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Man-made secondary channels along the River Rhine (The Netherlands); results of post-project monitoring by Jennie H.E.J. Simons; Corian Bakker; Max H.I. Schropp; Luc H. Jans; Frank R. Kok; Rob E. Grift is a Environmental Science article available to read on EtoBox.

What is Man-made secondary channels along the River Rhine (The Netherlands); results of post-project monitoring about?

## Abstract Owing to river regulations in the past and intensive farming, the ecological value of the floodplains of the River Rhine in The Netherlands has decreased dramatically. One way to restore riverine biotopes is to create permanently flowing channels in the floodplain. Along the River Waal, the main branch of the Lower River Rhine, two such secondary channels have been created since 1994. A post‐project monitoring programme of 5 years was set up, which included hydrological, morphological and ecological parameters. This article focuses on the monitoring of aquatic macrophytes, aquatic macroinvertebrates, fish and wading‐birds. The results show that man‐made, excavated secondary channels function as a biotope for riverine species including the more demanding rheophilic species. The demands for shipping and protection against flooding on the River Waal cause constraints on secondary channels. Despite these constraints there is still enough space for hydromorphological processes to create new habitats in secondary channel 1, near Opijnen. The space for hydromorphological processes is less in secondary channel 2, near Beneden‐Leeuwen. The density and the number of (rheophilic)

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Author

Jennie H.E.J. Simons; Corian Bakker; Max H.I. Schropp; Luc H. Jans; Frank R. Kok; Rob E. Grift

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0886-9375)

Published

2001

Language

EN

Field

Environmental Science (Physical Sciences)