Case study:RESTORATION OF THE GORIŠKI BREŽIČEK STREAM

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Status	Complete
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Country	Slovenia
Main contact forename	Tanja
Main contact surname	Vasilevska
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Contact organisation	Notranjski regijski park
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This is a parent project encompassing the following projects	No

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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 Sava River Subcatchment River name Goriški Brežiček Area category Area (km2) Maximum altitude category 500 - 1000 m Maximum altitude (m) Dominant geology Organic (i.e. Peat), Calcareous Ecoregion Dinaric Western Balkan Dominant land cover Wetland, Extensive agriculture, Woodland Waterbody ID Site Edit site Name watercourses Goriški Brežiček WFD water body codes WFD (national) typology SI141VT2 VTJ Cerkniško jezero (Cerknica lake) WFD water body name Pre-project morphology Straight Reference morphology Sinuous, Higher groundwater level Desired post project morphology Heavily modified water body National/international site designation EU - Special Area of Conservation Local/regional site designations Ramsar Protected species present Invasive species present Species of interest Dominant hydrology Ephemeral Dominant substrate Silt, Sand, Gravel River corridor land use Wetland, Extensive agriculture Average bankfull channel width category 2 - 5 m Average bankfull channel width (m) Average bankfull channel depth category 0.5 - 2 m Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) 0.160.16 m³/s <br />160 l/s <br /> 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 2007/01/01 Works started Works completed 2009/12/01 Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources Notranjska Regional Park, Municipality of Cerknica, Ministry of Environment and Spatial Planning Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Notranjska Regional Park Stakeholder engagement and communication Works and works supervision TGM Bizjak 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 excavation in the U form, construction of small wooden weir to prevent uncontrolled deepening, coves and bays construction Floodplain / River corridor Creation of a flood expansion area Planform / Channel pattern re-instatement of old course, introducing sinuosity 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