Case study:Restoration project in the stream of the Vall d'Horta and surrounds. Natural Park of Sant Llorenç del Munt i l'Obac.

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Location: 41° 40' 8.63" N, 2° 2' 34.75" E

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Habitat and biodiversity, Land use management - forestry
Country	Spain
Main contact forename	Naturalea S.L.
Main contact surname	Naturalea S.L.
Main contact user ID
Contact organisation	Naturalea S.L.
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

Example of bank protection used

Project summary

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The work carried out aims to improve the processes of regeneration and improvement of forest structure, minimize erosion, improve the social use, improve the drainage of the stream and the biological connection of a weir with a fish ladder and rehabilitate different habitats. The main objectives of this project are improved post-fire forest structure with the removal of dead wood and selective pruning of some feet; improvement of plant diversity by planting species; improving the dynamics of the stream; promote the area as a recreation space the stream and the home environment of the Muntada; sort the area to prevent environmental deterioration (erosion, loss of soil and plant diversity, etc..); landscape integration of the work done. The project has a total budget of 72.226 € and is financed by the Council of Barcelona and by the Natural Park Sant Llorenç de Munt i l'Obac.

Monitoring surveys and results

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Image gallery

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Map of the restoration area

Map of the restoration area

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Photos of the area before and after works

Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Pirineo Oriental River basin Besós Subcatchment River name Riera de la Val d'Horta Area category Less than 10 km² Area (km2) 6 km²600 ha <br /> Maximum altitude category 500 - 1000 m Maximum altitude (m) 510 m0.51 km <br />51,000 cm <br /> Dominant geology Ecoregion Ibero-Macaronesian Dominant land cover Waterbody ID Other case studies in this subcatchment: Restoration project in the stream of the Vall d'Horta and surrounds. Natural Park of Sant Llorenç del Munt i l'Obac. Site Edit site Name Riera de la Val d'Horta 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 Average bankfull channel width category 2 - 5 m Average bankfull channel width (m) 33 m <br />0.003 km <br />300 cm <br /> 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 Edit project background Reach length directly affected (m) 2015 m2.015 km <br />201,500 cm <br /> Project started Works started Works completed Project completed Total cost category 50 - 100 k€ Total cost (k€) 72 k€72,000 € <br /> Benefit to cost ratio Funding sources Council of Barcelona, PN Sant Llorenç de Munt i l'Obac 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, S.L. Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Wildfire erosion protection Hydromorphology Continuity for organisms, Structure & condition of riparian zones Biology Physico-chemical Other reasons for the project Bank erosion, Landscape enhancement Measures Edit Measures Structural measures Bank/bed modifications New bioengineering elements in order to stabilize slope banks, Installing fish scale Floodplain / River corridor Cutting or pruning health of individuals affected by the fire to accelerate natural regeneration, Removal of exotic plants Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional documentation (in Spanish) Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information