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The Influence of short-term land use change on soil evolution in the centre-south coastal areas of Sardinia

Capra, Gian Franco and De Riso, Stefania and Buondonno, Andrea and Vacca, Sergio (2008) The Influence of short-term land use change on soil evolution in the centre-south coastal areas of Sardinia. In: Gabriëls, Donald and Cornelis, Wim M. and Eyletters, Murielle and Hollebosch, Patrick (eds). Combating desertification: monitoring, adaptation and restoration strategies, Belgium, UNESCO Chair of Eremology, Ghent University, and Belgian Development Cooperation. p. 74-81. ISBN 978-90-5989-271-2. Book Section.

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The land use change in short-term (time and space) in the Mediterranean context can be induced by phenomena like destruction of the autochthonous plant species, land abandonment, overgrazing, fire, urbanization (above all for touristic purpose), etc. These phenomena can lead to soil’s degradation conditions causing a loss of physical and biological productivity and the consequent emphasis in desertification processes. Desertification is considered one of the biggest environmental problems in Mediterranean areas (ICCD, 1994), and Sardinia is one of the most affected regions in Europe (UNEP, 1992; Imeson and Emmer, 1992). In Sardinia changes happened during the last decades (such as industrialization, coastal urban areas expansion, etc.) have often resulted in repercussions on the environmental ecosystems and foremost on soils. An important decrease of fertile lands and a consequent increase of marginal and unproductive areas have been observed; this fact has taken to manifest environmental and economic repercussions. In Sardinia such degradation phenomena are particularly evident in coastal areas, where the uncontrolled urbanization and the natural touristic vocation represent relevant impact types. In fact, in 1897 km of coastal lands (500 km are represented by dunal systems) 40% is subjected to deep erosion phenomena, that often are caused by wrong management actions. For these reasons the knowledge of their nature and expansion is of primary importance to carry out correct choices in land use. This work shows an example of a comparative investigation on coastal ecosystems particularly under human pressure. The investigated areas are located along the Centre–North coast of Sardinia. Particularly they concern: a) soils on limestone formations, forestry live oak cover and pasture land use (goat and swine); b) soils on fixed dunes, reforestation with pine and touristic-recreational land use foremost. In the areas several soil profiles have been realized to investigate the influence of the land use change, occurring in short-term in both places, on the evolution and degradation processes of soils.

Item Type:Book Section
ID Code:9156
Uncontrolled Keywords:Soil degradation, environmental econsystem, Mediterranean context, Sardinia
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/14 Pedologia
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze botaniche, ecologiche e geologiche
Publisher:UNESCO Chair of Eremology, Ghent University, and Belgian Development Cooperation
Copyright Holders:© 2008 by UNESCO Chair of Eremology, and Belgian Development Cooperation
Publisher Policy:Depositato per gentile concessione dell'UNESCO Chair of Eremology
Deposited On:22 Jul 2013 11:09

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