Opijnen - Side Channel

General
River Characterisation
River typology
Hydromorphological quality elements
	Quantity and dynamics of water flow; Structure of the riparian zone; Structure of the floodplain;
Biological quality elements
	Macrophytes and phytobenthos; Benthic invertebrates; Fish;
Ecosystem Services
EU Directives
Pressures
	Channelisation / cross section alteration; Alteration of riparian vegetation; Alteration of instream habitat; Embankments, levees or dikes;
Measures
	Lower river banks or floodplains to enlarge inundation and flooding; Remove or modify in-channel hydraulic structures; Develop riparian forest; Reconnect backwaters and wetlands;
Other

Key features of the case study

General
Country	NL
River Name	Waal
Site Name	Opijnen - Side Channel
River Characterisation

River typology
Location (Lat Lon)	51.8262299763673, 5.31103134155273
Altitude	lowland: < 200 m
Catchment area	very large: > 10000 km2
Geology	Siliceous
National code/ River type name	R7
Hydromorphological quality elements
Quantity and dynamics of water flow Structure of the riparian zone Structure of the floodplain
Biological quality elements
Macrophytes and phytobenthos Benthic invertebrates Fish
Ecosystem Services

EU Directives

Pressures
Channelisation / cross section alteration Alteration of riparian vegetation Alteration of instream habitat Embankments, levees or dikes
Measures
Lower river banks or floodplains to enlarge inundation and flooding Remove or modify in-channel hydraulic structures Develop riparian forest Reconnect backwaters and wetlands
Other
Project size	10 ha
Approximate costs
Synergy	Navigation
Status	Realised
Period of realization	1994
Evaluation	Ecological change
Implemented by	Rijkswaterstaat