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

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Project summary

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The Ramlösa 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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Catchment and subcatchment

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Site

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Name	Ramlösa Brook
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Pre-project morphology
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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)
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Project background

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Reasons for river restoration

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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
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Monitoring

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Supplementary Information

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