Case study:Floodplain restoration in the River IJssel at Gelderland

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Location: 52° 19' 37.13" N, 6° 5' 26.47" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity
Country	Netherlands
Main contact forename	Andries
Main contact surname	Stoker
Main contact user ID
Contact organisation	Natuurmonumenten
Contact organisation web site	http://www.natuurmonumenten.nl/
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The upper floodplains of the river IJssel (Natura 2000 network) constitute large areas of several threatened habitats and species. Intensification and over- fertilisation leading towards a monotonous landscape with low nature value and high euthophication are major issues for the ecology of the IJssel and its floodplains. In addition, populations of many plant and animal species are fragmented as a result of habitat loss for these species.

This project located in the floodplains along the river IJssel were to enlarge the area of characteristic riverine habitats of the restored area, then to create biotopes for species associated with these habitats that are included in the Natura 2000 network. Other linked projects located further downstream will enhance habitat connectivity along the river after completion for the benefit of wildlife populations.

Monitoring surveys and results

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An enlargement of the target habitats by a total of 118 ha will be achieved by the end of the project. Water safety improvement measures will increase the water storage capacity in the floodplains and thus reduce the risk of flooding elsewhere. This will prevent habitats from drying out during summer and improve spatial connection of habitats and populations of species that are susceptible to climate change. Recreational measures will result in a bird observatory, a partly restored and extended footpath (Koppenwaard), shortcuts to the river IJssel and other improved facilities for visitors (e.g. wooden benches at viewpoints).

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Dominant substrate River corridor land use 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 Works started Works completed 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 Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications 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 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 http://ec.europa.eu/environment/life/project/Projects/index.cfm?fuseaction=search.dspPage&n proj id=4318&docType=pdf LIFE project description http:///www.natuurmonumenten.nl/projectbeschrijving-20"http:///www.natuurmonumenten.nl/projectbeschrijving-20" has been identified to contain an invalid "/www.natuurmonumenten.nl/projectbeschrijving-20" authority or path component. Project Website Supplementary Information Edit Supplementary Information