Abstract
Vulnerability to land degradation in Mediterranean Europe increased substantially in the last decades because of the latent interplay of climate and land-use change, progressive soil deterioration, and rising human pressure. The present study provides a quantitative evaluation of the intrinsic change over time in the level of vulnerability to land degradation over a representative Mediterranean area (Italy) using a normative indicator, the percentage of land classified as ‘critical’ in total area. This indicator derives from a spatially explicit elaboration of the ESA (Environmental Sensitive Area) Index (ESAI), a standard methodology of land classification considering different levels of vulnerability to degradation at a particularly refined spatial scale (1 km2). This indicator was calculated over a relatively long time interval (1960–2010) and aggregated at the geographical scale of administrative regions in Italy, a relevant domain in the implementation of the National Action Plan (NAP) to combat desertification and the adoption of individual Regional Action Plans (RAP). A significant – but spatially heterogeneous – increase in ‘critical’ land was observed in Italy, leading to distinctive dynamics in northern/central regions and southern regions. Climate aridity and anthropogenic pressure leveraged the sudden vulnerability in some marginal land of Northern Italy – a region classified as unexposed to desertification risk – paralleling the levels observed in some districts of Southern Italy, an ‘affected’ region to desertification risk. These results suggest a re-thinking of mitigation policies proposed in the Italian NAP and a redesign of the RAPs toward place-specific adaptation measures, especially in the ‘less exposed’ Northern Italian region.
Data availability
The authors certify that they have used only official statistics data freely provided by national (Italian) or European Union (EU) institutions in order to develop this study.
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Egidi, G., Bianchini, L., Cividino, S. et al. Toward a spatially explicit analysis of land vulnerability to degradation: a country-level approach supporting policy strategies. Environ Monit Assess 194, 375 (2022). https://doi.org/10.1007/s10661-022-10012-z
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DOI: https://doi.org/10.1007/s10661-022-10012-z