Microplastic contamination in coral reef fish larvae: ecological and oceanographic features influence exposure risk.
Zenodo (CERN European Organization for Nuclear Research)2022
Score: 35
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Frederieke J. Kroon,
Frederieke J. Kroon,
Marina Santana
Marina Santana
Michaela E. Miller,
Michaela E. Miller,
Michaela E. Miller,
Michaela E. Miller,
Mark I. McCormick,
Marina Santana
Marina Santana
Marina Santana
Marina Santana
Marina Santana
Marina Santana
Cherie A. Motti,
Marina Santana
Marina Santana
Mark I. McCormick,
Mark I. McCormick,
Mark I. McCormick,
Frederieke J. Kroon,
Marina Santana
Michaela E. Miller,
Michaela E. Miller,
Marina Santana
Michaela E. Miller,
Michaela E. Miller,
Frederieke J. Kroon,
Frederieke J. Kroon,
Cherie A. Motti,
Mark G. Meekan,
Mark G. Meekan,
Cherie A. Motti,
Cherie A. Motti,
Marina Santana
Cherie A. Motti,
Cherie A. Motti,
Marina Santana
Cherie A. Motti,
Marina Santana
Michaela E. Miller,
Marina Santana
Marina Santana
Marina Santana
Cherie A. Motti,
Marina Santana
Marina Santana
Marina Santana
Cherie A. Motti,
Frederieke J. Kroon,
Frederieke J. Kroon,
Michaela E. Miller,
Frederieke J. Kroon,
Keegan Vickers,
Keegan Vickers,
Keegan Vickers,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Marina Santana
Marina Santana
Keegan Vickers,
Keegan Vickers,
Keegan Vickers,
Frederieke J. Kroon,
Frederieke J. Kroon,
Frederieke J. Kroon,
Marina Santana
Samantha Jaworski,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Marina Santana
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Marina Santana
Keegan Vickers,
Frederieke J. Kroon,
Frederieke J. Kroon,
Frederieke J. Kroon,
Frederieke J. Kroon,
Mark I. McCormick,
Samantha Jaworski,
Carine Lefèvre,
Keegan Vickers,
Samantha Jaworski,
Cherie A. Motti,
Cherie A. Motti,
Frederieke J. Kroon,
Cherie A. Motti,
Carine Lefèvre,
Samantha Jaworski,
Frederieke J. Kroon,
Frederieke J. Kroon,
Frederieke J. Kroon,
Marina Santana
Frederieke J. Kroon,
Mark I. McCormick,
Marina Santana
Frederieke J. Kroon,
Keegan Vickers,
Frederieke J. Kroon,
Keegan Vickers,
Michaela E. Miller,
Cherie A. Motti,
Cherie A. Motti,
Cherie A. Motti,
Mark I. McCormick,
Frederieke J. Kroon,
Frederieke J. Kroon,
Mark G. Meekan,
Frederieke J. Kroon,
Cherie A. Motti,
Cherie A. Motti,
Frederieke J. Kroon,
Keegan Vickers,
Keegan Vickers,
Keegan Vickers,
Keegan Vickers,
Marina Santana
Marina Santana
Cherie A. Motti,
Marina Santana
Summary
Researchers investigated microplastic contamination in coral reef fish larvae, finding that ecological and oceanographic features such as larval aggregation processes and proximity to plastic accumulation zones significantly influence the degree of microplastic exposure risk for larval fish.
Larval life stages of fishes are uniquely susceptible to microplastic plastic pollution as they are similar in size to natural mesozooplankton prey. Microplastics have been shown to be aggregated by the same oceanographic process that also amass mesozooplankton. It is hypothesized that environmental and ecological features will influence the interaction between mesozooplankton and microplastics and impact ecosystems more broadly through trophic transfer. Presented here is baseline data on microplastic uptake by coral reef fish larvae at Lizard Island on the Great Barrier Reef (GBR) Australia. More than 1,000 fish larvae from a variety of species were collected, individually analyzed, and microplastic loadings compared to that found in sea water samples collected in parallel. Preliminary results suggest microplastic uptake by coral reef fish larvae is occurring in the natural environment and that there is a proportional uptake of microplastics by this life stage relative to the environmental contamination. Furthermore, assessing uptake relative to oceanographic features found that surface slicks concentrated microplastics increasing fish exposure, hence elevating biological risk. This project has also ascertained that the likelihood of microplastic uptake is species dependent, i.e., some are more susceptible than others. Given the life stage sensitivity and ecological relevance of fish larvae, results from this project will help to determine whether microplastic contamination can impact fish recruitment onto coral reefs and promote the transfer of microplastics through the coral reef food web. Outcomes from this study are expected to extend our current knowledge of microplastic ecological risks faced by coral reef ecosystems, including the GBR. Also see: https://micro2022.sciencesconf.org/427400/document