Caraş River Gorge Aspects of Salmonids’ Communities Management – Technical Solutions

Voicu Răzvan (), Bănăduc Doru (), Greenberg Larry () and Curtean-Bănăduc Angela ()
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Voicu Răzvan: National Institute of Hydrology and Water management,Bucureşti, Romania
Bănăduc Doru: Lucian Blaga” University of Sibiu, Applied Ecology Research Center,Sibiu, Romania
Greenberg Larry: Karlstad University, Department of Environmental and Life Sciences,Karlstad, Sweden
Curtean-Bănăduc Angela: “Lucian Blaga” University of Sibiu, Faculty of Sciences,Sibiu, Romania

Management of Sustainable Development, 2018, vol. 10, issue 2, 5-12

Abstract: There are many obstacles in rivers that prevent or hinder passage of fish past barriers. Here, we present a specially designed solution for juvenile and adult brown trout so that they may to swim past discharge-regulating weirs in the upper Caraş River in both the upstream and downstream directions. The proposed solution relies on gravity flow and will have current velocities that will not inhibit weak swimmers swimming upstream to pass the weirs. Corrosion-resistant materials and the absence of components that could potentially injure the fish will be used in the construction of these technical solutions. Although testing of the functionality of this solutions for upstream - downstream and downstream - upstream passage of weirs is needed, we believe that if implemented, it should improve connectivity especially for brown trout and consequently conserve within-stream genetic diversity in the Caraş River and where appropriate in alike other Carpathian lotic systems with similar types of weirs.

Keywords: Brown trout; Caraş River; Banat; discharge-regulating weirs; habitats fragmentation; fish passages (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:msudev:v:10:y:2018:i:2:p:5-12:n:1

DOI: 10.2478/msd-2019-0001

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