Cited by 216Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyMarine Ecology and Invasive Species

Negative effects of microplastic exposure on growth and development of Crepidula onyx

Lo, Hau Kwan Abby, Chan, Kit Yu Karen·2018·Environmental Pollution

Abstract

Microplastics exposure could be detrimental to marine organisms especially under high concentrations. However, few studies have considered the multiphasic nature of marine invertebrates' life history and investigated the impact of experiencing microplastics during early development on post-metamorphic stages (legacy effect). Many planktonic larvae can feed selectively and it is unclear whether such selectivity could modulate the impact of algal food-sized microplastic. In this two-stage experiment, veligers of Crepidula onyx were first exposed to additions of algae-sized micro-polystyrene (micro-PS) beads at different concentrations, including ones that were comparable their algal diet. These additions were then either halted or continued after settlement. At environmentally relevant concentration (ten 2-μm microplastic beads ml-1), larval and juvenile C. onyx was not affected. At higher concentrations, these micro-PS fed larvae consumed a similar amount of algae compared to those in control but grew relatively slower than those in the control suggesting that ingestion and/or removal of microplastic was/were energetically costly. These larvae also settled earlier at a smaller size compared to the control, which could negatively affect post-settlement success. Juvenile C. onyx receiving continuous micro-PS addition had slower growth rates. Individuals only exposed to micro-PS during their larval stage continued to have slower growth rates than those in the control even if micro-PS had been absent in their surroundings for 65 days highlighting a legacy effect of microplastic exposure.

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Crossref · 10.1016/j.envpol.2017.10.095

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Authors
Lo, H. K. A., & Chan, K. Y. K.
Affiliations
Hong Kong University of Science and Technology (HK)
Corresponding author
Chan, Kit Yu Karen
Venue
Environmental Pollution
Publisher
Elsevier BV
Published
2018-02
Volume
233
Pages
588-595
ISSN
0269-7491 (ISSN-L)
OpenAlex
W2765805408
Cited by
216
References
63
Citations by year
2026: 11 · 2025: 23 · 2024: 21 · 2023: 35 · 2022: 33 · 2021: 32 · 2020: 36 · 2019: 15 · 2018: 9 · 2017: 1
FWCI
7.51
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Pollution (publishedVersion)
  • PubMed (publishedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
Funders
  • Research Grant Council (26102515)
  • Croucher Foundation
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 › Global and Planetary Change › Marine Ecology and Invasive Species
Keywords
microplastics, Crepidula onyx, polystyrene microspheres, larval development, juvenile growth, legacy effects, planktonic larvae, algal diet, marine gastropods, settlement size
MeSH terms
Animals, Larva, Plastics, Polystyrenes, Water Pollutants, Chemical, Gastropoda, Aquatic Organisms

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