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Eutrophication and occurrence ofOscillatoria agardhii Gom. in the lakes bordering on Flevoland

Eutrophication and occurrence ofOscillatoria agardhii Gom. in the lakes bordering on Flevoland The Drontermeer (600 ha) and the Veluwemeer (3400 ha) were separated from Lake IJssel by dikes and locks in 1957. The Wolderwijd (2600 ha), the Eemmeer (1900 ha), and the Gooimeer (2400 ha) were formed in the same way in 1967. The Drontermeer and the Veluwemeer are in open connection with each other. Shiplocks separate these lakes from the adjacent lakes. The Wolderwijd is separated from the Veluwemeer and the Eemmeer by locks. The Eemmeer and the Gooimeer are in open connection with Lake IJssel. Average depth of the lakes is about 1.50 m. A ship canal with a width of 100 m and a depth of 4 m has been dug through the lakes. Refreshment time for all lakes is about two months. The lakes are polluted by domestic and dairy wastes. The Wolderwijd is polluted only by dairy wastes. The phosphorus load of the Drontermeer and the Veluwemeer is about 4 to 5 g P/m2/year; of the Wolderwijd, less than 3 g P; and of the Eemmeer and Gooimeer, 20 to 30 g P/m2/year. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Ecology Springer Journals

Eutrophication and occurrence ofOscillatoria agardhii Gom. in the lakes bordering on Flevoland

Aquatic Ecology , Volume 9 (2) – Nov 5, 2005

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Publisher
Springer Journals
Copyright
Copyright
Subject
Life Sciences; Freshwater & Marine Ecology; Ecosystems
ISSN
1386-2588
eISSN
1573-5125
DOI
10.1007/BF02257637
Publisher site
See Article on Publisher Site

Abstract

The Drontermeer (600 ha) and the Veluwemeer (3400 ha) were separated from Lake IJssel by dikes and locks in 1957. The Wolderwijd (2600 ha), the Eemmeer (1900 ha), and the Gooimeer (2400 ha) were formed in the same way in 1967. The Drontermeer and the Veluwemeer are in open connection with each other. Shiplocks separate these lakes from the adjacent lakes. The Wolderwijd is separated from the Veluwemeer and the Eemmeer by locks. The Eemmeer and the Gooimeer are in open connection with Lake IJssel. Average depth of the lakes is about 1.50 m. A ship canal with a width of 100 m and a depth of 4 m has been dug through the lakes. Refreshment time for all lakes is about two months. The lakes are polluted by domestic and dairy wastes. The Wolderwijd is polluted only by dairy wastes. The phosphorus load of the Drontermeer and the Veluwemeer is about 4 to 5 g P/m2/year; of the Wolderwijd, less than 3 g P; and of the Eemmeer and Gooimeer, 20 to 30 g P/m2/year.

Journal

Aquatic EcologySpringer Journals

Published: Nov 5, 2005

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