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LANDSCAPE CHANGES IN ROME, ITALY
F. Attorre, A. Rossetti, B. Sbrega and F. Bruno
Vol. 13, No. 2 (Summer 1998), pp. 57-64
Published by: Akadémiai Kiadó
Stable URL: http://www.jstor.org/stable/43461216
Page Count: 8
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Various landscape pattern indices were used to quantify landscape spatial structure and historical modifications in the north-west sector of Rome, Italy. Historical land-use data were obtained from interpreted aerial photos dating from 1944, 1974 and 1991. The maps were digitized and a series of structural, shape, change and pattern indices were calculated to quantify changes of the landscape matrix over the past fifty years. One feature of note is a progressive increase in forest cover over time, from 4.3% in 1944 to 8.3% by 1991. This increase is attributed to natural successional processes that occurred with changing socio-economic and geomorphological factors. Our analyses also revealed some redundancy in landscape measures, such as the dominance and contagion indices. The analyses also demonstrated the need to examine many landscape indices simultaneously in order to obtain sufficient information regarding the development of a particular land use type as well as the landscape as a whole. We conclude that further research is needed to more fully examine the relationship between measured landscape indices and underlying ecological functions and processes at the landscape scale.
Coenoses © 1998 Akadémiai Kiadó