Case study:Restoration of Kalajoki River

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Location: 64° 15' 21.76" N, 23° 56' 36.51" E

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Project overview

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Status	Complete
Project web site
Themes
Country	Finland
Main contact forename	Eero
Main contact surname	LAUKKANEN
Main contact user ID	User:eero.laukkanen@vyh.fi
Contact organisation	Centre for Economic Development, Transport and the Environment for North Ostrobothnia
Contact organisation web site	http://www.kalajoki.fi/ymparisto/rahjansaaristo
Partner organisations	• Pohjois−Pohjanmaan ympäristökeskus; • Metsähallitus.
Parent multi-site project
This is a parent project encompassing the following projects	No

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Catchment and subcatchment

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Site

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Name	Kalajoki River Basin
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	crayfish, lamprey, different fish species
Dominant hydrology
Dominant substrate
River corridor land use	Coniferous woodland (semi natural)
Average bankfull channel width category
Average bankfull channel width (m)
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Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)
Project started	1994
Works started
Works completed
Project completed	2004/09/02
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Phase	cost category	cost exact (k€)	Lead organisation	Contact forename	Contact surname
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Reasons for river restoration

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Mitigation of a pressure	Invasive species
Hydromorphology	Channel pattern/planform, Continuity for organisms, Quantity & dynamics of flow
Biology	Fish: Disturbance-sensitive species
Physico-chemical
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Measures

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Monitoring

Hydromorphological quality elements

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quality elements

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quality elements

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Any other monitoring, e.g. social, economic

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Supplementary Information

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