Case study:Beneden Regge

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Location: 52° 28' 42.71" N, 6° 26' 28.41" E
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Project overview

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Status In progress
Project web site http://https://www.vechtstromen.nl/buurt/gemeenten/hellendoorn/beneden-regge/
Themes Habitat and biodiversity, Hydromorphology, Monitoring, Water quality
Country Netherlands
Main contact forename Maarten
Main contact surname Zonderwijk
Main contact user ID
Contact organisation Waterschap Vechtstromen
Contact organisation web site http://www.vechtstromen.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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Restoration measures in the downstream stretch of the river Regge are part of a larger restoration project for the whole river (see link above). The stream bed was raised and the river planform was made narrower and given a meandering trajectory. Dead wood was introduced and mowing was suspended to create a more varied ecosystem. The river corridor was largely converted from intensive agriculture to grassland, maintained by grazers.

Monitoring surveys and results

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Thanks to the measures, the river valley landscape has become more varied, which has been good for tourism. The valley now features a series of long natural levees.

Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Rijn
River basin Rijndelta

Subcatchment

River name Vecht
Area category 1000 - 10000 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m)
Dominant geology Siliceous, Organic
Ecoregion Central Plains
Dominant land cover Grassland, Intensive agriculture (arable), Broadleaf/mixed woodland (semi natural)
Waterbody ID NL36_OWM_014



Other case studies in this subcatchment: Beentjesgraven, De Doorbraak, Deurningerbeek, Dinkel Noord, Jufferbeek, Living Vechte-Dinkel, Marswetering, Midden Regge, Oude Bornschebeek, Oude Diep... further results


Site

Name Beneden Regge
WFD water body codes NL05_Benedenregge
WFD (national) typology R6
WFD water body name Beneden Regge
Pre-project morphology Actively meandering
Reference morphology Straightened
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 Grassland, Intensive agriculture (arable), Broadleaf/mixed woodland (semi natural), 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 1 - 10 m³/s
Mean annual discharge (m3/s) 55 m³/s <br />5,000 l/s <br />
Average channel gradient category Less than 0.001
Average channel gradient
Average unit stream power (W/m2)


Project background

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Works completed
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Cost for project phases

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Investigation and design
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Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
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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

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

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Any other monitoring, e.g. social, economic

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Monitoring documents



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Additional links and references

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Supplementary Information

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