Case study:The Bulgarian Wetlands Restoration and Pollution Reduction Project

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Project overview

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Status Complete
Project web site
Themes Hydromorphology
Country Bulgaria
Main contact forename Mihail
Main contact surname Mihailov
Main contact user ID
Contact organisation Ministry of Environment and Water, Bulgaria, http://www.moew.government.bg/
Contact organisation web site
Partner organisations
This is a parent project
encompassing the following
projects 		No
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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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(affects all case studies in this subcatchment)

Catchment

River basin district Danube
River basin Danube

Subcatchment

River name Sava River
Area category more than 10000 km²
Area (km2)
Maximum altitude category 500 - 1000 m
Maximum altitude (m) 833833 m <br />0.833 km <br />83,300 cm <br />
Dominant geology Calcareous
Ecoregion Dinaric Western Balkan, Alps
Dominant land cover
Waterbody ID



Other case studies in this subcatchment: Conservation of alluvial, Hainburg River Restoration, INTERREG MED WETNET - Memoradum on Participation in Wetland Conservation in Ljubljansko Barje Nature Park, Marsh protection in Egyek–Pusztakócs, National Park Danube-Auen, Regelsbrunner Aue, Renaturation of Stržen's riverbed on intermittent Cerknica Lake, Witzelsdorf Pilot Project


Site

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Name Persina Nature park, protected site "Kalimok- Brashlen"
WFD water body codes BG1DU000R001, BG1DJ149R002
WFD (national) typology BGTR6
WFD water body name
Pre-project morphology Embanked
Reference morphology
Desired post project morphology
Heavily modified water body true
National/international site designation EU - Special Area of Conservation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology Artificially regulated
Dominant substrate Sand
River corridor land use Plantation forestry
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

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Reach length directly affected (m)
Project started 2002/10/01
Works started
Works completed 2008/12/01
Project completed
Total cost category more than 10000 k€
Total cost (k€)
Benefit to cost ratio
Funding sources Global Environment Facility (GEF)

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
Post-project management and maintenance
Monitoring



Reasons for river restoration

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Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor Creation of wetlands
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

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quality elements
Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

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quality elements
Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Physico-chemical quality elements

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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

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Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents

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Additional links and references

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Link Description

Supplementary Information

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