Case study:Increased biodiversity, river Llobregat, Sallent.

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Location: none specified

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Project overview

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Status	Complete
Project web site
Themes
Country	Spain
Main contact forename	Municipality of Sallent
Main contact surname	Municipality of Sallent
Main contact user ID
Contact organisation	Municipality of Sallent
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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The fluvial space has been reduced by the advance of agriculture, infrastructure construction and the possible expansion of industrial estates. Also, improper utilization of public use involves the accumulation of waste. The axis of the Llobregat highway is also source of noise and visual pollution. The main objectives are: creating an artificial wetland; creating a wet meadow (temporary flooding); protection of sand and gravel bars; construction of a longitudinal wall for crop protection.

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	Llobregat

Subcatchment

River name	Llobregat
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: Llobregat river restoration

Site

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Name	Sallent
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)	20.7720.77 m³/s <br />20,770 l/s <br />
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	2000 m2 km <br />200,000 cm <br />
Project started	1994/01/01
Works started
Works completed	1995/01/01
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources	Environmental Department, Municipality of Sallent

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, 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	Embankment construction (not near the riverbed), Revetmens with local species
Floodplain / River corridor	Silvicultural treatments, New habitats construction
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)	New pahts near the river
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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Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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