Case study:Tovensche Beek

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Location: 51° 38' 10.43" N, 5° 51' 16.84" E

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Project overview

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Status	In progress
Project web site
Themes	Habitat and biodiversity, Hydromorphology, Monitoring, Water quality
Country	Netherlands
Main contact forename	Bram
Main contact surname	Spierings
Main contact user ID
Contact organisation	Waterschap Aa en Maas
Contact organisation web site	http://www.aaenmaas.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 Tovensche Beek is a stream in an agricultural area on sandy soil. Part of the stream has been straightened, but a significant part still follows its original trajectory. The positive results of an experiment in the Snelle Loop led water authority Aa en Maas to perform additional experiments with dead wood in streams. Packages of dead wood were therefore introduced in the Tovensche Beek and macroinvertebrate presence will be monitored.

Monitoring surveys and results

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Monitoring is quite problematic, since the stream runs dry for about 3 to 4 months a year.

Lessons learnt

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Image gallery

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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 Maas Subcatchment River name Oeffeltsche Raam Area category 100 - 1000 km² Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) Dominant geology Siliceous Ecoregion Western Plains Dominant land cover Intensive agriculture (arable), Grassland, Broadleaf/mixed woodland (semi natural) Waterbody ID NL38_8P, NL38_8I Other case studies in this subcatchment: Beek Lage Raam, Beekherstel Lactariabeek, Hooge Raam, Lactariabeek, Oeffeltse Raam Site Edit site Name Tovensche Beek WFD water body codes NL38_8T WFD (national) typology R4 WFD water body name Tovensche Beek Pre-project morphology Low gradient passively meandering, Straightened Reference morphology Low gradient passively meandering Desired post project morphology Low gradient passively meandering, 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 Intensive agriculture (arable) 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