Vääräjoki - Niskakoski

General
River Characterisation
River typology
Biological quality elements
	Macrophytes and phytobenthos; Fish;
Ecosystem Services
EU Directives
	Water Framework Directive;
Pressures
	Sediment discharge from dredging; Hydrological regime modification; Artificial barriers upstream from the site; Alteration of instream habitat; Embankments, levees or dikes; Channelisation / cross section alteration;
Measures
	Improve water retention; Add/feed sediment; Shallow water courses; Add sediments; Initiate natural channel dynamics to promote natural regeneration; Reduce impact of dredging; Recreate gravel bar and riffles; Lower river banks or floodplains to enlarge inundation and flooding; Other measures;
Other

Key features of the case study

General
Country	FI
River Name	Vääräjoki
Site Name	Vääräjoki - Niskakoski
River Characterisation

River typology
Location (Lat Lon)	64.054433, 24.220667
Altitude	lowland: < 200 m
Catchment area	medium: > 100 - 1000 km2
Geology	Organic
National code/ River type name	Mid-sized lowland river
Biological quality elements
Macrophytes and phytobenthos Fish
Ecosystem Services

EU Directives
Water Framework Directive
Pressures
Sediment discharge from dredging Hydrological regime modification Artificial barriers upstream from the site Alteration of instream habitat Embankments, levees or dikes Channelisation / cross section alteration
Measures
Improve water retention Add/feed sediment Shallow water courses Add sediments Initiate natural channel dynamics to promote natural regeneration Reduce impact of dredging Recreate gravel bar and riffles Lower river banks or floodplains to enlarge inundation and flooding Other measures
Other
Project size	1.4 km
Approximate costs
Synergy
Status	Realised
Period of realization	1997-2006
Evaluation	Hydromorphological and ecological changes