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A Phytosociological study of the deciduous oak woods of Sardinia (Italy)

Bacchetta, Gianluigi and Biondi, Edoardo and Farris, Emmanuele and Filigheddu, Rossella Speranza and Mossa, Luigi (2004) A Phytosociological study of the deciduous oak woods of Sardinia (Italy). Fitosociologia, Vol. 41 (1), p. 53-65. ISSN 1125-9078. Article.

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Abstract

We present here the results from a phytosociological and synchorological study of the deciduous oak woods of Sardinia. This vegetation analysis has allowed the individuation of three new associations: Lonicero implexae-Quercetum virgilianae, Ornithogalo pyrenaici-Quercetum ichnusae and Glechomo sardoae-Quercetum congestae. The Lonicero implexae-Quercetum virgilianae association includes the woods on calcareous substrata spread throughout Northern Sardinia, which can occasionally be found in southern areas; the first of these are rich in mesophilous species and are attributed to the subassociation cyclaminetosum repandi, while the others are referred to quercetosum virgilianae. The Ornithogalo pyrenaici-Quercetum ichnusae association, more widely distributed in Central-Northern Sardinia, includes the climatophilous deciduous woods that are found on lithological substrata of a non-carbonatic nature, and in particular, on andesites, trachytes and metarenites. The typical aspect is referred to the subassociation cytisetosum villosi, while the subassociation ilicetosum aquifolii includes the more mesophilous woods on basaltic substrata. The Glechomo sardoae- Quercetum congestae association always includes the woods found on the non-carbonatic substrata in the higher altitude areas with an oceanic pluviseasonal temperate bioclimate. Of this, the subassociation quercetosum congestae, on the granite areas, and oenanthetosum pimpinelloidis, on those metamorphic and of basalt, are proposed. At the higher hierarchical levels, the association Lonicero implexae-Quercetum virgilianae is referred to the endemic Sardinian-Corsican suballiance Clematido cirrhosae-Quercenion ilicis, of the alliance Fraxino orni-Quercion ilicis, while for the other associations the new suballiance Paeonio morisii-Quercenion ichnusae, (holotypus: Glechoma sardoae-Quercetum congestae ass. nova) particular to the Sardinian biogeographic subprovince, is proposed, of the alliance Pino calabricae-Quercion congestae, the order Quercetalia pubescentipetraeae, and the class Querco roboris-Fagetea sylvatica.

Item Type:Article
ID Code:3413
Status:Published
Refereed:Yes
Uncontrolled Keywords:Deciduous oak woods, Paeonio morisii-Quercenion ichnusae, phytosociology, Quercetea ilicis, Querco roboris-Fagetea sylvaticae, Sardinia, synchorology, syntaxonomy
Subjects:Area 05 - Scienze biologiche > BIO/03 Botanica ambientale e applicata
Area 05 - Scienze biologiche > BIO/02 Botanica sistematica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze botaniche, ecologiche e geologiche
Publisher:Società italiana di fitosociologia
ISSN:1125-9078
Publisher Policy:Depositato per gentile concessione della Società italiana di scienza della vegetazione
Deposited On:15 Jan 2010 16:48

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