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' 56", -4° 23' 3"
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Project overview

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Status Complete
Project web site
Themes Environmental flows and water resources, Habitat and biodiversity, Hydromorphology
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
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encompassing the following
projects
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Project picture

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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Image gallery


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
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Catchment and subcatchment

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

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

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

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


Measures

Structural measures
Bank/bed modifications Bank stabilisation, 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

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

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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