Multivariate Analysis of Ecological Data using CANOCO 5 by Petr Šmilauer & Jan Lepš

Multivariate Analysis of Ecological Data using CANOCO 5 by Petr Šmilauer & Jan Lepš

Author:Petr Šmilauer & Jan Lepš [Šmilauer, Petr]
Language: eng
Format: epub
Publisher: Cambridge University Press
Published: 2014-04-30T00:00:00+00:00


10.4 Hierarchical analysis of community variation

If we study the variation in a biotic community at several spatial or temporal scales, we must take into account the hierarchical arrangement of the individual scale levels when analysing the data. If our sampling design allows us to do so, we may ask questions that involve the hierarchical nature of our data:

1. How large are the fractions of the total community variation that can be explained at the individual levels?

2. Is it possible to identify the levels that influence significantly the community composition and what are the differences at a particular level?



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