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Zooplankton as a suitable tool for microplastic research
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The study suggests that zooplankton can serve as a useful proxy for assessing the presence of microplastic particles in ocean waters, since these organisms ingest plastic particles both intentionally and accidentally. Researchers highlight the advantages of using zooplankton in laboratory studies and emphasize the need for reliable methodologies, especially for detecting smaller microplastic fractions under 100 micrometers.
In recent years, significant efforts have been dedicated to measuring and comprehending the impact of microplastics (MPs) in the ocean. Despite harmonization guidelines for MPs research, discrepancies persist in the applied methodologies and future challenges, mostly for the smaller fractions (< 100 μm). Whether intentional or accidental, ingesting plastic particles by zooplankton can lead to incorporating this pollutant into aquatic food chains. Therefore, zooplankton can serve as a suitable proxy tool for assessing the presence of plastic particles in ocean waters. However, reliable information is essential for conducting experimental laboratory studies on the impact of MPs ingestion by zooplankton organisms. Using zooplankton as a research tool for MPs offers numerous advantages, including similar sampling methodologies and study techniques as MPs and particle data integration over space and time. The scientific community can gain novel perspectives by merging zooplankton studies with MPs research. This review explores key aspects of using zooplankton as a tool for MPs research in water samples, encompassing various views such as particles ingestion in natural environments, particle quantification in zooplankton samples (past and future), ecotoxicological and toxicology model studies. By leveraging the potential of zooplankton research, advancements can be made in developing innovative techniques for MPs analysis.
More Papers Like This
In Situ Microplastic Ingestion by Marine Zooplankton: a Review
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Tiny ocean creatures called zooplankton, a key food source for fish, are eating microplastics, which could allow these plastic particles to move up the food chain and potentially end up on our plates. This review of existing research finds that most lab studies use much higher microplastic concentrations than what's actually found in the ocean, meaning the real-world health risks are still unclear. Scientists say more real-world (not just lab) studies are needed before we can fully understand how serious this risk really is.
Ingestion of Microplastics by Zooplankton in the Northeast Pacific Ocean
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Researchers collected zooplankton from the northeast Pacific Ocean and found microplastics ingested by multiple species, demonstrating that microplastic uptake occurs throughout the open ocean zooplankton community far from coastlines.
Screening for microplastic particles in plankton samples: How to integrate marine litter assessment into existing monitoring programs?
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Researchers monitored microplastic abundance in zooplankton net samples, finding 100–10,000 particles per cubic meter with no consistent seasonal or depth pattern. The study proposes that existing zooplankton monitoring programs could be adapted to simultaneously track microplastic pollution at relatively low additional cost.
Characteristics of microplastics ingested by zooplankton from the Bohai Sea, China
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Researchers characterized the shape, color, size, and chemical composition of microplastics ingested by zooplankton collected from the Bohai Sea in China, finding transparent fibers and fragments below 1 mm as the dominant forms and identifying multiple polymer types including polyethylene and polypropylene. The study highlights zooplankton as sensitive indicators of microplastic contamination in semi-enclosed coastal seas.
Bioavailability and effects of microplastics on marine zooplankton: A review
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This review synthesized laboratory and field evidence on microplastic bioavailability and effects on marine zooplankton, finding that multiple taxa readily ingest microplastics with negative impacts on feeding, reproduction, and energy balance, and that zooplankton represent a critical route for transferring microplastics into marine food webs. The authors identify particle size, concentration, and feeding behavior as the main determinants of microplastic bioavailability to zooplankton.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.