Case study:Midden Regge

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Location: 52° 25' 10.17" N, 6° 27' 47.10" E

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Project overview

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Status	Complete
Project web site	http://www.vechtstromen.nl/buurt/gemeenten/wierden/midden-regge/
Themes	Habitat and biodiversity, Hydromorphology, Water quality
Country	Netherlands
Main contact forename	Maarten
Main contact surname	Zonderwijk
Main contact user ID
Contact organisation	Waterschap Vechtstromen
Contact organisation web site	http://www.vechtstromen.nl
Partner organisations
Parent multi-site project	Building with nature measures in streams
This is a parent project encompassing the following projects	No

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Project summary

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Restoration measures in the middle part of the river Regge are part of plans to restore the whole river. In 2006, the streambed was made made more narrow and given a meandering trajectory. Some abondoned meanders were reconnected to the stream. The bed was elevated further. Mowing in the main channel was suspended, while the floodplains were maintained by grazers.

Monitoring surveys and results

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These measures created a varied landscape with low natural levees. Some isolated meanders got a more grassy vegetation than intended because of a high nutrient load.

Lessons learnt

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Midden Regge WFD water body codes NL05_Middenregge WFD (national) typology R6 WFD water body name Midden Regge Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body Yes National/international site designation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Dominant substrate Sand River corridor land use Intensive agriculture (arable), Grassland, Broadleaf/mixed woodland (semi natural), Urban Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category Average bankfull channel depth (m) Mean discharge category 1 - 10 m³/s 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 Supplementary Information Edit Supplementary Information