Case study:Improvement of ecological state of the river Pisuerga between the dam of Aguilar de Campo and Alar del Rey (Palencia) - 1st Stage.

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Location: 42° 43' 25.73" N, 4° 17' 7.28" W

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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	Ignacio
Main contact surname	Rodríquez
Main contact user ID
Contact organisation	Confederación Hidrográfica del Duero
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 Pisuerga River has a high regulation of the flow regime, which determines an artificial and seasoned flow regime. Also, the massive release of sediments is affected by the presence of weirs, which difficult and blocks the mobility for fish upstream migration and habitat availability. This is the first stage of the total project which involves mitigation and preventive measures. The global objectives are: Improve aquatic habitats and recover aquatic communities; improve longitudinal connectivity; stream bank stabilization; improve the structure and composition of the vegetation. The measures comprise earthworks for bank stabilization (to reduce erosion and sediment input, and facilitate the establishment of vegetation), the installation of fish pass and the rehabilitation of spawning areas. The project has a total budget of 3.135.508 € and is financed by the Ministry of Environment, as part of the National Strategy for River Restoration.

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Image gallery

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Map of the actuation area

Aerial view of Pisuerga River

Pisuerga River channel

Weir in Pisuerga River

Aguilar de Campoo dam

Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district C.H.Duero River basin Pisuerga Subcatchment River name Pisuerga Area category more than 10000 km² 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 Edit site Name Las Loras WFD water body codes 12362 WFD (national) typology WFD water body name Pre-project morphology Sinuous Reference morphology Sinuous Desired post project morphology Heavily modified water body true National/international site designation Local/regional site designations Site of Community Importance Protected species present Invasive species present Species of interest Dominant hydrology Artificially regulated Dominant substrate River corridor land use Extensive agriculture 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 Edit project background Reach length directly affected (m) Project started 2009/01/01 Works started Works completed 2009/11/01 Project completed Total cost category 1000 - 5000 k€ Total cost (k€) 3135 k€3,135,000 € <br /> Benefit to cost ratio Funding sources Water Programe, MARM 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 Confederación Hidrográfica del Duero Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Quantity & dynamics of flow, Continuity for organisms, Continuity of sediment transport, Structure & condition of riparian zones Biology Fish: Abundance Physico-chemical Other reasons for the project Recreation Measures Edit Measures Structural measures Bank/bed modifications Bank stabilisation, Restoration of natural vegetation Floodplain / River corridor Improve longitudinal connectivity Planform / Channel pattern Other Fish habitat restoration Non-structural measures Management interventions Social measures (incl. engagement) Improved network of trails, Information panels for people 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