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Affiner la recherche Interroger des sources externesA contribution to the knowledge of the order Quercetalia ilicis Br.-Bl. ex Molinier 1934 of Sardinia / G. Bacchetta in Fitosociologia, vol 41 n° 1 (2004)
Titre : A contribution to the knowledge of the order Quercetalia ilicis Br.-Bl. ex Molinier 1934 of Sardinia Type de document : Article/Communication Auteurs : G. Bacchetta, Auteur ; S. Bagella, Auteur ; Edoardo Biondi, Auteur ; E. Farris, Auteur ; et al., Auteur Année de publication : 2004 Article en page(s) : pp 29 - 51 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Corse
[Termes IGN] phytosociologie
[Termes IGN] Quercus ilex
[Termes IGN] Quercus suber
[Termes IGN] Sardaigne
[Vedettes matières IGN] Ecologie forestièreRésumé : (auteur) A syntaxonomic revision of the holm-oak and cork-oak woods of Sardinia is here presented. The geological and phytoclimatic heterogeneity of the island and the wide ecological amplitude of the holm-oak, result in a large phytocoenotic diversity of the Sardinian holm-oak woods. These are referred to five associations: Pyro amygdaliformis-Quercetum ilicis, Prasio majoris-Quercetum ilicis ass. nova, Galio scabri-Quercetum ilicis, Saniculo europaeae-Quercetum ilicis ass. nova and Aceri monspessulani-Quercetum ilicis. From the phytogeographic point of view, in the subhumid-humid, meso-supramediterranean bioclimatic belts of Sardinia the presence of the association Galio scabri-Quercetum ilicis is found to be remarkable.
As far as the cork-oak woods are concerned, the associations Galio scabri-Quercetum suberis and Violo dehnhardtii-Quercetum suberis ass. nova are here reported.
The Sardinian-Corsican holm-oak and cork-oak woods define the western limit of the European central-Mediterranean alliance Fraxino orni-Quercion ilicis of which in Sardinia there are many characteristic and differential entities. In the Sardinian-Corsican holm-oak woods, however, there are endemic entities (Arum pictum ssp. pictum, Helleborus lividus ssp. corsicus, Digitalis purpurea var. gyspergerae, Quercus ichnusaePaeonia morisii) and other western-centred entities with little or no spread on the Italian peninsula (Galium scabrum, Clematis cirrhosa and Teucrium scorodonia). These entities allow the proposal that within the alliance Fraxino orni-Quercion ilicis can be recognised the new Sardinian-Corsican suballiance Clematido cirrhosae-Quercenion ilicisPrasio majoris-Quercetum ilicis ass. nova), which is endemic to the Sardinian and Corsican sectors of the Italo-Tyrrhenian Province. Consequently, the suballiance Fraxino orni-Quercenion ilicis, which is the typical of the alliance Fraxino orni-Quercion ilicis, has also been proposed.Numéro de notice : A2004-429 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : sans En ligne : http://www.scienzadellavegetazione.it/sisv/rivista/articoloCerca.do?idArticolo=1 [...] Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=80499
in Fitosociologia > vol 41 n° 1 (2004) . - pp 29 - 51[article]Documents numériques
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