Case study:Basic proposals for restoration and enhancement of the stream of Vilamajor in Sant Antoni de Vilamajor

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Location: 41° 40' 24.72" N, 2° 24' 2.30" E

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Project overview

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Status	Complete
Project web site
Themes
Country	Spain
Main contact forename	Naturalea
Main contact surname	Naturalea
Main contact user ID
Contact organisation	Naturalea
Contact organisation web site	http://www.naturalea.eu
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The stretch to restore is near the town center, which has led to the channeling of the river and the installation of auxiliary structures. On the other hand, it has increased the proliferation of alien invasive species and it has retreated riparian vegetation. The main actions in this project are: the use of new bioengineering elements in order to stabilize slope banks; naturalize space by planting trees, shrubs and heliophilous; management of drainage of surface runoff by constructing a rainwater collect. The project has a total budget of 20.354,29 € and is financed by the Municipality of Sant Antoni de Vilamajor.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Catchment

River basin district	Pirineo Oriental
River basin	Besós

Subcatchment

River name	Riera de Sant Antoni de Vilamajor
Area category
Area (km2)
Maximum altitude category	200 - 500 m
Maximum altitude (m)	260 m0.26 km <br />26,000 cm <br />
Dominant geology
Ecoregion	Ibero-Macaronesian
Dominant land cover	Urban
Waterbody ID

Site

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Name	Tramo entre el puente de la calle Sant Pere y el puente de la calle Sant Jordi
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Entrenched
Reference morphology	Entrenched
Desired post project morphology
Heavily modified water body	true
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
Average bankfull channel width category	2 - 5 m
Average bankfull channel width (m)	55 m <br />0.005 km <br />500 cm <br />
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	82 m0.082 km <br />8,200 cm <br />
Project started	2010/01/01
Works started
Works completed	2010/10/01
Project completed
Total cost category	10 - 50 k€
Total cost (k€)	20 k€20,000 € <br />
Benefit to cost ratio
Funding sources	Municipality of Sant Antoni de Vilamajor

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			Naturalea, S.L.
Post-project management and maintenance
Monitoring

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Channel pattern/planform, Structure & condition of riparian zones
Biology
Physico-chemical
Other reasons for the project	Landscape enhancement

Measures

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Structural measures
Bank/bed modifications	New bioengineering elements in order to stabilize slope banks
Floodplain / River corridor	Recovery riparian vegetation
Planform / Channel pattern	Works to safeguard the bridge
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other

Monitoring

Hydromorphological quality elements

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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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quality elements

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Physico-chemical quality elements

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Monitoring documents

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Image gallery

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Additional links and references

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Link	Description

Supplementary Information

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