Case study:Restorations of Ritobäcken brook

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Location: 60° 19' 4.53" N, 25° 12' 16.21" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity
Country	Finland
Main contact forename	Jukka
Main contact surname	Jormola
Main contact user ID
Contact organisation	SYKE
Contact organisation web site	http://www.environment.fi
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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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	Southern Finland
River basin	Sipoonjoki River

Subcatchment

River name	Ritobäcken brook
Area category	10 - 100 km²
Area (km2)	12 km²1,200 ha <br />
Maximum altitude category
Maximum altitude (m)
Dominant geology	Organic (i.e. Peat)
Ecoregion	Fenno-Scandian Shield
Dominant land cover	Intensive agriculture
Waterbody ID

Other case studies in this subcatchment: Ritobäcken-environmentally preferable two-stage drainage channels

Site

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Name	Cathment of Ritobäcken Brook
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Sinuous, Straightened
Reference morphology	over-widened
Desired post project morphology
Heavily modified water body
National/international site designation	EU - Special Area of Conservation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Ephemeral
Dominant substrate
River corridor land use	Intensive agriculture (arable)
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category	0.5 - 2 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient	0.002
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)
Project started	2009/01/01
Works started	2010/01/01
Works completed	2010/01/01
Project completed
Total cost category	Less than 10 k€"Less than 10 k€" is not in the list (Less than 1 k€, 1 - 10 k€, 10 - 50 k€, 50 - 100 k€, 100 - 500 k€, 500 - 1000 k€, 1000 - 5000 k€, 5000 - 10000 k€, more than 10000 k€) of allowed values for the "Total cost category" property.
Total cost (k€)
Benefit to cost ratio
Funding sources	Ministry of Agriculture and Forestry; Ministry of Environment; Regional ELY-centre; and EU

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	invasive species
Hydromorphology	Continuity for organisms, Width & depth variation, Structure & condition of riparian/ lake shore zones
Biology	Fish: Species composition, Fish: Abundance, Fish: Disturbance-sensitive species, Fish: Age structure
Physico-chemical
Other reasons for the project

Measures

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Structural measures
Bank/bed modifications	Adding sinuosity, Introducing gravel, Re-introducing stones
Floodplain / River corridor
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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Image gallery

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Ritobacken brook_the excavated flood terrace (photo: J.Jormola)

The excavated flood terrace

Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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