Case study:Beneden-Leeuwen-Side channel

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Location: 51° 53' 18.60" N, 5° 31' 41.12" 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	Rogier
Main contact surname	Vogelij
Main contact user ID
Contact organisation	Rijkswaterstaat
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

Ecological benefits of side channels presentation, M. Schoor (2010)

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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 Millingerwaard Subcatchment River name Waal 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 Extensive agriculture, Urban Waterbody ID Other case studies in this subcatchment: Buiten Ooij, Millingerwaard-Floodplain rehabilitation, Opijnen- Side channel Site Edit site Name Beneden-Leeuwen WFD water body codes WFD (national) typology R7 WFD water body name Pre-project morphology Single channel, Straight, Sinuous, High width:depth Reference morphology Single channel, Revetments 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 Dominant substrate Sand, Clay River corridor land use Urban, Extensive agriculture Average bankfull channel width category 10 - 50 m Average bankfull channel width (m) Average bankfull channel depth category 5 - 10 m 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) 10001,000 m <br />1 km <br />100,000 cm <br /> Project started 1994/01/01 Works started 1994/01/01 Works completed 1997/01/01 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 Quantity & dynamics of flow, Continuity for organisms Biology Macrophytes, Invertebrates, Fish: Age structure Physico-chemical Other reasons for the project Landscape enhancement Measures Edit Measures Structural measures Bank/bed modifications Bank reprofiling Floodplain / River corridor Planform / Channel pattern Side channel created, Creation of backwater Other Non-structural measures Management interventions More natural water retention 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 Macrophytes Yes Yes Yes Improvement Invertebrates Yes Yes Yes Improvement Fish: Age structure Yes 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 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