Case study:Buulder Aa

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Location: 51° 17' 30.17" N, 5° 35' 5.97" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Hydromorphology
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 Buulder Aa is connected to the Grote Aa, Bosloop and Strijpe Aa, all of which are small lowland streams on a sandy substrate. Dead wood packages were introduced at several locations in the stream. This tends to increase variation in streamflow and substrate, which often promotes biodiversity.

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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 Dommel Area category 1000 - 10000 km² Area (km2) 18001,800 km² <br />180,000 ha <br /> Maximum altitude category Less than 100 m Maximum altitude (m) 7777 m <br />0.077 km <br />7,700 cm <br /> Dominant geology Siliceous Ecoregion Western Plains Dominant land cover Grassland, Intensive agriculture (arable), Broadleaf/mixed woodland (semi natural), Moorland/heathland, Urban Waterbody ID NL_99_6_BO_BE_2 Other case studies in this subcatchment: Beekherstel Beekloop BmN, Beekherstel Keersop, Beekherstel Reusel Baarschot-Diessen, Boven-Dommel, Grote Aa, Herinrichting beekdal Tongelreep, Kleine Aa, traject Smalwater Noord, Kleine Beerze Site Edit site Name Buulder Aa WFD water body codes NL27_KD_1_2 WFD (national) typology R5 WFD water body name Groote Aa/Buulder Aa Pre-project morphology Actively meandering Reference morphology Straightened 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 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 0.1 - 1.0 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