FOREST FRAGMENTATION, URBANIZATION AND LANDSCAPE STRUCTURE ANALYSIS IN AN AREA PRONE TO DESERTIFICATION IN SARDINIA (ITALY)
Journal Title: Present Environment and Sustainable Development - Year 2010, Vol 4, Issue 4
Abstract
Land degradation and desertification processes represent a serious problem in many Italian regions, as in Sardinia (Italy), and in particular in the northwestern part of the island (Nurra region) where urbanization, overgrazing and fires have induced environmental degradation and rapid land-use change. The purpose of the study was to analyse in depth the forest fragmentation process and the landscape dynamics occurring over the 28-years period between 1972 and 2000 in an area prone to desertification in Sardinia. In this study, using satellite remote sensing, Geographical Information System and the software FRAGSTATS three Landsat satellite images were classified into seven land cover types and a stepwise indicator approach was adopted. The results have enabled the identification of areas in which specific spatial patterns occurred at some degree of intensity as degradation factors,thus explaining, at least in part, the sensitivity to desertification of specific areas.
Authors and Affiliations
Francesca Giordano, Marzia Boccone
Keywords
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