Case study:Fluvial improvement in Riera de Caldés

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Location:
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Project overview

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Status Complete
Project web site
Themes
Country Spain
Main contact forename
Main contact surname
Main contact user ID
Contact organisation Naturalea Conservació, S.L.
Contact organisation web site
Partner organisations
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Project summary

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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 Caldés
Area category
Area (km2) 1038 km²
103,800 ha
Maximum altitude category
Maximum altitude (m) 120 m
0.12 km
12,000 cm
Dominant geology
Ecoregion Ibero-Macaronesian
Dominant land cover Urban
Waterbody ID



Site

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Name
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology Embanked
Reference morphology
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 Ephemeral
Dominant substrate
River corridor land use Urban
Average bankfull channel width category 10 - 50 m
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) 5900 m
5.9 km
590,000 cm
Project started 2009/03/01
Works started
Works completed 2009/11/01
Project completed
Total cost category
Total cost (k€) 117 k€
117,000 €
Benefit to cost ratio
Funding sources Ajuntament de Palau-Solità i Plegamans

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



Reasons for river restoration

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Mitigation of a pressure Riparian development
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 Removal of rip-rap elements, New bioengineering elements in order to stabilize slope banks
Floodplain / River corridor Riparian tree planting, Removal of exotic plants (Arundo donax, Cortadelia seollana…)
Planform / Channel pattern
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
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Physico-chemical quality elements

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quality elements
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Any other monitoring, e.g. social, economic

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Additional links and references

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Supplementary Information

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