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Ostracod Fauna: Eyewitness to Fifty Years of Anthropic Impact in the Gulf of Trieste. A Potential Key to the Future Evolution of Urban Ecosystems

Author

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  • Gianguido Salvi

    (Department of Mathematics and Geosciences, University of Trieste, Via E.Weiss 2, 34127 Trieste, Italy)

  • Alessandro Acquavita

    (ARPA (Regional Environmental Protection Agency, Department of Trieste), Via La Marmora 13, 34139 Trieste, Italy)

  • Massimo Celio

    (ARPA (Regional Environmental Protection Agency, Department of Trieste), Via La Marmora 13, 34139 Trieste, Italy)

  • Saul Ciriaco

    (WWF Miramare MPA, Viale Miramare 349, 34151 Trieste, Italy)

  • Stefano Cirilli

    (Department of Mathematics and Geosciences, University of Trieste, Via E.Weiss 2, 34127 Trieste, Italy)

  • Michele Fernetti

    (Department of Mathematics and Geosciences, University of Trieste, Via E.Weiss 2, 34127 Trieste, Italy)

  • Nevio Pugliese

    (Department of Mathematics and Geosciences, University of Trieste, Via E.Weiss 2, 34127 Trieste, Italy)

Abstract

For the first time, the distribution and modifications of living ostracod associations present in the Gulf of Trieste (GoT) in relation to alterations caused by human activity in the last 20 years were investigated. The results were compared with the main physicochemical parameters (especially nitrogen and phosphorus) measured over the same period, which can lead to a general decrease in environmental quality. For a more in-depth analysis of the changes recorded by ostracods in the last 50 years, a period in which eutrophication and anoxia increased, we revisited the study carried out by Masoli in the GoT in 1967. The results obtained made it possible to verify how, over the last 20 years, ostracod assemblages have suffered a decrease both qualitatively and quantitatively. Most of the species recovered show characteristics of opportunism and tolerance to environmentally stressful conditions, high organic matter concentrations, and oxygen deficiency. The ostracods analyzed in 1967 showed similar results with few dominant opportunistic species. We verified how ostracods recorded in GoT, similar to Mollusks and Foraminifera, have been impaired by the possible environmental crisis linked to the recurrence of mucilage and hypoxic events documented for the GoT in the last 50 years. Finally, a comparison with the best environmental conditions found in the Marine Nature Reserve of Miramare (MPA) allowed us to emphasize the important role of protected areas to avoid loss of biodiversity due to urbanization.

Suggested Citation

  • Gianguido Salvi & Alessandro Acquavita & Massimo Celio & Saul Ciriaco & Stefano Cirilli & Michele Fernetti & Nevio Pugliese, 2020. "Ostracod Fauna: Eyewitness to Fifty Years of Anthropic Impact in the Gulf of Trieste. A Potential Key to the Future Evolution of Urban Ecosystems," Sustainability, MDPI, vol. 12(17), pages 1-23, August.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:17:p:6954-:d:404559
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    References listed on IDEAS

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    1. Czech, Brian & Krausman, Paul & Devers, Patrick, 2000. "Economic associations among causes of species endangerment in the United States," MPRA Paper 2306, University Library of Munich, Germany.
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    Cited by:

    1. Ufuk Sanver & Aydin Yesildirek, 2023. "An Autonomous Marine Mucilage Monitoring System," Sustainability, MDPI, vol. 15(4), pages 1-28, February.

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