Case study:Kleine Beerze

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Location: 51° 25' 15.72" N, 5° 16' 47.28" E

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Project overview

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Status	In progress
Project web site
Themes	Environmental flows and water resources, Habitat and biodiversity, Monitoring, Water quality
Country	Netherlands
Main contact forename	Ineke
Main contact surname	Barten
Main contact user ID
Contact organisation	Waterschap De Dommel
Contact organisation web site	http://www.dommel.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 Kleine Beerze is a small stream that merges with the Groote Beerze. Currently, the flow velocity in the channel is too low as a consequence of straightening. This sometimes leads to the stream falling dry in periods with little rainfall. Biodiversity in the Kleine Beerze is rather low. Main channel mowing was used as a strategy to enhance diversity in flow velocity, macroinvertebrates and vegetation. In addition to this small-scale building with nature measure, efforts are made to recreate a meandering trajectory for the stream. Furthermore, effects of waterbed pollution are also being researched and various barriers have been made passable for fish.

Monitoring surveys and results

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The main channel mowing strategy leads to a division between a vegetated and an unvegetated zone in the stream profile. The vegetated area is observed to accrete, while the unvegetated area is observed to erode. Macroinvertebrate counts and water levels are still being monitored.

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Kleine Beerze WFD water body codes NL27_B_2_2 WFD (national) typology R4 WFD water body name Kleine Beerze Pre-project morphology Straightened Reference morphology Actively meandering Desired post project morphology Actively meandering 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), Improved/semi-improved grassland/pasture, Moorland/heathland 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