The syntaxonomic position of Santolina etrusca - multivariate analysis

Claudia Angiolini, Vincenzo de Dominicis

Abstract


The results of multivariate analysis of the syntaxonomic role of Santolina etrusca (Lacaita) Marchi et D'Amato, a species endemic to Tyrrhenian central Italy, are reported. Classification was performed by polythetic divisive analysis using two-way indicator species (TWINSPAN). Ordination analysis was performed by correspondence analysis (CA). Classification and ordination showed that although Santolina etrusca grows prevalently in communities of Rosmarinetalia Br.-Bl. ex Molinier 1934, it is ecologically correlated and associated with entities of unstable nitrophilous communities subject to frequent disturbance belonging to an order, Helichryso-Santolinetalia Peinado and Martinez-Parras 1984, with western eumediterranean distribution. However it does not have a well defined sociological role, as it is constant in all community groups.

Keywords


Santolina etrusca; syntaxonomy; central Italy; TWINSPAN; CA

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DOI: https://doi.org/10.5586/asbp.1999.008

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Publisher
Polish Botanical Society