Concentrations and Characteristics of Microplastic Particles Collected by Neuston Net or Pump System in the Surface Layer of Tokyo Bay

Analysis of small microplastics in coastal surface water samples of the subtropical island of Okinawa, Japan

Zooplankton and Neustonic Microplastics in the Surface Layer of Yeosu Coastal Areas

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Microplastics were found coexisting with zooplankton communities in Korean coastal surface waters, with particle feeders like copepods likely ingesting plastics alongside phytoplankton given overlapping size ranges and spatial distributions. Because zooplankton are a critical food source for fish and other marine animals, their exposure to microplastics creates a direct pathway for plastic contamination to move up the food chain to seafood consumed by humans.

Analysis of Marine Microplastics in the Water Column Sampled up to 300 M Depth

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Researchers sampled ocean water down to 300 meters depth and detected microplastics throughout the water column, demonstrating that plastic pollution extends well below the surface and is not limited to the shallow or coastal zones most commonly studied.

Occurrence of Microplastic Pollution in Marine Water

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Marine microplastic accumulation, estimated at over 250,000 tons in ocean environments, is driven by fragmentation of larger plastic debris and represents a persistent and growing contamination challenge. These particles are ingested by marine organisms across food web levels, raising concerns about biomagnification and human dietary exposure.

Distribution characteristics of microplastics in surface waters in the western Pacific Ocean

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Surface water sampling across the western Pacific Ocean detected microplastics at an average of 0.37 particles/m³ in all sampled locations, with fibers and fragments under 1 mm predominating and significantly higher concentrations near seamount areas than the South China Sea. The study establishes baseline contamination data for a vast understudied ocean region and reveals that oceanic circulation patterns actively concentrate microplastics even at remote deep-sea topographic features.