Cited by 269Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Ingestion and egestion of microplastics by the cladoceran Daphnia magna: effects of regular and irregular shaped plastic and sorbed phenanthrene

Frydkjær, Camilla Krogh, Iversen, Niels, Roslev, Peter·2017·Bulletin of Environmental Contamination and Toxicology

Abstract

The presence of microplastics in aquatic ecosystems is of increasing global concern. This study investigated ingestion, egestion and acute effects of polyethylene microplastics in Daphnia magna. Fate of regular shaped microplastic beads (10-106 µm) were compared with irregular shaped microplastic fragments (10-75 µm). Daphnia magna ingested regular and irregular microplastic with uptake between 0.7 and 50 plastic particles/animal/day when exposed to microplastic concentrations of 0.0001-10 g/L. Egestion of irregular fragments was slower than that of microplastic beads. The EC50 for irregular microplastic was 0.065 g/L whereas microplastic beads were less inhibitory. The potential of microplastic to act as vector for hydrophobic pollutants was examined using [14 C]phenanthrene as tracer. Polyethylene microplastic sorbed less [14 C]phenanthrene compared to natural plankton organisms (bacteria, algae, yeast). As microplastics are much less abundant in most aquatic ecosystems compared to plankton organisms this suggests a limited role as vector for hydrophobic pollutants under current environmental conditions.

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Crossref · 10.1007/s00128-017-2186-3

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Authors
Frydkjær, C. K., Iversen, N., & Roslev, P.
Affiliations
Aalborg University (DK)
Corresponding author
Roslev, Peter
Venue
Bulletin of Environmental Contamination and Toxicology
Published
2017-10-13
Volume
99
Issue
6
Pages
655-661
ISSN
  • 0007-4861 (ISSN-L)
  • 1432-0800
OpenAlex
W2763322884
Cited by
269
References
30
Citations by year
2026: 16 · 2025: 21 · 2024: 36 · 2023: 48 · 2022: 41 · 2021: 46 · 2020: 31 · 2019: 21 · 2018: 8 · 2012: 1
FWCI
7.39
Type
journal article
Language
en
Open access
closed
Locations
  • Bulletin of Environmental Contamination and Toxicology (publishedVersion)
  • PubMed (publishedVersion)
  • VBN Forskningsportal (Aalborg Universitet) (submittedVersion)
Funders
COWIfonden
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
microplastics, Daphnia magna, polyethylene microplastics, microplastic ingestion, acute toxicity, plankton, aquatic ecosystems
MeSH terms
Dietary Exposure, Animals, Daphnia, Eating, Phenanthrenes, Plastics, Water Pollutants, Chemical, Ecosystem

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