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Instream Geomorphological Features as Massive Natural Filters in Rivers: Ecolgical Consequences and Restration Efforts in Regulated Rivers Below Dams

Author(s): Giyoung Ock; Yasuhiro Takemon; Tetsuya Sumi; David Gaeuman; G. Mathias Kondolf

Linked Author(s): Tetsuya Sumi

Keywords: No Keywords

Abstract: We have investigated ecological roles of instream features such as riffle-pool sequences and gravel bars indiverse river channels, especially from the empirical perspectives of habitat diversity and organic matter interactions. We compiled a series of field-based studies undertaken in diverse conditions of river channels in three countries, and found that instream riffles and gravel bars in rivers should be massive natural filters for self-purification and for primary energy resources to the river ecosystem by retaining organic matters.


Year: 2018

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