Cited by 190Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Polystyrene microplastics ingestion induced behavioral effects to the cladoceran Daphnia magna

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De Felice, Beatrice, Sabatini, Valentina, Antenucci, Stefano, Gattoni, Giacomo, Santo, Nadia, Bacchetta, Renato, Ortenzi, Marco Aldo, Parolini, Marco·2019·Chemosphere

Abstract

Microplastic (μPs) contamination represents a dramatic environmental problem threatening both aquatic and terrestrial organisms. Although several studies have highlighted the presence of μPs in aquatic environments, the information regarding their toxicity towards organisms is still scant. Moreover, most of the ecotoxicological studies of μPs have focused on marine organisms, largely neglecting the effects on freshwater species. The present study aimed at exploring the effects caused by 21-days exposure to three concentrations (0.125, 1.25 and 12.5 μg/mL) of two differently sized polystyrene microplastics (PμPs; 1 and 10 μm) to the Cladoceran Daphnia magna. The ingestion/egestion capability of daphnids (<24 h) and adults, the changes in individual growth and behavior, in terms of changes in swimming activity, phototactic behavior and reproduction, were investigated. Both particles filled the digestive tract of daphnids and adults within 24 h of exposure at all the tested concentrations. Ingested PμPs remained in the digestive tract even after 96 h in a clean medium. For both particles, an overall increase in body size of adults was noted at the end of the exposure to the highest tested concentrations, accompanied by a significant increase in swimming activity, in terms of distance moved and swimming velocity, and by an alteration of the phototactic behavior. A significant increase in the mean number of offspring after the exposure to the highest PμPs concentrations of different size was recorded. Polystyrene μPs can affect behavioral traits of D. magna leading to potentially harmful consequences on population dynamics of this zooplanktonic species.

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Crossref · 10.1016/j.chemosphere.2019.05.115

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Authors
De Felice, B., Sabatini, V., Antenucci, S., Gattoni, G., Santo, N., Bacchetta, R., Ortenzi, M. A., & Parolini, M.
Affiliations
University of Milan (IT)
Corresponding author
Parolini, Marco
Venue
Chemosphere
Publisher
Elsevier BV
Published
2019-09
Volume
231
Pages
423-431
ISSN
0045-6535 (ISSN-L)
OpenAlex
W2946108972
Cited by
190
References
59
Citations by year
2026: 18 · 2025: 28 · 2024: 31 · 2023: 33 · 2022: 31 · 2021: 26 · 2020: 17 · 2019: 6
FWCI
5.99
Type
journal article
Language
en
Open access
Locations
  • Chemosphere (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano) (submittedVersion, other-oa)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords
polystyrene microplastics, Daphnia magna, microplastic ingestion, behavioral effects, swimming activity, phototactic behavior, reproduction, microplastic size, zooplankton, freshwater ecotoxicology
MeSH terms
Animals, Behavior, Animal, Daphnia, Eating, Fresh Water, Plastics, Polystyrenes, Reproduction, Swimming, Water Pollutants, Chemical, Ecotoxicology, Aquatic Organisms

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