Supporter

Holemans Niederrhein GmbH

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The water body in the eastern part of the project area originated in the excavation of gravel and sand by the Holemanns Niederrhein GmbH.

The excavation, named Ravenpollswelle, started in April 1967. In an area of 21.5 hectares 4 mio. tons of gravel and sand were extracted. At the end of the 70s the extraction was halted and the first groin fields were filled. 

Ravenpollswelle Mai 1967 Ravenpollswelle Okt. 1983 web
  Ravenpollswelle May 1967   Ravenpollswelle October 1983

 

In 1986 the extraction was started again and in 1987 extraction and recultivation were finished. In the following years a near-natural alluvial forest established itself. In 1985 the Emmericher Ward became a nature reserve.

The Holemanns Niederrhein GmbH provided its property for the construction of the secondary channel.

Ravenpollswelle Sept. 1986 web           Ravenpollswelle Juli 1994 web
  Ravenpollswelle September 1986   Ravenpollswelle July 1994

 

                                                                                 

                  

Partner:NABU Niederrhein
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