Case study:Brook Ramlösa-Restoration of agricultural stream

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Location: 56° 2' 31.60" N, 12° 46' 18.79" E

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Flood risk management, Habitat and biodiversity
Country	Sweden
Main contact forename	Claes
Main contact surname	Nihlen
Main contact user ID
Contact organisation	Municipality of Helsingborg
Contact organisation web site	http://www.lansstyrelsen.se/skane/Sv/djur-och-natur/skyddad-natur/ovriga skyddsformer/nationellt-vardefulla-vatten/vattenbeskrivning/Pages/Raan.aspx
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Parent multi-site project
This is a parent project encompassing the following projects	No

Added sinuosity to the stream (photo. Outi Laamanen)

Project summary

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The Lussebäcken brook is tributary of River Råån and it´s situated in Southern part of Sweden in the city of Helsingborg. The drainage area of the brook is mostly agricultural, cultivated land. Before restoration the brook had few serious problems which caused flooding problems and rinse of sediment and nutrients from the fields. The brook was very deep and slope of the bank steep which caused serious erosion problems. To prevent the flooding and erosion two-stage drainage channel was constructed. The object was to stabilize the stream by decreasind the slope of the banks, creating riparian zones and increasing meandering in the stream. Also stones and gravel were added in the bed of the stream to create more natural habitat for fish and other aquatic organisms. The restoration took place in 2002 and it was managed by the municipality of Helsingborg.

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Image gallery

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Restored stream (photo. Outi Laamanen)

Sinuosity of the restored stream (photo. Maria Arola)

Natural development of the restored stream (photo. Outi Laamanen)

Restoration of agricultural stream-added sinousity of the stream (photo. Outi Laamanen)

Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Lussebäcken Brook WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body Yes National/international site designation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Dominant substrate River corridor land use Intensive agriculture (arable) 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 Works started Works completed 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 Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Flood risk management Hydromorphology Channel pattern/planform, Continuity of sediment transport, Width & depth variation, Structure & condition of riparian/lake shore zones 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 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 links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information