Case study:Dinkel Noord

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Location: 52° 24' 47.56" N, 6° 59' 1.40" E

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Project overview

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Status	In progress
Project web site	http://www.vechtstromen.nl/buurt/projecten/dinkeldal/
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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The Dinkel is a semi-natural river in the east of Twente. The water authority is optimising its flow for WFD and Natura 2000 purposes. To do this, the river was restructured in such a way that a great variation in substrate could exist without much maintenance. These substrates would inclde small riverside beaches, steep banks, carrs (broekbos), and abandoned meanders. Part of the design was completed in 2019, but the larger project is still ongoing.

Monitoring surveys and results

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The first attempt to create a natural levee with indigenous vegetation was succesful.

Lessons learnt

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Image gallery

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Dinkel Noord WFD water body codes NL05_Benedendinkel WFD (national) typology R6 WFD water body name Beneden Dinkel Pre-project morphology Straightened Reference morphology Actively meandering Desired post project morphology Straightened Heavily modified water body No 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 Grassland, Intensive agriculture (arable), Broadleaf/mixed woodland (semi natural) 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 Supplementary Information Edit Supplementary Information