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Hyporheic zone

The area that immediately underlies a riverbed, varying in depth depending on geologic structure, composition, and the size of the river bottom. Organisms can be quite plentiful in this zone, at times even more abundant than those inhabiting the river bottom itself, with oxygen being the limiting factor.

Terms, Definitions, and Concepts: Biology, Ecology, Geology, Hydrology, Science, Water

Added: Thu Sep 11 2008

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