Additive trees in the analysis of community data

Podani, J. and Csontos, P. and Tamás, J. (2000) Additive trees in the analysis of community data. Community Ecology, 1 (1). pp. 33-41. ISSN 1585-8553

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Abstract

The paper advocates a more extensive use of additive trees in community ecology. When the distance/dissimilarity coefficient is selected carefully, these trees can illuminate structural aspects that are not obvious otherwise. In particular, starting from squared distances based on presence/absence data, the resulting trees approximate relationships in species richness, a feature not available through other graphical techniques. The construction of additive trees is illustrated by three actual examples, representing different circumstances in the analysis of grassland community data.

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