Case study:Lunterse Beek

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Location: 52° 4' 3.69" N, 5° 31' 27.79" E

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Project overview

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Status	Complete
Project web site	http://www.sprengenbeken.nl/tag/lunterse-beek/
Themes	Environmental flows and water resources, Habitat and biodiversity, Hydromorphology, Land use management - agriculture, Monitoring, Water quality
Country	Netherlands
Main contact forename	Maarten
Main contact surname	Veldhuis
Main contact user ID
Contact organisation	Waterschap Vallei en Veluwe
Contact organisation web site	http://www.vallei-veluwe.nl/
Partner organisations	STOWA
Parent multi-site project	Building with Nature measures in streams
This is a parent project encompassing the following projects	No

De oude Lunterse beek

Project summary

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Restoration measures were carried out in a trajectory of the Lunterse Beek to the west of Renswoude, south of the N224 up to the Liniedijk.

Since the Lunterse beek is a mass of water with little flow and dynamics, the water authority created a side channel, which should be embedded in the landscape and improve the stream’s ecology. This side channel also functions as a spillway when discharges are high. Because a weir is present at the location where the stream cuts through the Liniedijk, the side channel was led through a culvert in the dyke, after which it becomes a meandering stream that connects to the Lunterse Beek downstream of the weir.

The side channel passes through the small woodland area of Klein Wolfswinkel, where it passes close by a badger’s sett (Du: Dassenburcht); one of the pictures shows the badger’s nursery. The area also features living quarters of a fox, a hawk and a buzzard and is home to a colony of herons.

The ecology will be monitored further, both at the banks, where stubbs were introduced as a bank edge, and in the stream itself. The vegetation that was introduced at several locations near the stream will be monitored as well. The design of the area is such that little maintenance should be necessary.

The restorion measures in the Lunterse Beek aim to improve the flow conditions and increase the variation in flora and fauna. Fish like the gudge (Nl: riviergrondel) and ide (Nl: winde) will soon be able to swim upstream when the weir at the Groeperkade will be made passable for fish.

Source: https://www.sprengenbeken.nl/tag/lunterse-beek/

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Lunterse Beek WFD water body codes WFD (national) typology R5 WFD water body name Pre-project morphology Strongly changing Reference morphology Desired post project morphology 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 Mineral ground Dominant substrate Sand River corridor land use Agriculteral land, forest Average bankfull channel width category 5 - 10 m Average bankfull channel width (m) 66 m <br />0.006 km <br />600 cm <br /> Average bankfull channel depth category 0.5 - 2 m Average bankfull channel depth (m) 0.60.6 m <br />6.0e-4 km <br />60 cm <br /> Mean discharge category 0.1 - 1.0 m³/s Mean annual discharge (m3/s) 0.160.16 m³/s <br />160 l/s <br /> Average channel gradient category Less than 0.001 Average channel gradient 0.0007 Average unit stream power (W/m2) 0.1830640.183 W/m² <br /> Project background Edit project background Reach length directly affected (m) 40004,000 m <br />4 km <br />400,000 cm <br /> Project started 2011 Works started 2014/01/01 Works completed 2015/01/01 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 Maaibeheer Measures Edit Measures Structural measures Bank/bed modifications Dead wood deposit, Sand deposit 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 Flow velocities No No No No No Width & depth variation No No No No No Channel pattern/planform No No No No No Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Macrophytes No No No No No Fish No No No No No 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 Oxygen balance No No No No No PH No No No No No Temperature No No No No No Transparency No No No No No Salinity No No No No No 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