Case study:Environmental Restoration of Olivar-El Zaudin Metropolitan Park in Tomares

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Location: 37° 22' 4.92" N, 6° 3' 8.39" W
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Project overview

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Status Complete
Project web site http://www.chguadalquivir.es/inicio
Themes Habitat and biodiversity, Hydromorphology, Social benefits, Spatial planning
Country Spain
Main contact forename Maria Jesus
Main contact surname Castañeda
Main contact user ID
Contact organisation Guadalquivir Hydrographic Confederation. Ministry for Ecological Transition.
Contact organisation web site http://www.chguadalquivir.es/inicio
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Project picture

Project summary

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The purpose of the project was to restore the natural environment of Olivar- El Zaudín Metropolitan Park. There was a concern with the improvement and protection of the biodiversity, and the adjustments made to the Las Fuentes stream and the 4 existing lagoons took this into account: both vegetable and animal species, specially avifauna, that proliferated in the immediate vicinity of the stream were preserved. The main works were realted to littler and debris removal, cleaning the stream of invasive plants and earthworks for riverbed and laggon improvement. Autochthonous vegetation plantation was also carried out, both in the immediate vicinity of the stream and in the entire park. To improve social engamenent, existing pathways were intervened and improved, using environmental materials, and lamps and public furniture was included. In addition, a small building was built as a Nature Classroom, where citizen events related to nature can be carried out.

Monitoring surveys and results

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Catchment and subcatchment

Catchment

River basin district C.H.Guadalquivir
River basin Guadalquivir River

Subcatchment

River name Las Fuentes Stream
Area category
Area (km2) 0.440.44 km² <br />44 ha <br />
Maximum altitude category
Maximum altitude (m)
Dominant geology
Ecoregion
Dominant land cover
Waterbody ID



Site

Name Las Fuentes Stream
WFD water body codes
WFD (national) typology
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 Grey soils (rich in limestone) and red soils (with little limestone on the surface and extremely good for olive cultivation).
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

Reach length directly affected (m)
Project started 2015/04/21
Works started 2017/02/02
Works completed
Project completed
Total cost category 1000 - 5000 k€
Total cost (k€) 2,791.8782,791.878 k€ <br />2,791,878 € <br />
Benefit to cost ratio
Funding sources Guadalquivir Hydrographic Confederation.

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

Mitigation of a pressure
Hydromorphology Restoration and improvement of the area's hydraulic environment. Protecting and regenerating its river environment.
Biology Protection the habitat and species of interest present in the area.
Physico-chemical
Other reasons for the project Cultural and social values


Measures

Structural measures
Bank/bed modifications Conditioning of the banks of the stream and lagoons.
Floodplain / River corridor Elimination of allochthonous plant species
Planform / Channel pattern
Other General cleaning of the area, removal of rubble and rubbish; Reforestation of the Park with local plant species (and equipped with an irrigation network); improve existing roads and paths (3.65 km) and new pedestrian paths were planned (3.65 km); Urban furniture; Construction of a small building located in a point of maximum elevation that allows the observation of the environment
Non-structural measures
Management interventions
Social measures (incl. engagement) Metropolitan park (social engagement); Bird observatory and recovery, organization of workshops and events for schools and other groups, exhibitions on the fauna and flora of the area
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
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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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The project received a Special Mention in the 2nd Edition of the Andalusian Town Planning Awards, awarded by the Regional Government of Andalusia in 2017.