Statistical analysis of the results of multivariate ordination as exemplified by data on river benthic communities

Statistical analysis of the results of multivariate ordination as exemplified by data on river... The use of different methods of multivariate ordination for the analysis of the distribution pattern of benthic habitats along the gradient of a river ecosystem is considered. Problems of determination of homogenous segments of a stream are discussed using macrozoobenthos communities of small rivers of the lower Volga Basin as examples. A method for estimating the ordination quality criterion based on comparison with the null model and the use of bootstrap procedures is described. The dependence of statistical inferences on the level of detail of the original data, hydrobiological survey parameters, and similarity metric equations is analyzed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Statistical analysis of the results of multivariate ordination as exemplified by data on river benthic communities

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413612010146
Publisher site
See Article on Publisher Site

Abstract

The use of different methods of multivariate ordination for the analysis of the distribution pattern of benthic habitats along the gradient of a river ecosystem is considered. Problems of determination of homogenous segments of a stream are discussed using macrozoobenthos communities of small rivers of the lower Volga Basin as examples. A method for estimating the ordination quality criterion based on comparison with the null model and the use of bootstrap procedures is described. The dependence of statistical inferences on the level of detail of the original data, hydrobiological survey parameters, and similarity metric equations is analyzed.

Journal

Russian Journal of EcologySpringer Journals

Published: Mar 27, 2012

References

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