Case study:Restoration of Rusenski Lom River near Ivanovo

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Location: 43° 41' 54.13" N, 25° 58' 47.08" E

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Project overview

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Status	Complete
Project web site
Themes	Hydromorphology
Country	Bulgaria
Main contact forename	Ivan
Main contact surname	Hristov
Main contact user ID
Contact organisation	WWF Danube Carpathian programme Bulgaria
Contact organisation web site	http://www.wwf.bg
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 project was implemented in 2009 by the Russenski Lom Nature Park Directorate, Club „Friends of Russenski Lom” and WWF with the support of the Ministry of Culture and was funded by WWF and the German Federal Ecological Foundation DBU The main issues are the following: •In the mid 20th century most of the lower flow of Russenski Lom River was fully diverted;•High water floods the road;•When water overflows the dike it can no longer go back into the river;•The flood in 2006 washed away the bridge and the alcoves on the island once again;•In this case, the water itself suggested the solution to the problem;•It is the first example in Bulgaria for application of the principle “more space for the river – more safety for people”, proven yet in mid 20th century.

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Before restoration

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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 Rusenski Lom River Subcatchment River name Rusenski Lom Area category Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) Dominant geology Calcareous Ecoregion Pontic Province Dominant land cover Intensive agriculture (arable) Waterbody ID Site Edit site Name Protected area "Lomovete" WFD water body codes BG1RL120R013 WFD (national) typology BGTR2 WFD water body name Pre-project morphology Embanked Reference morphology Sinuous Desired post project morphology Heavily modified water body true National/international site designation EU - Special Protected Area Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Artificially regulated Dominant substrate Sand River corridor land use Intensive agriculture (arable) Average bankfull channel width category more than 50 m Average bankfull channel width (m) Average bankfull channel depth category 2 - 5 m 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 2008/03/01 Works started 2008/09/01 Works completed 2009/03/01 Project completed Total cost category 10 - 50 k€ Total cost (k€) Benefit to cost ratio Funding sources WWF Germany, DBU Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design 1 - 10 k€ Stakeholder engagement and communication 1 - 10 k€ Works and works supervision 1 - 10 k€ Post-project management and maintenance Less than 1 k€ Monitoring Less than 1 k€ Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Flood risk management, Flood defence Hydromorphology Width & depth variation Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications 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 Structure & condition of riparian/ lake shore zones Inconclusive Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Fish: Species composition Inconclusive 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 links and references Edit links and references Link Description http://www.wwf.bg/ WWF-Bulgaria http://lomea.org/ Directorate "National park Rusenski Lom" Supplementary Information Edit Supplementary Information