Case study:Restoration of Szárazerdei river branch

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Location: 47° 58' 30.59" N, 17° 17' 56.18" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity
Country	Hungary
Main contact forename	Emil
Main contact surname	Janák
Main contact user ID
Contact organisation	North-Transdanubian Water Management Directorate titkarsag@edukovizig.hu
Contact organisation web site
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 1,5 km long Szárazerdei river branch of the Danube was restored and a 1,5 ha open water surface was created in the special Slovakian-Hungarian Transboundary Danube Wetland area (Szigetköz). Feeding and nesting conditions for targeted bird species were restored.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Catchment

River basin district	Danube River Basin District
River basin	Danube

Subcatchment

River name	Sziget-köz
Area category	more than 10000 km²
Area (km2)	120000 km²12,000,000 ha <br />
Maximum altitude category	100 - 200 m
Maximum altitude (m)
Dominant geology	Calcareous
Ecoregion	Hungarian Lowlands
Dominant land cover	Wetland, Woodland
Waterbody ID

Site

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Name	Dunakiliti
WFD water body codes	AEP443
WFD (national) typology
WFD water body name
Pre-project morphology	Sinuous, Decreased water supply, high macrophyte coverage, Oxbow
Reference morphology	Braided, Sidearm
Desired post project morphology
Heavily modified water body	Yes
National/international site designation	EU - Special Protected Area
Local/regional site designations
Protected species present	No
Invasive species present	No
Species of interest
Dominant hydrology	Permanent lentic
Dominant substrate	Gravel, Silt
River corridor land use	Woodland, Wetland
Average bankfull channel width category	more than 50 m
Average bankfull channel width (m)
Average bankfull channel depth category	5 - 10 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	1500 m1.5 km <br />150,000 cm <br />
Project started	2009/01/01
Works started
Works completed	2011/11/01
Project completed
Total cost category	100 - 500 k€
Total cost (k€)	147 k€147,000 € <br />
Benefit to cost ratio
Funding sources	LIFE+ (LIFE07 NAT/SK/000707)

Cost for project phases

Phase	cost category	cost exact (k€)	Lead organisation	Contact forename	Contact surname
Investigation and design			North-Transdanubian Water Management Directorate titkarsag@edukovizig.hu	Emil	Janák
Stakeholder engagement and communication			North-Transdanubian Water Management Directorate titkarsag@edukovizig.hu	Emil	Janák
Works and works supervision			North-Transdanubian Water Management Directorate titkarsag@edukovizig.hu	Emil	Janák
Post-project management and maintenance
Monitoring

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project

Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions	Ensuring biodiversity
Social measures (incl. engagement)
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Monitoring

Hydromorphological quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative

Biological quality elements

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quality elements

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Physico-chemical quality elements

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Any other monitoring, e.g. social, economic

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Monitoring documents

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Image gallery

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Additional documents and videos

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Additional links and references

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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

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