Case study:Revitalisation of branches ’Boros Dráva and Drávakeresztúri’

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Location: 17° 45' 49.68" N, 45° 48' 58.27" 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
Main contact surname
Main contact user ID
Contact organisation	South-Transdanubian Environment Protection and Water Management Directorate (DDKÖVÍZIG)
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects

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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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(affects all case studies in this subcatchment)

Catchment

River basin district	Danube
River basin	Danube

Subcatchment

River name	Drava
Area category	1000 - 10000 km²
Area (km2)
Maximum altitude category	200 - 500 m
Maximum altitude (m)
Dominant geology	Siliceous
Ecoregion	Alps
Dominant land cover	Extensive agriculture, Grassland
Waterbody ID

Other case studies in this subcatchment: Kleblach-Side channel, Revitalisation of branch ’Felsőszentmártoni’ at River Dráva, Water and Life for Drava and Vuka

Site

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Name	Drava-Danube area
WFD water body codes	AEP438
WFD (national) typology	14
WFD water body name
Pre-project morphology	Oxbow detached by boulder weir from main flow
Reference morphology	Sidearm
Desired post project morphology
Heavily modified water body	false
National/international site designation
Local/regional site designations	Area of Special Conservation Interest, Biosphere Reserve
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Artificially regulated, Permanent lentic
Dominant substrate	Silt, Mud, Gravel
River corridor land use	Intensive agriculture, Woodland
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)
Project started	2010/02/01
Works started	2010/05/01
Works completed	2011/08/01
Project completed
Total cost category	100 - 500 k€
Total cost (k€)	300 k€300,000 € <br />
Benefit to cost ratio
Funding sources	Hungary-Croatia IPA Cross-border Co-operation Programme

Cost for project phases

Phase	cost category	cost exact (k€)	Lead organisation	Contact forename	Contact surname
Investigation and design
Stakeholder engagement and communication
Works and works supervision
Post-project management and maintenance	100 - 500 k€	300 k€300,000 € <br />	South-Transdanubian Environment Protection and Water Management Directorate
Monitoring			South-Transdanubian Environment Protection and Water Management Directorate

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Quantity & dynamics of flow, Substrate conditions
Biology
Physico-chemical
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Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
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Non-structural measures
Management interventions
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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
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Biological quality elements

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quality elements

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Physico-chemical quality elements

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quality elements

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Any other monitoring, e.g. social, economic

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

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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Supplementary Information

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