Case study:Beekherstel Eefsebeek

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Location: 52° 10' 36", 6° 18' 21"
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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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Het waterlichaam Eefse Beek behoort tot de KRW categorie Rivieren. Het waterlichaam behoort tot het waterlichaam type R5: langzaam stromende middenloop/ benedenloop op zand. Het waterlichaam Eefse Beek is volledig in beheer bij Waterschap Rijn en IJssel. Het waterlichaam ligt in de Provincie Gelderland en valt binnen de gemeente Lochem. Het waterlichaam, de Eefse Beek, heeft een lengte van 12,1 kilometer en een stroomgebied van 4080 hectare. Het waterlichaam bestaat uit de watergangen de Eefse Beek, de Molenbeek en de Huurnerbeek. Het waterlichaam vindt zijn oorsprong in het eigen stroomgebied en mondt uit via het Twentekanaal in de IJssel. Om het peil te regelen zijn in het waterlichaam Eefse Beek drie regelbare stuwen aanwezig. Er zijn geen vispasseerbare stuwen. In het waterlichaam Eefse Beek wordt per peilvak één vast streefpeil gehanteerd. Het waterlichaam Eefse Beek is het gehele jaar watervoerend. Er is wel een afvoerloze periode in de zomer. In het stroomgebied van de Eefse Beek liggen geen RWZI’s of IBA’s.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Rijn
River basin Berkel

Subcatchment

River name -
Area category 10 - 100 km²
Area (km2) 99.24
99.24 km²
9,924 ha
Maximum altitude category Less than 100 m
Maximum altitude (m) 23
23 m
0.023 km
2,300 cm
Dominant geology Siliceous
Ecoregion Central Plains
Dominant land cover Grassland
Waterbody ID



Other case studies in this subcatchment: Beekherstel Leerinkbeek, Beekherstel Ramsbeek, Beekherstel Willinkbeek


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) 6
6 m
0.006 km
600 cm
Average bankfull channel depth category 0.5 - 2 m
Average bankfull channel depth (m) 0.9
0.9 m
9.0e-4 km
90 cm
Mean discharge category 1 - 10 m³/s
Mean annual discharge (m3/s) 2.225
2.225 m³/s
2,225 l/s
Average channel gradient category Less than 0.001
Average channel gradient 0.00023
Average unit stream power (W/m2) 0.836455375
0.836 W/m²


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

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

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

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

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

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

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


Monitoring documents



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Additional links and references

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Supplementary Information

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