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Title: Economic Evaluation of Posidonia oceanica Ecosystem Services along the Italian Coast
Authors: Scanu, Sergio
Piazzolla, Daniele
Bonamano, Simone 
Penna, Marina
Piermattei, Viviana 
Madonia, Alice
Frattarelli, Francesco Manfredi
Mellini, Simone
Dolce, Tania
Valentini, Riccardo
Coppini, Giovanni
Fersini, Giorgio
Marcelli, Marco
Issue Date: 2022
This study reports the quantification and analysis of the ecosystem
services (ESs) value of Posidonia oceanica (L.) Delile (1813) meadows in
Italy (Liguria, Tuscany, Latium, Campania, Calabria, Apulia, Sardinia,
and Sicily regions). The ES evaluation method of P. oceanica meadows
applied in this study was obtained from a previous study in which the
site-specific approach for the definition of the benefits and services
was applied. The distribution of P. oceanica and the ESs economic value
have been managed through an open-source geographic information system
(QGIS), focusing on five essential ESs: carbon sequestration,
bioremediation, oxygen production, erosion protection, and food
production. The average value of the ESs obtained on the Italian
national scale is euro21,660.5 ha(-1) yr(-1), which is comparable with
the values reported in the international literature concerning P.
oceanica ESs. The results of this study confirm that the economic
evaluation of ESs is an essential tool for the management of the coastal
marine environment, especially considering the modularity of the applied
approach. The value of the total benefits, considering the entire
extension of the national P. oceanica meadows, represents significant
value with respect to the Italian gross domestic product, and the
individual budgets of the considered Italian regions.
ISSN: 1937-0709
DOI: 10.3390/su14010489
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
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