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Supplementary data from Rapid aggregation of biofilm-covered microplastics with marine biogenic particles
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This supplementary dataset provides data on the proportions of biofilm-covered microplastics and particulate organic carbon incorporated into marine aggregates, supporting research on how microplastics rapidly clump with organic particles and sink in the ocean.
This file provides data on the proportions of microplastics and particulate organic carbon that were included in the aggregates during the experiments.
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Supplementary material from "Rapid aggregation of biofilm-covered microplastics with marine biogenic particles"
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This supplementary material accompanies a study showing that biofilm-covered microplastics aggregate rapidly in seawater, causing them to sink and reducing their surface concentration in the ocean. The finding helps explain the so-called 'missing plastics' paradox — why far less plastic is found floating in surface waters than model predictions suggest.
Rapid aggregation of biofilm-covered microplastics with marine biogenic particles
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Researchers demonstrated that biofilm-covered microplastics rapidly aggregate with marine biogenic particles such as algal cells and fecal pellets, which accelerates their sinking from surface waters. The study helps explain why microplastic concentrations at the ocean surface are lower than expected — biofouling causes the particles to be transported to deeper waters and sediments faster than previously assumed.
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This study examined how microplastics interact with phytoplankton aggregates in the ocean, potentially affecting the sinking behavior of marine organic matter. The interactions between plastics and biological particles may influence the biological carbon pump and the vertical transport of pollutants into the deep ocean.
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Laboratory experiments investigated how aggregation of microplastics with sediments and organic matter affects their sinking rates in water, finding that aggregate composition strongly influences settling velocity. These findings improve models predicting whether microplastics sink to the seafloor or remain suspended in the water column.
Aggregation of microplastics with marine biogenic particles
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Laboratory experiments investigated whether microplastics interact with and aggregate into biogenic marine particles such as phytoplankton, finding that polystyrene microplastics can associate with biological aggregates in the water column. This aggregation process may accelerate microplastic sinking and alter their transport to deeper ocean layers.
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