Case study:Lek Bij Everdingen

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Location: 51° 58' 4.80" N, 5° 10' 26.40" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Monitoring, Water quality
Country	Netherlands
Main contact forename	M
Main contact surname	Greijdanus-Klass
Main contact user ID
Contact organisation	Rijkswaterstaat Waterdienst
Contact organisation web site	http://www.rijkswaterstaat.nl/over ons/adressen en diensten/landelijkediensten/waterdienst/
Partner organisations
Parent multi-site project
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 Rhine River basin Lek Subcatchment River name Lek Area category more than 10000 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) Dominant geology Calcareous Ecoregion Central Plains Dominant land cover Grassland, Urban Waterbody ID Site Edit site Name Lek Everdingen WFD water body codes WFD (national) typology R7 WFD water body name Pre-project morphology Single channel, Straight 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 Tidal, Estuary Dominant substrate Gravel, Silt River corridor land use Urban, Extensive 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) 700 m0.7 km <br />70,000 cm <br /> Project started Works started 2005/01/01 Works completed 2006/01/01 Project completed Total cost category 100 - 500 k€ 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 Rijkswaterstaat Waterdienst Stakeholder engagement and communication Rijkswaterstaat Waterdienst Works and works supervision Post-project management and maintenance Rijkswaterstaat Waterdienst Monitoring 100 - 500 k€ Rijkswaterstaat Waterdienst Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Navigation, Channelising of the river Hydromorphology Quantity & dynamics of flow, Flow velocities, Continuity for organisms Biology Invertebrates, Macrophytes, Fish: Abundance Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Introduction of coil rolls to protect groynes 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 Invertebrates Yes Yes Yes Inconclusive Macrophytes Yes Yes Yes Inconclusive Fish: Abundance Yes Yes Yes Inconclusive 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