Case study:Boosting slivso

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Location: 55° 10' 0.00" N, 9° 29' 0.00" E

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Project overview

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Status	Complete
Project web site
Themes	Land use management - agriculture, Habitat and biodiversity, Monitoring, Water quality
Country	Denmark
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Contact organisation	Forest and Nature Agency
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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 Sonderjyllands Amt River basin Subcatchment River name Slivso Area category 10 - 100 km² Area (km2) 52 km²5,200 ha <br /> Maximum altitude category Less than 100 m Maximum altitude (m) 0 m0 km <br />0 cm <br /> Dominant geology Siliceous Ecoregion Central Plains Dominant land cover Extensive agriculture, Intensive agriculture Waterbody ID Site Edit site Name Slivso WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body true National/international site designation Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Quick run-off, Groundwater Dominant substrate Sand, Gravel River corridor land use Extensive agriculture, Intensive agriculture 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 1999/01/01 Works started 2002/11/01 Works completed 2004/03/01 Project completed Total cost category more than 10000 k€ Total cost (k€) Benefit to cost ratio Funding sources Forest and Nature Agency Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design 1000 - 5000 k€ 1 k€1,000 € <br /> Stakeholder engagement and communication Works and works supervision 5000 - 10000 k€ 18 k€18,000 € <br /> Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Physical alteration of the system Hydromorphology Width & depth variation, Continuity of sediment transport Biology Invertebrates, Macrophytes, Fish: Species composition, Fish: Abundance Physico-chemical Nutrient concentrations Other reasons for the project Nature development Measures Edit Measures Structural measures Bank/bed modifications Creation of dike, Introduction of gravel Floodplain / River corridor Creation of wetland, Creation and flooding of lake 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 Invertebrates Yes Yes Yes Yes Improvement Macrophytes Yes Yes Yes Yes Improvement Fish: Species composition Yes Yes Yes Improvement Fish: Abundance Yes Yes Improvement 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 Nutrient concentrations Yes Yes Improvement 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