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Article

A Multidisciplinary Approach to Posidonia oceanica Detritus Management (Port of Sperlonga, Italy): A Story of Turning a Problem into a Resource

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Department of Life Science, Via L. Giorgeri 10, University of Trieste, 34127 Trieste, Italy
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CoNISMa, Piazzale Flaminio, 9, 00196 Roma, Italy
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Bioscience Research Center (BsRC), Via Aurelia Vecchia, 32, 58015 Orbetello, Italy
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Q&A s.r.l. Società Tra Professionisti, Via Siena, 2, 00161 Roma, Italy
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Porto di Sperlonga s.r.l., Via Del Porto SNC, 04029 Sperlonga, Italy
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CERTEMA Scarl, S.P. del Cipressino km 10, 58044 Cinigiano, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Guangyi Wang
Water 2022, 14(18), 2856; https://doi.org/10.3390/w14182856
Received: 14 August 2022 / Revised: 4 September 2022 / Accepted: 8 September 2022 / Published: 13 September 2022
(This article belongs to the Section Oceans and Coastal Zones)
Ports are affected by a high rate of sedimentation that requires frequent dredging of the seabed to restore bathymetric levels. In some cases, the sediments consist of a large amount of leaves of phanerogams (e.g., P. oceanica) that must be treated differently from what is required by the Italian law on sediments (Ministerial Decree No. 173/2016), since soils cannot be treated either as sediment or as waste. About one meter of the sediment cores collected in the Port of Sperlonga consisted of organic waste derived from a different stage of seagrass decomposition. To optimize the management, the decomposed organic detritus was characterized from physical-chemical (content of nutrient and pollutants), ecotoxicological and mechanical (microtensile, microscopic structure) points of view, to define different management solutions for the final disposal. The results of this study describe the characteristics of this type of organic detritus, highly present in Mediterranean coastal ecosystems, and allow a better definition of different possible solutions to valorize this resource instead of disposing it in an organic waste landfill. The search for environmentally friendly options for waste management is of particular interest in terms of the green economy, and the reduction of CO2 emissions as an indirect effect obtained by improving waste recycling. View Full-Text
Keywords: Posidonia oceanica leaves; sedimentary organic detritus; sediment dredging (M.D. 173/2016); waste management; recycling; waste valorization Posidonia oceanica leaves; sedimentary organic detritus; sediment dredging (M.D. 173/2016); waste management; recycling; waste valorization
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MDPI and ACS Style

Renzi, M.; Guerranti, C.; Anselmi, S.; Provenza, F.; Leone, M.; La Rocca, G.; Cavallo, A. A Multidisciplinary Approach to Posidonia oceanica Detritus Management (Port of Sperlonga, Italy): A Story of Turning a Problem into a Resource. Water 2022, 14, 2856. https://doi.org/10.3390/w14182856

AMA Style

Renzi M, Guerranti C, Anselmi S, Provenza F, Leone M, La Rocca G, Cavallo A. A Multidisciplinary Approach to Posidonia oceanica Detritus Management (Port of Sperlonga, Italy): A Story of Turning a Problem into a Resource. Water. 2022; 14(18):2856. https://doi.org/10.3390/w14182856

Chicago/Turabian Style

Renzi, Monia, Cristiana Guerranti, Serena Anselmi, Francesca Provenza, Massimo Leone, Gabriele La Rocca, and Andrea Cavallo. 2022. "A Multidisciplinary Approach to Posidonia oceanica Detritus Management (Port of Sperlonga, Italy): A Story of Turning a Problem into a Resource" Water 14, no. 18: 2856. https://doi.org/10.3390/w14182856

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