Case study:Traditioneel Beekherstel Koffiegoot

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Location: 52° 6' 54.88" N, 6° 42' 29.08" E

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Project overview

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Status	Complete
Project web site
Themes	Flood risk management, Habitat and biodiversity, Land use management - forestry, 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
This is a parent project encompassing the following projects	No

Koffiegoot

Project summary

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The Koffiegoot is a stream running from the Haaksbergerveen to the river Berkel that is named after the brown color it gets from its peaty substrate.

Water authority Rijn en IJssel will re-design the stream and its surroundings. This is supposed to improve the opportunities fort he natural stream system to develop, retain more water and make the natural features more prominent.

The landscape should develop into a small-scale landscape with pools, heathland, grassland and patches of deciduous woodland. The pools will be conncected by a narrow stream that gradually widens and starts to meander. Vegetated earth walls and local bogs create a varied landscape.

Monitoring surveys and results

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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 Schipbeek 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 Intensive agriculture (arable), Plantation forestry, Grassland Waterbody ID NL07_0028 Other case studies in this subcatchment: Beekherstel Buurserbeek, Beekherstel Zuidelijk Afwateringskanaal Site Edit site Name Koffijgoot WFD water body codes WFD (national) typology R4 WFD water body name Pre-project morphology Actively meandering Reference morphology Actively meandering 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, Veen River corridor land use Grassland, Woodland Average bankfull channel width category Less than 2 m Average bankfull channel width (m) 11 m <br />0.001 km <br />100 cm <br /> Average bankfull channel depth category Less than 0.5 m Average bankfull channel depth (m) 0.40.4 m <br />4.0e-4 km <br />40 cm <br /> Mean discharge category Less than 0.1 m³/s Mean annual discharge (m3/s) 0.10.1 m³/s <br />100 l/s <br /> Average channel gradient category Less than 0.001 Average channel gradient 0.0002 Average unit stream power (W/m2) 0.196140.196 W/m² <br /> Project background Edit project background Reach length directly affected (m) Project started 1999 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 Channel pattern/planform, Continuity for organisms, 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 Floodplain / River corridor Vermoerassing/de beek het bos ingestuurd 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 Substrate conditions Yes Yes No No No Improvement Channel pattern/planform Yes Yes No No No Improvement Width & depth variation 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 Invertebrates 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