Cited by 204Microplastics and Plastic PollutionToxic Organic Pollutants ImpactEnvironmental Toxicology and Ecotoxicology

Microplastics are not important for the cycling and bioaccumulation of organic pollutants in the oceans—but should microplastics be considered POPs themselves?

Open access
Lohmann, Rainer·2017·Integrated Environmental Assessment and Management

Abstract

The role of microplastic particles in the cycling and bioaccumulation of persistent organic pollutants (POPs) is discussed. Five common concepts, sometimes misconceptions, about the role of microplastics are reviewed. While there is ample evidence that microplastics accumulate high concentrations of POPs, this does not result in microplastics being important for the global dispersion of POPs. Similarly, there is scant evidence that microplastics are an important transfer vector of POPs into animals, but possibly for plastic additives (flame retardants). Last, listing microplastics as POPs could help reduce their environmental impact. Integr Environ Assess Manag 2017;13:460–465. © 2017 SETAC Key Points: Microplastics accumulate POPs relative to their surroundings, acting as passive samplers, yet there are insufficient microplastic particles to affect the global cycling of POPs. Laboratory experiments exposing clean animals to POP-contaminated microplastics observe the transfer of POPs into the animals but cannot demonstrate that this pathway is relevant in the field. Field observations of POPs in animals show little evidence that the ingestion of microplastics contributed much to their body burden with the exception of plastic additives. Microplastics should be considered as POPs as they share persistence, long-range transport, potential for bioaccumulation, and adverse effects with other POPs.

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Crossref · 10.1002/ieam.1914

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Authors
Lohmann, R.
Affiliations
University of Rhode Island (US)
Corresponding author
Lohmann, Rainer
Venue
Integrated Environmental Assessment and Management
Published
2017-05-01
Volume
13
Issue
3
Pages
460-465
ISSN
  • 1551-3777 (ISSN-L)
  • 1551-3793
OpenAlex
W2608901669
Cited by
204
References
41
Citations by year
2026: 6 · 2025: 15 · 2024: 15 · 2023: 18 · 2022: 32 · 2021: 32 · 2020: 34 · 2019: 21 · 2018: 29 · 2017: 2
FWCI
10.60
Type
journal article
Language
en
Open access
Locations
  • Integrated Environmental Assessment and Management (publishedVersion)
  • PubMed (publishedVersion)
  • Journal of Media Literacy Education (submittedVersion, cc-by)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
Keywords
microplastics, persistent organic pollutants, bioaccumulation, marine pollution, polymer additives, flame retardants, microplastic ingestion, passive sampling, long-range transport
MeSH terms
Environmental Monitoring, Flame Retardants, Oceans and Seas, Organic Chemicals, Plastics, Water Pollutants, Chemical, Environmental Policy

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