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Article: Ecology, Fresh-Water
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- Water:Science and Issues
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CopyrightCOPYRIGHT 2003 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Ecology, Fresh-Water
Streams, lakes, and wetlands differ profoundly from one another in the conditions they provide as habitats for biological communities. Fundamental characteristics of standing water (a lentic system) or flowing water (a lotic system), the dynamics of its interaction with adjacent land and vegetation, and seasonal fluctuations in water conditions determine characteristic biological assemblages.
Streams
The most apparent feature of streams is flowing water. The
geomorphology
and
topography
through which streams flow, their channel steepness, the variability in stream-bottom
substrates
, and the availability of woody debris are among the natural controls that ...
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