Editorial Board

Editor-in-Chief: Petre Gastescu, Hyperion University of Bucharest (Romania)
Managing Editor: Petre Bretcan, Valahia University of Targoviste (Romania)
Volume 10(1) / 2016
ISSN: 1844-6477 (print version)
ISSN: 2284-5305 (electronic version)

 

 

  

 

MOBILE PLATFORM FOR FISH MIGRATION UPSTREAM FROM THE DISCHARGE SILL SITUATED NEAR DACIA BRIDGE ON CRIȘUL REPEDE RIVER

 

Răzvan VOICU1, Larry GREENBERG2

1National Institute of Hydrology and Water Management, Sos. Bucuresti-Ploiesti 97, Bucuresti, cod 013686, Romania, Tel.: +40-21-3181115, Fax.: +40-21-3181116, Email: getiiliberi@gmail.com
2Division for Environmental Sciences, Karlstad University, S-651 88, Karlstad, Sweden, Tel.: + 46 54 700 15 43, Fax.: + 46 54 700 14 62, Email: Larry.Greenberg@kau.se

Abstract

Longitudinal connectivity represent the way in which organisms move the energy and material exchanges located throughout the water. Fragmentation the longitudinal connectivity of watercourses caused by dams or other hydrotechnical constructions represent a major impact on sediment transport, hydrological regime, downstream moving and biota migration. The hydromorphological elements (river continuity), as well as chemical, biological, physicochemical elements characterize the ecological status of rivers. Migratory fish species: nase (Chondrostoma nasus - protected by Bern Convention - Appendix III), barbel (Barbus barbus - rare species, protected Habitats Directive (Annex V), annex 4A of Low nr.462 and Red List of RBDD) and Freshwater bream (Abramis brama) - protected by Bern Convention (Appendix III) are blocked by the hydrotechnical constructions (discharge sills, dams) located across the watercourse Crișul Repede River. One of the important think of this system is the gravitational fall of water. This solution will lead to the restoration of the longitudinal connection of the Crișul Repede River in the Oradea City, near Dacia Bridge. Romania is part of the European Union and it has the obligation to implement the provisions of the Water Framework Directive 2000/60/EC, transposed into Romanian legislation by the Water Law 107/1996 as supplemented and amended (Act 310/2004).

Keywords: ecosystem functionality, wetlands, Crisul Repede River, lateral connectivity

  
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