Case study:Rio Mareta restoration at Stanghe (Sterzing-Vipiteno)

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Location: 46° 53' 4.17" N, 11° 23' 2.02" E

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Project overview

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Status	In progress
Project web site
Themes	Flood risk management, Habitat and biodiversity, Hydromorphology
Country	Italy
Main contact forename	Peter
Main contact surname	Hecher
Main contact user ID
Contact organisation	Provincia Autonoma di Bolzano
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 Mareta River drains a catchement area of 212 Km and flows into the Isarco River, near Sterzing (Vipiteno). In the last 150 years, the river was object of various intervention; the two major consist of a flow regulation in 1876 and a large aggregates extraction, to provide material for the construction of the Brennero motorway, in the early 70’s. These activities caused a significant incision and narrowing of the riverbed (from the large original braided river bed – up to 300 m width – to a channel 30-40 m wide). The areas of natural retention, such as flood plains and riparian areas, have almost completely disappeared, making floods more intense in the Vipiteno basin.

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Catchment and subcatchment Select a catchment/subcatchment Site Edit 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 Edit project background Reach length directly affected (m) Project started Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources 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 Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions 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 Supplementary Information Edit Supplementary Information