The Influence of Polystyrene Microspheres Abundance on Development and Feeding Behavior of Artemia salina (Linnaeus, 1758)
Applied Sciences2021
53 citations
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Marco Albano,
Marco Albano,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Gioele Capillo,
Serena Savoca,
Enrico Gugliandolo,
Serena Savoca,
Gioele Capillo,
Serena Savoca,
Gioele Capillo,
Serena Savoca,
Davide Di Paola,
Davide Di Paola,
Davide Di Paola,
Giuseppe Panarello,
Giuseppe Panarello,
Giuseppe Panarello,
Fabiano Capparucci,
Fabiano Capparucci,
Davide Di Paola,
Marco Albano,
Serena Savoca,
Marco Albano,
Serena Savoca,
Davide Di Paola,
Davide Di Paola,
Davide Di Paola,
Davide Di Paola,
Nunziacarla Spanò
Nunziacarla Spanò
Nunziacarla Spanò
Giuseppe Panarello,
Rosalia Crupi,
Enrico Gugliandolo,
Davide Di Paola,
Davide Di Paola,
Gioele Capillo,
Serena Savoca,
Fabiano Capparucci,
Marco Albano,
Marco Albano,
Marco Albano,
Serena Savoca,
Marco Albano,
Gioele Capillo,
Gioele Capillo,
Nunziacarla Spanò
Nunziacarla Spanò
Serena Savoca,
Davide Di Paola,
Giuseppe Panarello,
Giuseppe Panarello,
Davide Di Paola,
Giuseppe Panarello,
Davide Di Paola,
Serena Savoca,
Rosalia Crupi,
Rosalia Crupi,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Serena Savoca,
Marco Albano,
Serena Savoca,
Nunziacarla Spanò
Nunziacarla Spanò
Nunziacarla Spanò
Davide Di Paola,
Nunziacarla Spanò
Davide Di Paola,
Nunziacarla Spanò
Nunziacarla Spanò
Rosalia Crupi,
Enrico Gugliandolo,
Gioele Capillo,
Serena Savoca,
Marco Albano,
Rosalia Crupi,
Serena Savoca,
Nunziacarla Spanò
Serena Savoca,
Serena Savoca,
Marco Albano,
Gioele Capillo,
Nunziacarla Spanò
Rosalia Crupi,
Nunziacarla Spanò
Nunziacarla Spanò
Gioele Capillo,
Nunziacarla Spanò
Fabiano Capparucci,
Nunziacarla Spanò
Nunziacarla Spanò
Gioele Capillo,
Gioele Capillo,
Gioele Capillo,
Serena Savoca,
Nunziacarla Spanò
Nunziacarla Spanò
Nunziacarla Spanò
Fabiano Capparucci,
Serena Savoca,
Gioele Capillo,
Serena Savoca,
Serena Savoca,
Gioele Capillo,
Nunziacarla Spanò
Giuseppe Panarello,
Nunziacarla Spanò
Nunziacarla Spanò
Davide Di Paola,
Gioele Capillo,
Davide Di Paola,
Nunziacarla Spanò
Rosalia Crupi,
Nunziacarla Spanò
Summary
Researchers exposed brine shrimp larvae to polystyrene microspheres at various concentrations with and without a food source over seven days. They found that microplastic ingestion was dose-dependent and significantly influenced by food availability, with the highest contamination occurring when no food was present. The study suggests that microplastic pollution can disrupt feeding behavior and delay development in early life stages of marine organisms.
In the present study, it has been evaluated how 10 µm of polyethylene microspheres can be ingested by Artemia salina (Linnaeus, 1758) larvae within the first 7 days of the life cycle, and the impact on their health. Twelve A. salina larvae (instar I) groups were exposed to different microplastics (MPs) concentrations (0-1-10-102-103-104 MPs/mL), with and without Dunaliella salina as a food source. The results highlighted that A. salina larvae ingest MPs in relation to the exposure times in a dose-dependent manner and are significantly influenced by food availability. The highest contamination found was 306.2 MPs/individual at 104 MPs/mL exposure without a food source. No MPs were found in the presence of the food source from 1 to 102 MPs/mL, while contamination was detected at all concentrations of MPs without a food source. The worst effect on the developmental stages was evaluated at 168 h with a food source, with a delay compared to the control of I and II instars at 103 and 104 MPs/mL, respectively. Furthermore, microalgal feeding was significantly reduced for about 50% in the presence of 104 MPs/mL. These results highlight that aquatic microplastics pollution could affect the A. salina’s feeding behavior and life cycle.