Case study:Beekherstel Lactariabeek

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Location: 51° 33' 52", 5° 54' 3"
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Project overview

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Status Complete
Project web site
Themes Environmental flows and water resources
Country Netherlands
Main contact forename Rob
Main contact surname Fraaije
Main contact user ID
Contact organisation Waterschap Aa en Maas
Contact organisation web site http://www.aaenmaas.nl/
Partner organisations STOWA
Parent multi-site project

Building with Nature

This is a parent project
encompassing the following
projects
No
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Project summary

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De Lactariabeek ontspringt in Limburg. Deze beek ligt in een natuurlijk beekdal. De beek is daarom getypeerd als (R4) langzaam stromende bovenloop op zand. De beek is op veel plaatsen sterk genormaliseerd en vergraven. Toch heeft de beek hier en daar nog steeds een natuurlijk verloop. Op de Brabants-Limburgse grens kruist de beek het Afwateringskanaal met een sifon. De beek loopt deels door een bosgebied, waar de beek in de zomermaanden kan droogvallen. Vervolgens stroomt hij door een gebied met overwegend landbouw.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Raam
River basin Maas

Subcatchment

River name
Area category 10 - 100 km²
Area (km2) 18.5
18.5 km²
1,850 ha
Maximum altitude category Less than 100 m
Maximum altitude (m) 25
25 m
0.025 km
2,500 cm
Dominant geology Siliceous
Ecoregion
Dominant land cover Intensive agriculture (arable)
Waterbody ID



Other case studies in this subcatchment: Beek Lage Raam


Site

Name Lactariabeek
WFD water body codes NL38-8V
WFD (national) typology R4
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
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 Intensive agriculture (arable), Plantation forestry
Average bankfull channel width category 2 - 5 m
Average bankfull channel width (m) 2.77
2.77 m
0.00277 km
277 cm
Average bankfull channel depth category Less than 0.5 m
Average bankfull channel depth (m) 0.3
0.3 m
3.0e-4 km
30 cm
Mean discharge category Less than 0.1 m³/s
Mean annual discharge (m3/s) 0.075
0.075 m³/s
75 l/s
Average channel gradient category Less than 0.001
Average channel gradient 0.00085
Average unit stream power (W/m2) 0.22570261732852
0.226 W/m²


Project background

Reach length directly affected (m)
Project started 2014
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 Waterschap Aa en Maas



Reasons for river restoration

Mitigation of a pressure
Hydromorphology Flow velocities, Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Dead wood deposition
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
Channel pattern/planform Yes Yes No No No
Flow velocities Yes Yes No No No

Biological quality elements

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

Physico-chemical quality elements

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

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



Additional documents and videos


Additional links and references

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Supplementary Information

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