Analisi multitemporale del paesaggio forestale della Provincia di Siena mediante l’utilizzo di cartografie storiche

摘要: Abstract: The analysis of land use and cover change has long been a key topic in landscape ecology. In particular, forest fragmentation is known to affect plant species composition diversity, thus threatening the integrity habitats. many areas Mediterranean basin, particular pattern reported, consisting increasing agriculture plain abandonment hilly mountain areas, with these latter undergoing process natural expansion. aim this paper examine expansion dynamics over whole province (Siena) central Italy, by comparing historical recent maps. map georeferenced digitized GIS environment classified 3 classes: deciduous, conifer mixed forests. Image processing techniques metrics have applied quantify changes patterns. Further, standard statistical descriptors investigate relationship between topographical factors. results show that resulted transformation according well defined topographic