Case study:Environmental improvement intervention in a reach Anzur River in the village of El Nacimiento, in the Municipality of Rute (Cordoba)

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Location: 37° 23' 55.93" N, 4° 23' 3.23" W

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Project overview

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Status	Complete
Project web site
Themes
Country	Spain
Main contact forename	Antonio
Main contact surname	Garrido
Main contact user ID
Contact organisation	MEDIODÉS
Contact organisation web site	http://www.mediodes.com/
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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This reach of the Anzur River at Aldea de Nacimiento (Rute municipality, Cordoba, Spain) had flooding and incision problems. The riparian vegetation was altered by the presence of exotic species (Arundo donax) or the absence of coverage by native species. Other problem related to the urbanization was the presence of debris and waste at the channel. The project aimed to reduce the floods by increasing the width of the channel and its hydraulic capacity. Along with this intervention, there were other actions, based on bioengineering techniques or materials that allow their environmental integration, with the objective of improve the environmental condition of the reach and the landscape.

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	C.H.Guadalquivir
River basin	Guadalquivir

Subcatchment

River name	Anzur
Area category
Area (km2)
Maximum altitude category	500 - 1000 m
Maximum altitude (m)
Dominant geology	Calcareous
Ecoregion	Ibero-Macaronesian
Dominant land cover	Extensive agriculture
Waterbody ID

Site

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Name	Aldea El Nacimiento
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Sinuous
Reference morphology	Sinuous
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	Urban
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	2008/01/01
Works started
Works completed	2008/12/01
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			MEDIODÉS
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

Measures

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Structural measures
Bank/bed modifications	Bank stabilization, Prevent and reduce bank erosion with live stakes
Floodplain / River corridor	Silvicultural treatments
Planform / Channel pattern	Protection and correction of incision problems, Improvement of channel morphology
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

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
	Before measures	After measures	Qualitative	Quantitative

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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Map of the area of action

Aerial view of Anzur River

Image of the river upstream the village "Aldea del Nacimiento" before the works

Image of the river upstream the village "Aldea del Nacimiento" after the works

Riverbed incision before the performance

Riverbed incision after the performance

Anzur River before works

Anzur River during works

Anzur River after works

Anzur River flood in a moment before the performance

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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