Canonical non-symmetrical correspondence analysis : an alternative in constrained ordination
Willems, Priscila M. (Instituto Nacional de Tecnología Agropecuaria (Argentina))
Villardon, Galindo
Purificación, M. (Universidad de Salamanca)

Date:	2008
Abstract:	Canonical non-symmetrical correspondence analysis is developed as an alternative method for constrained ordination, relating external information (e. g. , environmental variables) with ecological data, considering species abundance as dependant on sites. Ordination axes are restricted to be linear combinations of the environmental variables, based on the information of the most abundant species. This extension and its associated unconstrained ordination method are terms of a global model that permits an empirical evaluation of the impact that the environmental variables have on the community composition. Scores, contributions, qualities of representation, interpretation of dispersion graphs and an application to real vegetation data are presented.
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Biplot ; Canonical correspondence analysis ; Non-symmetrical correspondence analysis ; Species-environment relationship
Published in:	SORT : statistics and operations research transactions, Vol. 32, Núm. 1 (2008) , p. 93-112, ISSN 2013-8830

Adreça alternativa: https://raco.cat/index.php/SORT/article/view/144065

20 p, 609.5 KB

The record appears in these collections:
Articles > Published articles > SORT
Articles > Research articles