La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	The concept and measurement of importance: a comment on Rees et al. 2012
Auteurs :	Rob Brooker, Auteur ; Zaal Kikvidze, Auteur ; Georges Kunstler, Auteur ; Pierre Liancourt, Auteur ; Merav Seifan, Auteur
Type de document :	Article
Dans :	Journal of Ecology (101(6) NOV 2013)
Article en page(s) :	1369-1378
Langues:	Anglais
Résumé :	The importance of competition has been defined as the impact or role of competition relative to the total impact of the environment, and the intensity of competition is its absolute impact. Understanding the distinction has been proposed as key in reconciling long-running ecological debates. An index of competition importance, C-imp, has been used in a number of recent studies. Rees, Childs (ii) analytical approaches that avoid the statistical problems associated with ratios whilst enabling us to assess the shape of the severity-importance relationship; (iii) new data to assess the generality of proposed relationships. Studies incorporating these elements will take forward our understanding of the role of competition in plant communities.

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