Case study:Habitat and water flow restoration on River Rábca

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Location: 47° 26' 2.25" N, 17° 0' 55.40" E

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Project overview

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Status	Complete
Project web site	http://www.edukovizig.hu/projektjeink
Themes	Flood risk management, Habitat and biodiversity, Hydromorphology
Country	Hungary
Main contact forename	István
Main contact surname	Nádor
Main contact user ID
Contact organisation	North-Transdanubian Water Management Directorate
Contact organisation web site	http://www.edukovizig.hu/
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The aims of the two-phase revitalization were to enhance the water supply of the river under Répcelak, to fit hydraulic structures into the landscape, to restore natural hydrologic conditions, to increase the area of fish habitats and spawning grounds, to establish continuous shading and to ensure the stability of the riverbed on a long term basis by planting of native tree species along the river bank and by strengthening the bank with natural materials.

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Danube River Basin District River basin Danube Subcatchment River name River Rábca (Rabnitz) Area category 1000 - 10000 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) Dominant geology Calcareous Ecoregion Alps Dominant land cover Intensive agriculture, Plantation forestry, Woodland Waterbody ID Site Edit site Name Rábca WFD water body codes AEP904 WFD (national) typology 13 WFD water body name Pre-project morphology Single channel, Straight Reference morphology Single channel, Sinuous, Pool-riffle Desired post project morphology Heavily modified water body No National/international site designation EU - Special Area of Conservation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Artificially regulated, Permanent lotic Dominant substrate Gravel River corridor land use Intensive agriculture (arable), Woodland, Plantation forestry Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category 2 - 5 m Average bankfull channel depth (m) Mean discharge category 1 - 10 m³/s Mean annual discharge (m3/s) Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) 18000 m18 km <br />1,800,000 cm <br /> Project started 2010/10/01 Works started 2011/09/01 Works completed 2012/05/01 Project completed Total cost category 100 - 500 k€ Total cost (k€) 241 k€241,000 € <br /> Benefit to cost ratio Funding sources EU Environment and Energy Operational Program Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design 100 - 500 k€ 241 k€241,000 € <br /> SOLVEX LTD. http://www.solvex.hu Tibor Kránitz Stakeholder engagement and communication Hungarian Ornithological and Nature Conservation Society (MME) Works and works supervision Oktaéder Építőipari, Kereskedelmi és Szolgáltató LTD Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Quantity & dynamics of flow, Continuity for organisms, Structure & condition of riparian zones Biology Fish: Species composition, Macrophytes Physico-chemical Nutrient concentrations Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Removal of reed, Removal of small bars, Weir removal Floodplain / River corridor Riparian planting Planform / Channel pattern Other Removal of fallen trees Non-structural measures Management interventions Ensuring biodiversity Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description http://okologia.mta.hu/en Centre for Ecological Research HAS - The institute network of the Hungarian Academy of Sciences is set to produce values for both national and international success in Hungarian and universal science. The Centre's primary aim is to play a fundamental role in promoting the common weal and in building the foundation for the future through valuable scientific achievements based on highly promising discovery research. The Centre consists of three institutes, the Balaton Limnological Institute, the Danube Research Institute and the Institute of Ecology and Botany. http://www.ovf.hu/ General Driectorate of Water Management - General Directorate of Water Management (OVF) is a background institution of the Ministry of Interior. It supports the work of the Minister regarding the flood management. Its main task is the coordination of flood hazard prevention, river control and flood protection activities, and the management of development projects concerning water bodies. OVF has 12 regional directorates which are coordinating the catchment management planning according to the requirements of the EU WFD. They take preventive and protective measures against floods, carry out status assessments and are the leading organizations in the management and implementation of river restoration projects. http://neki.gov.hu/ National Institute for Environment - The National Institute for Environment (NeKI) is a background institution of the Ministry of Rural Development, and assists the Minister in the various duties of water management, environmental protection and nature conservation. NeKI has 12 regional branch offices, and is in charge of the strategies, policies and regulations regarding the management and exploitation of water resources. It performs environmental monitoring, status and impact assessments, administrates the national network for hydrological, hydrographical, hydrogeological and quality measurements of public waters. NeKI also coordinates the planning and the implementation of national and EU projects. http://www.orszagoszoldhatosag.gov.hu/index en.php National Inspectorate for Environment, Nature and Water - The Inspectorate attends to administrational and water management matters, to analyses and consideration of law proposals in its field, and it supervises its 10 regional inspectorates as well. It coordinates international co-operations and takes part in the tasks connected to the EU integration. The regional inspectorates and two sub-offices are the 'green authorities' at first instance. The regional inspectorates are responsible for registration, monitoring, protection, conservation, reconstruction, rehabilitation, authorization and penalty processes regarding environment, nature and water in their assigned territory. http://wwf.hu/en WWF Hungary - WWF Hungary is the Hungarian arm of the WWF Network and was founded in 1991. It's main aims are protecting the biodiversity of Hungary by focusing on freshwaters, forests and priority species. They are also fighting against climate change and they support WWF's conservation work as well. They participated in the development of the Danube Strategy, as well as organized conservation projects on Hungary's two largest rivers, the Tisza and the Danube. http://www.icpdr.org/main/ International Commission for the Protection of the Danube River (ICPDR) - The ICPDR is an International Organisation consisting of 14 cooperating states and the European Union. Since its establishment in 1998, the ICPDR has grown into one of the largest and most active international bodies of river basin management expertise in Europe. The ICPDR deals not only with the Danube itself, but also with the whole Danube River Basin, which includes its tributaries and the ground water resources. Supplementary Information Edit Supplementary Information