Case study:Ecological reconstruction of islands resulted after Sf. Gheorghe Arm rectification - project 2

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Location: 44° 52' 0.00" N, 29° 15' 0.00" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity
Country	Romania
Main contact forename	Eugenia
Main contact surname	Cioaca
Main contact user ID
Contact organisation	Danube Delta National Institute for Research and Development, Tulcea
Contact organisation web site	http://www.ddni.ro
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This is a parent project encompassing the following projects	Ecological reconstruction of islands resulted after Sf. Gheorghe Arm rectification - project 2

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Danube River basin Danube Subcatchment River name Sf. Gheorghe Branch Area category more than 10000 km² Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) 0.5 m5.0e-4 km <br />50 cm <br /> Dominant geology Organic (i.e. Peat) Ecoregion Pontic Province Dominant land cover Wetland Waterbody ID Other case studies in this subcatchment: Ecological reconstruction of islands resulted after Sf. Gheorghe Arm rectification - project 1, Ecological reconstruction of islands resulted after Sf. Gheorghe Arm rectification - project 3, The Holbina-Dunavat Restoration Project Site Edit site Name Dranov 2 Island WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Closed culvert Reference morphology Groundwater dominated Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Biosphere Reserves Protected species present Invasive species present Species of interest Dominant hydrology Artificially regulated Dominant substrate Sand River corridor land use Wetland Average bankfull channel width category 5 - 10 m Average bankfull channel width (m) 1010 m <br />0.01 km <br />1,000 cm <br /> Average bankfull channel depth category 0.5 - 2 m Average bankfull channel depth (m) 2 m0.002 km <br />200 cm <br /> Mean discharge category Mean annual discharge (m3/s) 1616 m³/s <br />16,000 l/s <br /> Average channel gradient category Average channel gradient 0.015 Average unit stream power (W/m2) 235.368235.368 W/m² <br /> Project background Edit project background Reach length directly affected (m) 670 m0.67 km <br />67,000 cm <br /> Project started 2006/01/01 Works started 2007/04/01 Works completed 2007/07/01 Project completed Total cost category 100 - 500 k€ Total cost (k€) Benefit to cost ratio Funding sources Environment Ministry, Environment and Water Management Ministry Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design 50 - 100 k€ Danube Delta National Institute Dan David Stakeholder engagement and communication Tulcea Forestry Administration Radu Vasile Works and works supervision Danube Delta National Institute Dan David Post-project management and maintenance Tulcea Forestry Administration Radu Vasile Monitoring 100 - 500 k€ 300 k€300,000 € <br /> Danube Delta National Institute, Tulcea Eugenia Cioaca Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Quantity & dynamics of flow Biology Fish: Disturbance-sensitive species Physico-chemical Nutrient concentrations Other reasons for the project Community demand Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Canals to improve the hydrologic regime Other Non-structural measures Management interventions Social measures (incl. engagement) Improved public access Other Participation in monitoring Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Quantity & dynamics of flow Improvement Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Fish: Disturbance-sensitive species Improvement 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 Nutrient concentrations Yes Improvement 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 Public awareness of fish catching Improvement Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description http://www.ddni.ro The site of the Danube Delta National Institute for Research and Development (DDNIRD) Supplementary Information Edit Supplementary Information