The formation of wood jams in Kamchatka rivers and their role in juvenile fish distribution

The formation of wood jams in Kamchatka rivers and their role in juvenile fish distribution In piedmont rivers of the Kamchatka Peninsula, wood jams play a major role in channel formation and largely determine the density distribution of juvenile fish along the river, offering them convenient habitats in areas with rapid current. It has been found that juvenile fish density in wood jams is 1.5–3 times higher than in adjoining open shoals. An analysis of data on the location and morphology of more than 200 wood jams has shown that their occurrence frequency and size depend mainly on river size (flow discharge), the type and morphology of river channel, and the type of tree stand in the floodplain. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

The formation of wood jams in Kamchatka rivers and their role in juvenile fish distribution

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413610061013
Publisher site
See Article on Publisher Site

Abstract

In piedmont rivers of the Kamchatka Peninsula, wood jams play a major role in channel formation and largely determine the density distribution of juvenile fish along the river, offering them convenient habitats in areas with rapid current. It has been found that juvenile fish density in wood jams is 1.5–3 times higher than in adjoining open shoals. An analysis of data on the location and morphology of more than 200 wood jams has shown that their occurrence frequency and size depend mainly on river size (flow discharge), the type and morphology of river channel, and the type of tree stand in the floodplain.

Journal

Russian Journal of EcologySpringer Journals

Published: Jan 28, 2011

References

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