Case study:Linde

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Location: 52° 50' 57.03" N, 6° 0' 10.19" E

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Project overview

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Status	Planned
Project web site
Themes	Habitat and biodiversity, Hydromorphology, Water quality
Country	Netherlands
Main contact forename	Koos
Main contact surname	Koops
Main contact user ID
Contact organisation	Wetterskip Fryslân
Contact organisation web site	http://www.wetterskipfryslan.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 Linde is originally a slowly flowing lowland stream on a sandy substrate. The stream has changed because of straightening, normalization and bank stabilising measures. To meet WFD criteria, abandoned meanders are being dug out and spillways are created to lead the water through the channel. In addition, the mowing regime will be changed to main channel mowing. This is supposed to increase the presence of aquatic plants. Maintenance is reduced to the minimum that is required to prevent the waterway from getting clogged by sediment. The proper timing of maintenance will be determined visually.

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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 Rijn River basin Rijndelta Subcatchment River name Friese Wateren Area category 1000 - 10000 km² Area (km2) 25002,500 km² <br />250,000 ha <br /> Maximum altitude category Less than 100 m Maximum altitude (m) 2626 m <br />0.026 km <br />2,600 cm <br /> Dominant geology Siliceous, Organic Ecoregion Central Plains Dominant land cover Grassland Waterbody ID NL02L1 Other case studies in this subcatchment: Koningsdiep Site Edit site Name Linde WFD water body codes NL02L1 WFD (national) typology R5 WFD water body name Linde en Noordwoldervaart Pre-project morphology Straightened Reference morphology Actively meandering Desired post project morphology Straightened 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 Grassland, 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 Less than 0.001 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