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Article

Sediment Carbon Variations in the Venice Lagoon and Other Transitional Water Systems of the Northern Adriatic Sea

1
Department of Environmental Sciences, Informatics and Statistics (DAIS), University Ca’ Foscari Venice, Via Torino 155, 30170 Mestre (Ve), Italy
2
Department of Molecular Sciences and Nanosystems (DSMN), University Ca’ Foscari Venice, Via Torino 155, 30170 Mestre (Ve), Italy
3
Italian Institute for Environmental Protection and Research (ISPRA), Via Vitaliano Brancati 48, 00144 Rome, Italy
4
Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
*
Author to whom correspondence should be addressed.
Water 2020, 12(12), 3430; https://doi.org/10.3390/w12123430
Received: 10 November 2020 / Revised: 2 December 2020 / Accepted: 4 December 2020 / Published: 6 December 2020
The concentrations of inorganic, organic and total carbon, and some sedimentary parameters (sediment density, fines, pH, and shell fragments), have been analyzed in surface sediments of the Venice Lagoon since 1987. Environmental scenarios, characterized by different anthropogenic impacts, have been considered, especially in the central basin where more information is available. Data collected in 2009 in the lagoons and ponds of Po Delta, in Comacchio Valleys and Pialassa della Baiona have been also considered and analyzed together with those recorded in the whole Venice Lagoon in 2011. The results show a strong correlation of the inorganic carbon (Cinorg) with the carbonatic or siliceous origins of the sediments and changes of both Cinorg and organic carbon (Corg) according to different anthropogenic impacts, especially eutrophication and clam-fishing activities. Higher sediment density, grain-size, and pH were associated to good-high ecological conditions and the higher presence of inorganic carbon of biological origin (shell fragments and calcified macroalgal fragments). Conversely, Corg, which is associated to eutrophic conditions, was strongly affected by the sediment disturbance and the presence of high concentrations of bivalves which enhance its consumption. View Full-Text
Keywords: carbon concentrations; surface sediments; anthropogenic impacts; environment resilience; transitional environments; Venice Lagoon; Po Delta; Comacchio Valleys; Pialassa della Baiona carbon concentrations; surface sediments; anthropogenic impacts; environment resilience; transitional environments; Venice Lagoon; Po Delta; Comacchio Valleys; Pialassa della Baiona
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MDPI and ACS Style

Sfriso, A.; Buosi, A.; Tomio, Y.; Juhmani, A.-S.; Chiesa, S.; Greco, M.; Gazzola, C.; Mistri, M.; Munari, C.; Sfriso, A.A. Sediment Carbon Variations in the Venice Lagoon and Other Transitional Water Systems of the Northern Adriatic Sea. Water 2020, 12, 3430. https://doi.org/10.3390/w12123430

AMA Style

Sfriso A, Buosi A, Tomio Y, Juhmani A-S, Chiesa S, Greco M, Gazzola C, Mistri M, Munari C, Sfriso AA. Sediment Carbon Variations in the Venice Lagoon and Other Transitional Water Systems of the Northern Adriatic Sea. Water. 2020; 12(12):3430. https://doi.org/10.3390/w12123430

Chicago/Turabian Style

Sfriso, Adriano, Alessandro Buosi, Yari Tomio, Abdul-Salam Juhmani, Stefania Chiesa, Marta Greco, Chiara Gazzola, Michele Mistri, Cristina Munari, and Andrea A. Sfriso 2020. "Sediment Carbon Variations in the Venice Lagoon and Other Transitional Water Systems of the Northern Adriatic Sea" Water 12, no. 12: 3430. https://doi.org/10.3390/w12123430

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