The Impact of Land Use/Land Cover Changes on Land Degradation Dynamics: A Mediterranean Case Study

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• 作者：S. Bajocco (1) sofia.bajocco@entecra.it
  A. De Angelis (1)
  L. Perini (1)
  A. Ferrara (2)
  L. Salvati (3)
• 关键词：Land sensitivity – ; Land management – ; Coastal area – ; Multi ; temporal land cover maps – ; Sardinia – ; Italy
• 刊名：Environmental Management
• 出版年：2012
• 出版时间：May 2012
• 年：2012
• 卷：49
• 期：5
• 页码：980-989
• 全文大小：319.6 KB
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• 作者单位：1. Unit for Climatology and Meteorology in Agriculture (CRA-CMA), Italian National Agricultural Research Council, Via del Caravita 7a, 00186 Rome, RM, Italy2. Department of Crop Science, University of Basilicata, Via dell鈥橝teneo Lucano, Potenza, PZ, Italy3. Centre for Soil-Plant Relationships (CRA-RPS), Italian National Agricultural Research Council, Via della Navicella 2-4, 00184 Rome, RM, Italy
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environmental Management
  Ecology
  Nature Conservation
  Atmospheric Protection, Air Quality Control and Air Pollution
  Forestry Management
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  
• 出版者：Springer New York
• ISSN：1432-1009

文摘

In the last decades, due to climate changes, soil deterioration, and Land Use/Land Cover Changes (LULCCs), land degradation risk has become one of the most important ecological issues at the global level. Land degradation involves two interlocking systems: the natural ecosystem and the socio-economic system. The complexity of land degradation processes should be addressed using a multidisciplinary approach. Therefore, the aim of this work is to assess diachronically land degradation dynamics under changing land covers. This paper analyzes LULCCs and the parallel increase in the level of land sensitivity to degradation along the coastal belt of Sardinia (Italy), a typical Mediterranean region where human pressure affects the landscape characteristics through fires, intensive agricultural practices, land abandonment, urban sprawl, and tourism concentration. Results reveal that two factors mainly affect the level of land sensitivity to degradation in the study area: (i) land abandonment and (ii) unsustainable use of rural and peri-urban areas. Taken together, these factors represent the primary cause of the LULCCs observed in coastal Sardinia. By linking the structural features of the Mediterranean landscape with its functional land degradation dynamics over time, these results contribute to orienting policies for sustainable land management in Mediterranean coastal areas.