Case study:Beekherstel Eefsebeek

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Location: 52° 10' 35.61" N, 6° 18' 21.42" E

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Project overview

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Status	In progress
Project web site
Themes	Habitat and biodiversity, Monitoring
Country	Netherlands
Main contact forename	John
Main contact surname	Lenssen
Main contact user ID
Contact organisation	Waterschap Rijn en Ijssel
Contact organisation web site	http://www.wrij.nl/
Partner organisations	STOWA
Parent multi-site project	Building with Nature
This is a parent project encompassing the following projects	No

De oude Eefsebeek

Project summary

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The Eefse Beek water body is classified as a river under the WFD system. It is an R5 category water body: slow-flowing middle/lower reach on sand. The entire Eefse Beek is managed by water authority Rijn en IJssel. The water body is located in the province of Gelderland, municipality Lochem. It is 12,1 km long and has a catchment of 4080 hectares. The water body is composed of the Eefse Beek and its tributaries, the Molenbeek and Huurnerbeek. The water body originates in its own catchment and discharges into the river IJssel via the Twentekanaal. Water levels in the Eefse Beek are managed with three adjustable weirs. None of these weirs are passable for fish. In the Eefse Beek water body, a single water level is pursued for each managed stretch. The Eefse Beek carries water all year, with an occasional dry period in summer. There are no sewage treatment plants present in its catchment.

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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 Berkel Area category 100 - 1000 km² Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) 2323 m <br />0.023 km <br />2,300 cm <br /> Dominant geology Siliceous Ecoregion Central Plains Dominant land cover Grassland, Intensive agriculture (arable), Broadleaf/mixed woodland (semi natural) Waterbody ID NL07_0016 Other case studies in this subcatchment: Beekherstel Leerinkbeek, Beekherstel Ramsbeek, Beekherstel Willinkbeek, Beneden-Berkel, Boldersbeek Site Edit site Name Eefsebeek WFD water body codes NL07_0025 WFD (national) typology R5 WFD water body name Pre-project morphology 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 Dominant substrate Sand River corridor land use Grassland, Intensive agriculture (arable) 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) 0.90.9 m <br />9.0e-4 km <br />90 cm <br /> Mean discharge category 1 - 10 m³/s Mean annual discharge (m3/s) 2.2252.225 m³/s <br />2,225 l/s <br /> Average channel gradient category Less than 0.001 Average channel gradient 0.00023 Average unit stream power (W/m2) 0.8364553750.836 W/m² <br /> Project background Edit project background Reach length directly affected (m) Project started 2017 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 Flow velocities, Width & depth variation Biology Fish, Invertebrates Physico-chemical Oxygen balance, PH, Temperature Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Stroombaanmaaien 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 Yes Yes No No No Improvement Width & depth variation Yes Yes No No No Improvement Substrate conditions Yes Yes No No No Improvement Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Fish Yes Yes No No No Improvement Invertebrates Yes Yes No No No Improvement Macrophytes Yes Yes No No No Improvement 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 Yes Yes No No No Improvement PH Yes Yes No No No Improvement Temperature Yes Yes No No No Improvement 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