Case study:Aaijen- Removal of bank fixation

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Location: 51° 34' 51.60" N, 6° 2' 25.80" E

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Project overview

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Status	Complete
Project web site
Themes	Flood risk management, Monitoring, Water quality
Country	Netherlands
Main contact forename	Frans
Main contact surname	Kerkum
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 Meuse River basin Meuse Subcatchment River name Meuse Area category more than 10000 km² Area (km2) 465465 km² <br />46,500 ha <br /> Maximum altitude category 100 - 200 m Maximum altitude (m) 200200 m <br />0.2 km <br />20,000 cm <br /> Dominant geology chalk and loess Ecoregion Western Plains Dominant land cover Intensive agriculture, Urban Waterbody ID Other case studies in this subcatchment: Meers - Floodplain lowering, Reméandration du Geer à Grand-Axhe, Rijkelse Bemden - River bed widening, Voorste Nete at Dessel Site Edit site Name Aijen WFD water body codes WFD (national) typology R7 WFD water body name Pre-project morphology Straight, High width:depth Reference morphology Single channel, Sinuous 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 Silt, Sand River corridor land use Urban, Intensive 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) 400 m0.4 km <br />40,000 cm <br /> Project started 2005/01/01 Works started 2005/01/01 Works completed 2006/01/01 Project completed Total cost category 50 - 100 k€ Total cost (k€) 74 k€74,000 € <br /> 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 Continuity for organisms Biology Macrophytes, Invertebrates: Taxonomic composition, Invertebrates: Abundance Physico-chemical Other reasons for the project Landscape enhancement, Nature development, Flood risk management, Bank erosion Measures Edit Measures Structural measures Bank/bed modifications Removal of bank reinforcements 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 Continuity for organisms Yes Yes Yes Improvement 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 Improvement Invertebrates: Taxonomic composition Yes Improvement Invertebrates: Abundance 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