Cited by 39Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Mediated food and hydrodynamics on the ingestion of microplastics by Daphnia magna

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Colomer, Jordi, Müller, Mara F., Barcelona, Aina, Serra, Teresa·2019·Environmental Pollution

Abstract

There is consensus on the need to study the potential impact microplastics (MP) have on freshwater planktonic organisms. It is not yet fully understood how MP enter the aquatic food web or the effect they have on all the trophic levels. As a result of the potential for MP to accumulate throughout food webs, there is increasing interest in evaluating their fate in a variety of environmental conditions. This study investigated the variability in the ingestion of MP to food ratios and the exposed time of MP to Daphnia magna in non-sheared and sheared conditions. The sheared environment provided Daphnia magna with the conditions for optimal filtering capacity. Regardless of the ratios of MP concentration to food concentration (MP:Food), the filtration capacity of the Daphnia magna was enhanced in the sheared experiments. In both the sheared and non-sheared experiments, filtration capacity decreased when the ratios of MP to food concentration and the exposure times to MP were increased. Mortality was mainly enhanced in the non-sheared conditions at higher MP concentrations and exposure times to MP. No mortality was found in the sheared conditions for the exposure times studied. Therefore, in aquatic systems that undergo constant low sheared conditions, Daphnia magna can survive longer when exposed to MP than in calm conditions, provided food concentrations do not limit their capacity to filter.

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Crossref · 10.1016/j.envpol.2019.05.034

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  • Microplastics have been shown to have a range of effects on freshwater Daphnia, including decreased filtration capacity, food intake, growth, swimming velocity, and reproductive output, and increased mortality.

    “Microplastics have been shown to have a range of effects on freshwater Daphnia.For example, the uptake of microplastics decreased filtration capacity (Colomer et al., 2019), food intake (Ogonowski et al., 2016;Rist et al., 2017), growth (Castro-Castellon et al., 2022;Eltemsah & Bøhn, 2019), swimming velocity (Magester et al., 2021), and reproductive output (Huang et al., 2022;Jaikumar et al., 2019”

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Authors
Colomer, J., Müller, M. F., Barcelona, A., & Serra, T.
Affiliations
Universitat de Girona (ES)
Corresponding author
Colomer, Jordi
Venue
Environmental Pollution
Publisher
Elsevier BV
Published
2019-08
Volume
251
Pages
434-441
ISSN
0269-7491 (ISSN-L)
OpenAlex
W2944506722
Cited by
39
References
55
Citations by year
2026: 5 · 2025: 4 · 2024: 5 · 2023: 6 · 2022: 7 · 2021: 7 · 2020: 4 · 2019: 1
FWCI
1.42
Type
journal article
Language
en
Open access
Locations
  • Environmental Pollution (publishedVersion)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (acceptedVersion, cc-by-nc-nd)
  • Universitat de Girona Digital Repository (Universitat de Girona) (acceptedVersion, cc-by-nc-nd)
  • Universitat de Girona Digital Repository (Universitat de Girona) (submittedVersion, cc-by-nc-nd)
Funders
  • European Commission
  • Universitat de Girona
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, ingestion, filtration capacity, hydrodynamics, shear flow, food concentration, exposure time, mortality, freshwater zooplankton, food web transfer, aquatic food webs
MeSH terms
Dietary Exposure, Animals, Daphnia, Eating, Food, Plastics, Water Pollutants, Chemical, Hydrodynamics

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