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Fitosociologia 41 (1) 2004

pag. 67-75: A phytosociological study of the Ostrya carpinifolia Scop. woods in Sardinia (Italy)

G. Bacchetta1, G. Iiriti1, L. Mossa1, C. Pontecorvo1 & G. Serra2

1Università degli Studi di Cagliari, Dipartimento di Scienze Botaniche, Centro Conservazione Biodiversità (CCB), viale Sant’Ignazio da Laconi, 13, I-09123 Cagliari; e-mail: bacchet@unica.it; lucaiiriti@tiscali.it; mossa@unica.it; la_zappa@libero.it

2Università degli Studi di Cagliari, Dipartimento di Scienze della Terra, via Trentino 51, I-09123 Cagliari; e-mail: lserra@tiscalinet.it

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It is here presented a phytosociological study about the Ostrya carpinifolia Scop. woods of Sardinia, defining them in synphytosociological, synecological and synchorological terms. The analysis of this vegetation allowed the identification of a new association, named Cyclamino repandi-Ostryetum carpinifoliae. Within this association, three subassociations can be identified, the presence of which depends on the pedoclimatic conditions, the floristic composition and the synchorology. The typical subassociation, which can be found in the eastern Tacchi-region, has been named paeonietosum morisii, while the subassociation galietosum scabri is characteristic of the western part of such region, and the subassociation fraxinetosum orni is localised in the southern part of the Golfo di Orosei.
From the synphytosociological point of view, these coenoses represent the head of mesophilous special series, characterising of the subhumid and humid mesomediterranean bioclimatic belts in chain contact with the carbonatic climatophilous main series of Sardinia.
At to the syntaxonomy, we propose to include the above-mentioned formations within the suballiance Paeonio morisii-Quercenion ichnusae and alliance Pino calabricae-Quercion congestae, referred to the order Quercetalia pubescenti-petraeae and to the class Querco roboris-Fagetea sylvaticae.


Ostrya carpinifolia, Paeonio morisii-Quercenion ichnusae, phanerophytic vegetation, phytosociology, Querco roboris-Fagetea sylvaticae, Sardinia, synchorology