Case study:Austria/Slovenia cross-border section - Interreg IIIa Project "Maßnahmen Unteres Murtal" 2003-2008

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Location: 46° 43' 15", 15° 49' 3"
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Project overview

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Status Complete
Project web site http://www.unteresmurtal.steiermark.at/
Themes Environmental flows and water resources, Habitat and biodiversity, Hydromorphology
Country Austria, Slovenia
Main contact forename Jörg
Main contact surname Raderbauer
Main contact user ID User:9984
Contact organisation freiland Environmental Consulting Civil Engineers Ltd.
Contact organisation web site http://www.freiland.at
Partner organisations Office of the Styrian Government - Department 14 Watermanagement, resources and sustainability
Parent multi-site project
This is a parent project
encompassing the following
projects
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Project summary

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In accordance with the division designated for the INTERREG IIIA Project, the Lower Mur Valley habitat encompasses the Austrian border segment of the Mur River between Spielfeld and Sicheldorf (the “Grenzmur”), which forms the border to Slovenia, as well as the alluvial and cultural landscape bordering it to the north, with a total area of approx. 137 km². In western and eastern direction the area extends from Spielfeld all the way to the Austrian-Slovenian state border near Bad Radkersburg. This region encompasses the “Styrian Grenzmur with the Gamlitzbach and Gnasbach streams” European nature reserve, as well as, in part, the “Parts of the South-East Styrian hill country, including Höll and Grabenland streams” European nature reserve.

During the 5-year project (2003-2008), 220,000 m³ of bed load were added along a total stretch of 1,800 m in order to prevent any further depth erosion of the riverbed of the Mur. Furthermore 32 ha of dynamic Mur and alluvial habitat were created as well as a total of 45,000 m tributary streams were reactivated and/or extended. The total value of this four year project was 3.8 million €. 50% of the project was financed by the European Union (Interreg IIIa), whereas national contributions are distributed variably between project applicant and co-financers.

Monitoring surveys and results

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Lessons learnt

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Image gallery


Interreg IIIa Project "Maßnahmen Unteres Murtal" 2003-2008 - project overview
Interreg IIIa Project "Maßnahmen Unteres Murtal" 2003-2008 - Murturm
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Catchment and subcatchment



Site

Name
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category
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

Reach length directly affected (m) 1800
1,800 m
1.8 km
180,000 cm
Project started 2003/01/01
Works started
Works completed
Project completed 2008/12/31
Total cost category 1000 - 5000 k€
Total cost (k€) 3800
3,800 k€
3,800,000 €
Benefit to cost ratio
Funding sources EU Interreg IIIA (50 %)

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
Monitoring



Reasons for river restoration

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


Measures

Structural measures
Bank/bed modifications reactivation and extending of tributary streams, Bed load addition
Floodplain / River corridor Regeneration of alluvial forests
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

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

Biological quality elements

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

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

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


Monitoring documents



Additional documents and videos


Additional links and references

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Supplementary Information

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