Thur

General
River Characterisation
River typology
Hydromorphological quality elements
	Quantity and dynamics of water flow; Connection to groundwater bodies; River continuity; River depth and width variation; Structure and substrate of the river bed; Structure of the riparian zone; Structure of the floodplain;
Biological quality elements
	Phytoplankton; Macrophytes and phytobenthos; Benthic invertebrates; Fish;
Ecosystem Services
EU Directives
Pressures
	Groundwater abstractions; Artificial barriers downstream from the site; Artificial barriers upstream from the site; Alteration of instream habitat; Embankments, levees or dikes; Loss of vertical connectivity; Alteration of riparian vegetation; Channelisation / cross section alteration;
Measures
	Reduce anthropogenic flow peaks; Shorten the length of impounded reaches; Link flood reduction with ecological restoration; Establish environmental flows / naturalise flow regimes; Widen water courses; Allow/increase lateral channel migration or river mobility; Remeander water courses; Shallow water courses; Initiate natural channel dynamics to promote natural regeneration; Remove sediments; Remove bank fixation; Remove or modify in-channel hydraulic structures; Recreate gravel bar and riffles; Develop riparian forest; Adjust land use to develop riparian vegetation; Revegetate riparian zones; Remove bank fixation; Lower river banks or floodplains to enlarge inundation and flooding; Remove hard engineering structures that impede lateral connectivity; Set back embankments, levees or dikes; Retain floodwater;
Other

Site description

Measures selection

Success criteria

Ecological response

Hydromorphological response

Monitoring before and after implementation of the project

Socio-economic aspects

Contact person within the organization

Extra background information

References

Related Measures

Related Pressures

General
Country	CH
River Name	Thur
Site Name	Thur
River Characterisation

River typology
Location (Lat Lon)	47.5918, 8.77114000000006
Altitude	mid-altitude: 200 - 800 m
Catchment area	large: > 1000 - 10000 km2
Geology	Calcareous
National code/ River type name
Hydromorphological quality elements
Quantity and dynamics of water flow Connection to groundwater bodies River continuity River depth and width variation Structure and substrate of the river bed Structure of the riparian zone Structure of the floodplain
Biological quality elements
Phytoplankton Macrophytes and phytobenthos Benthic invertebrates Fish
Ecosystem Services

EU Directives

Pressures
Groundwater abstractions Artificial barriers downstream from the site Artificial barriers upstream from the site Alteration of instream habitat Embankments, levees or dikes Loss of vertical connectivity Alteration of riparian vegetation Channelisation / cross section alteration
Measures
Reduce anthropogenic flow peaks Shorten the length of impounded reaches Link flood reduction with ecological restoration Establish environmental flows / naturalise flow regimes Widen water courses Allow/increase lateral channel migration or river mobility Remeander water courses Shallow water courses Initiate natural channel dynamics to promote natural regeneration Remove sediments Remove bank fixation Remove or modify in-channel hydraulic structures Recreate gravel bar and riffles Develop riparian forest Adjust land use to develop riparian vegetation Revegetate riparian zones Remove bank fixation Lower river banks or floodplains to enlarge inundation and flooding Remove hard engineering structures that impede lateral connectivity Set back embankments, levees or dikes Retain floodwater
Other
Project size	1.6 km
Approximate costs	> 1 000 000 Euros
Synergy	Flood protection, ecology, recreation
Status	Realised
Period of realization	2000 - 2003
Evaluation	Hydromorphological and ecological changes
Implemented by	Amt für Umwelt (Thurgau) and Amt für Abfall, Wasser, Energie und Luft (Zurich)

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Thur

Thur

Site description

Measures selection

Success criteria

Ecological response

Hydromorphological response

Monitoring before and after implementation of the project

Socio-economic aspects

Contact person within the organization

Extra background information

References

Related Measures

Related Pressures