordsSite of Community Importance, Caraş Gorge, stream, fish, river continuum rehabilitation

© 2018 Răzvan Voicu et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Site of Community Importance, Caraş Gorge, stream, fish, river continuum rehabilitation