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Webbia
Journal of Plant Taxonomy and Geography
Volume 49, 1995 - Issue 2
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Original Articles

La vegetazione dell'area Pantaleo-Gutturu Mannu-Punta Maxia-Monte Arcosu nel Sulcis-Iglesiente (Sardegna sud-occidentale)

The vegetation of Pantaleo-Gutturu Marmu-Punta Maxia-Monte Arcosu district (Sulcis, south-western Sardinia)

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Pages 141-177 | Accepted 21 Jun 1993, Published online: 14 Apr 2013
 

Riassunto

Nell'area Santadi-Monte Arcosu sono state individuate 14 associazioni, tre delle quali (Phagnalo-Psoraleetum morisianae, Pistacio-Juniperetum oxycedri ssp. oxycedri e Osmuttdo-Alnion glutinosae dell'C 20-Ceratonion nelle parti più basse ed Asplenio- Quercetum ilicis del Quercioti ilicis in quelle più elevate, con l'inserimento del Vibumo-Quercetum ilicis che qui riveste carattere di transizione in una fascia situata a circa 400–700 m s.l.m.

Fino al secolo scorso tutta l'area era occupata da una foresta mediterranea sempreverde; in seguito quest'area è stata fortemente degradata da disboscamenti, incendi e pascolo. Oggi le specie legnose sono in uno stadio di vigorosa ripresa e la parte di gran lunga prevalente della superficie è occupata da associazioni prossime al climax.

From the Pantaleo-M. Arcosu district (SW Sardinia) 14 associations are described, 4 of them (Phagnalo-Psoraleetum morisianae, Helichryso-Teucrietum mari, Pistacio-Juniperetum oxycedri and Osmundo-Alnetum glutinosae) for the first time. Prevailing vegetation types in this area are macchia-associations: in lower parts the Pistacio-Juniperetum oxycedri belonging to the Oleo-Ceratonion, in the higher ones the Asplenio-Quercetum ilicis (Quercion ilicis) a transiction belt, between about 400–700 m asl shows the Vibumo-Quercetum ilicis. Up to the last century, the whole study-area was covered by a dense evergreen mediterranean forest which has been modified and partially destroyed by cutting, fire and intense pasture. Nowadays, due also to the protection actions by regional forest authorithies, the woody species show an increasing vigour and are prevailing again. These associations at present can be interpreted as climaxnear vegetation types.

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