Case study:Fluvial river restoration of Tordera in Sant Celoni

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Location: 41° 41' 3.56" N, 2° 29' 39.88" E

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Project overview

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Status	Complete
Project web site
Themes
Country	Spain
Main contact forename	Joan
Main contact surname	Feliu
Main contact user ID
Contact organisation	Acciónatura
Contact organisation web site
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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Tordera River passing through Sant Celoni, boxed in between the AP-7, to its right bank, and industrial parks and estates, to his left side, presents a high state of degradation. These interventions in the territory have altered the natural course of the river and caused the loss of habitats within the area. In these latter interventions we must add the intensive use floodplain for agriculture, livestock, crops poplar and aggregate extraction. The main objectives of this project are: To improve the structure and composition of the vegetation; landscape integration of rip-raps; Creation of refuge and breeding ground for otters and awareness campaigns.

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	Tordera

Subcatchment

River name	Tordera
Area category
Area (km2)
Maximum altitude category	Less than 100 m
Maximum altitude (m)	25 m0.025 km <br />2,500 cm <br />
Dominant geology
Ecoregion	Ibero-Macaronesian
Dominant land cover	Urban
Waterbody ID

Other case studies in this subcatchment: Fluvial river restoration of Tordera in Tordera, Sustainable management, at local level, of the alluvial aquifer of the River Tordera, through the reuse of waste water

Site

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Name	Río Tordera en Sant Celoni
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body
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
Average bankfull channel width (m)
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)
Project started	2005/01/01
Works started
Works completed
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources	ACA, Accionatura

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

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Mitigation of a pressure
Hydromorphology	Continuity for organisms, 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	Embankments revegetation, Removal of exotic plants
Floodplain / River corridor	New habitats construction, Riparian tree planting
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)	Awareness campaigns
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

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

Physico-chemical quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
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Any other monitoring, e.g. social, economic

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

Monitoring documents

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Image gallery

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Aerial view of the restoration area

River before works

River before works

Plantation in 2005

Naturalization of a riprap

Additional documents and videos

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Additional documentation (in Spanish)

Additional links and references

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Link	Description

Supplementary Information

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