Case study:Conservation the public water domain in the Tajo basin, t. m. Alcocer, province of Guadalajara.

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Location: 40° 26' 44.07" N, 2° 36' 19.10" W

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Hydromorphology
Country	Spain
Main contact forename	CHTajo
Main contact surname	CHTajo
Main contact user ID
Contact organisation
Contact organisation web site	http://www.chtajo.es/Paginas/default.aspx
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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In May 2006 the low level of the reservoir Buendia caused that the dam used to supply the town of Alcocer became an insuperable obstacle to the cyprinids, which prompted the Provincial Delegation of MN and D.R. of the province of Cuenca and various groups, asked for help from the Tagus River Basin. The main solution was the construction of a fish scale to overcome the weir and allow passage upstream of cyprinids.

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Aerial view of the area

Aerial view of the weir in the restoration area

Weir before works

Weir 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 C.H.Tajo River basin Tajo Subcatchment River name Guadiela Area category 1000 - 10000 km² Area (km2) Maximum altitude category Maximum altitude (m) Dominant geology Siliceous Ecoregion Ibero-Macaronesian Dominant land cover Extensive agriculture Waterbody ID Site Edit site Name Azud de Buendía 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 true 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 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 2006/01/01 Works started Works completed 2006/01/01 Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources 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 C.H.Tajo Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Continuity for organisms Biology Fish: Abundance Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Creation of fish ladders Floodplain / River corridor 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