The Lygeo-Stipetea class in Sicily.

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Abstract

Basing on literature data and unpublished relevés from Sicily, a survey of the syntaxa belonging to the class Lygeo-StipeteaRivas-Martínez 1978 is presented. This perennial vegetation is characterized by the dominance of big caespitose hemicryptophytes,and it is widely distributed in Sicily from the sea level up to 1500 m a.s.l. The class is represented in Sicily by two orders, floristicallyand ecologically well differentiated: Lygeo-Stipetalia, including the sole alliance Moricandio-Lygeion exclusively of clayey substrates,and Hyparrhenietalia hirtae, including five alliances (Hyparrhenion hirtae, Avenulo cincinnatae-Ampelodesmion mauritanici,Thero-Brachypodion ramosi, Bromo-Oryzopsion miliaceae, and Arundion collinae) occurring on various substrates. Within the class, 50 associationshave been recognized. To support the syntaxonomic proposal, a multivariate numerical analysis, considering literatureand personal data, has been performed. Nomenclature, floristic settlement, ecology, syndynamism and chorology are examined foreach syntaxon.
Lingua originaleEnglish
pagine (da-a)57-84
Numero di pagine27
RivistaAnnali di Botanica
Volume2010
Stato di pubblicazionePublished - 2010

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