Search results for "Biological Conservation"

I grandi alberi dei Nebrodi

2012

In questo libro sono presentati i risultati di una ricerca portata avanti dagli Autori, botanici del Dipartimento di Biologia ambientale e Biodiversità dell’Università di Palermo. L’indagine ha riguardato sia ambienti di tipo forestale sia di tipo agricolo tradizionale ed ha messo in luce un ricco patrimonio arboreo di tipo monumentale. Significative sono le immagini relative ai grandi aceri, ai ragguardevoli individui di due specie endemiche dei Nebrodi (Pyrus vallis-demonis e Malus crescimannoi) e al faggio di Fago scuro che rappresenta il patriarca di tutti i faggi d’Italia. Dopo il 150° dell’Unità d’Italia non poteva mancare il Grande Pino piantato in concomitanza dello sbarco di Giusep…

Mapping floristic diversity: a case study in Sicily

2021

This paper presents an operational methodology to map and analyze the floristic richness of “target species” in Natura 2000 sites, making use of G.I.S. tools and procedures. A Floristic diversity map (scale 1:50,000), covering an area of 612 km2, was produced by a team of experts as part of the management plans of “Madonie Mountains” Sites of Community Importance (SCIs), located in Sicily (Italy). The primary grid map represents the richness of “target species”, which include species of Community interests, taxa on the National Red List, endemic and threatened, species protected under International Conventions, taxa of phytogeographic importance. Secondary data frames include a three-dimens…

Emergenze floristiche nella provincia di Trapani

2011

Contribution to the knowledge of Mediterranean wetland vegetation: Lemnetea and Potamogetonetea classes in Western Sicily

2021

The freshwater aquatic vegetation of the Lemnetea and Potamogetonetea classes in Western Sicily was surveyed and analyzed. 85 lakes and small pools were investigated collecting 147 phytosociological unpublished relevés to integrate the very scarce available data (only 3 relevés). By applying statistical analyses on abundances data and on the bases of physiognomy and dominant species, two alliances (Lemnion minoris and Stratiotion) and four different coenoses have been identify for the Lemnetea class; while 11 associations, assigned to two orders (Potamogetonetalia pectinati and Callitricho hamulatae-Ranunculetalia aquatilis) and four alliances (Potamogetonion, Nymphaeion albae, Ranunculion …