Cited by 58Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyAnimal Behavior and Reproduction

The response of life history defense of cladocerans under predation risk varies with the size and concentration of microplastics

Liu, Qi, Liu, Leihong, Huang, Jing, Gu, Lei, Sun, Yunfei, Zhang, Lu, Lyu, Kai, Yang, Zhou·2022·Journal of Hazardous Materials

Abstract

Microplastics are an emerging and increasingly serious pollutant in freshwater environment, which have become a threat to freshwater organisms. However, whether microplastics interfere with the responses of organisms to their predators is still unclear. In this study, we investigated the effects of microplastics with tiny different particle size (diameter: 0.7 and 1 µm) on the anti-predation (Rhodeus ocellatus as the predator) defense responses of different body-sized cladocerans, Daphnia pulex and Moina macrocopa. Results showed that microplastics had a size-based inhibitory effect on the induced defense of both D. pulex and M. macrocopa. Specifically, 0.7 µm microplastics had stronger effects on reduced survival time, delayed maturation time, and decreased offspring numbers. In addition, the effects of microplastics also varied with different body-sized cladocerans, i.e. medium-sized cladoceran (D. pulex) were more sensitive than the small-sized one (M. macrocopa) regarding the maturation time. This study illustrated for the first time that the effect of microplastics on induced defense was related to cladoceran species and microplastics size, and further revealed the extensive negative effects of microplastics from the perspective of interspecific relationship.

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Crossref · 10.1016/j.jhazmat.2021.127913

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  • The mixed effects of microplastics at the community scale, coupled with several reports of negative impacts at the individual or population scale, point to an apparent mismatch in effects across scales.

    “The mixed effects of microplastics at the community scale, coupled with several reports of negative impacts of microplastics at the individual or population scale (Bosker et al., 2019;Liu et al., 2022;Ogonowski et al., 2016;Schür et al., 2020) point to an apparent mismatch in effects across scales.”

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Authors
Liu, Q., Liu, L., Huang, J., Gu, L., Sun, Y., Zhang, L., Lyu, K., & Yang, Z.
Affiliations
Nanjing Normal University (CN)
Corresponding author
Yang, Zhou
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2022-04
Volume
427
Pages
127913
ISSN
0304-3894 (ISSN-L)
OpenAlex
W3214968949
Cited by
58
References
81
Citations by year
2026: 8 · 2025: 11 · 2024: 8 · 2023: 16 · 2022: 15
FWCI
2.42
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31700398, 31730105)
  • Priority Academic Program Development of Jiangsu Higher Education Institutions
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
microplastics, microplastic particle size, Daphnia pulex, Moina macrocopa, Rhodeus ocellatus, predation risk, body size effects, maturation time, survival time, offspring production, species interactions, freshwater pollution
MeSH terms
Microplastics, Animals, Daphnia, Plastics, Predatory Behavior, Cladocera

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