Vreugderijkerwaard - Side channel

General
River Characterisation
River typology
Hydromorphological quality elements
	Structure of the riparian zone; Structure of the floodplain;
Biological quality elements
	Macrophytes and phytobenthos; Fish;
Ecosystem Services
EU Directives
Pressures
	Channelisation / cross section alteration; Alteration of instream habitat; Embankments, levees or dikes; Sedimentation and sediment input; Sand and gravel extraction; Loss of vertical connectivity;
Measures
	Improve water retention; Trap sediments; Increase flood frequency and duration in riparian zones or floodplains; Link flood reduction with ecological restoration; Allow/increase lateral channel migration or river mobility; Remove sediments; Remove or modify in-channel hydraulic structures; Lower river banks or floodplains to enlarge inundation and flooding; Reconnect backwaters and wetlands; Remove hard engineering structures that impede lateral connectivity; Restore wetlands;
Other

Key features of the case study

General
Country	NL
River Name	IJssel
Site Name	Vreugderijkerwaard - Side channel
River Characterisation

River typology
Location (Lat Lon)	52.5180489155406, 6.02359771728516
Altitude	lowland: < 200 m
Catchment area	very large: > 10000 km2
Geology	Siliceous
National code/ River type name	R7
Hydromorphological quality elements
Structure of the riparian zone Structure of the floodplain
Biological quality elements
Macrophytes and phytobenthos Fish
Ecosystem Services

EU Directives

Pressures
Channelisation / cross section alteration Alteration of instream habitat Embankments, levees or dikes Sedimentation and sediment input Sand and gravel extraction Loss of vertical connectivity
Measures
Improve water retention Trap sediments Increase flood frequency and duration in riparian zones or floodplains Link flood reduction with ecological restoration Allow/increase lateral channel migration or river mobility Remove sediments Remove or modify in-channel hydraulic structures Lower river banks or floodplains to enlarge inundation and flooding Reconnect backwaters and wetlands Remove hard engineering structures that impede lateral connectivity Restore wetlands
Other
Project size	130 ha
Approximate costs	> 1 000 000 Euros
Synergy	Flood defense, recreation
Status	Realised
Period of realization	1999-2002
Evaluation	Hydromorphological and ecological changes
Implemented by	Dienst Landelijk Gebied