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Cited by 303

The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.

Accumulation of Plastic Debris and Associated Contaminants in Aquatic Food Webs

Open access
Diepens, Noël J., Koelmans, Albert A.·2018·Environmental Science & Technology

Abstract

We present a generic theoretical model (MICROWEB) that simulates the transfer of microplastics and hydrophobic organic chemicals (HOC) in food webs. We implemented the model for an Arctic case comprised of nine species including Atlantic cod and polar bear as top predator. We used the model to examine the effect of plastic ingestion on trophic transfer of microplastics and persistent HOCs (PCBs) and metabolizable HOCs (PAHs), spanning a wide range of hydrophobicities. In a scenario where HOCs in plastic and water are in equilibrium, PCBs biomagnify less when more microplastic is ingested, because PCBs biomagnify less well from ingested plastic than from regular food. In contrast, PAHs biomagnify more when more microplastic is ingested, because plastic reduces the fraction of PAHs available for metabolization. We also explore nonequilibrium scenarios representative of additives that are leaching out, as well as sorbing HOCs, quantitatively showing how the above trends are strengthened and weakened, respectively. The observed patterns were not very sensitive to modifications in the structure of the food web. The model can be used as a tool to assess prospective risks of exposure to microplastics and complex HOC mixtures for any food web, including those with relevance for human health.

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Crossref · 10.1021/acs.est.8b02515

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Metadata

Authors
Diepens, N. J., & Koelmans, A. A.
Venue
Environmental Science & Technology
Published
2018-06-20
Volume
52
Issue
15
Pages
8510-8520
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2809114659
Cited by
303
References
15
FWCI
10.37
Type
journal article
Language
en
Open access
hybrid

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