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Behavior of invisible microplastics in aquatic environments
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The behavior of very small (sub-visible) microplastics in aquatic environments was reviewed, covering their transport, aggregation, and interaction with aquatic organisms. These "invisible" microplastics are often overlooked in monitoring studies but may represent the most ecologically relevant size fraction.
Microplastics in aquatic environments are very important global pollutants. However, few empirical studies have reported the direct settling behavior of microplastics in aquatic environments. This study presents the behavior and behavioral evaluation method of microplastics, utilizing eco-friendly standardized microplastics of discarded plastics. Microplastics of polyvinyl chloride standardized in this study settle under both stagnant state and vigorous shaking movement in waters, while all microplastics of polyethylene, polypropylene, and polystyrene float. Although most microplastics of polyethylene terephthalate float on water in a stagnant state, most of them are settled by shaking movement of waters. By assessing (or pre-assessing) the behavioral density of microplastics, this study provides a baseline and clues to understanding the distribution and transport of microplastics in aquatic environments.
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This review characterized the occurrence, environmental behavior, and toxicity of nanoplastics in aquatic systems, noting that their small size gives them unique properties — including higher surface reactivity and greater bioavailability — that make them potentially more hazardous than larger microplastics, while also harder to detect.
Microplastics in aquatic environments: interaction with sediments and transport dynamics
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This review examines how microplastics behave in aquatic environments, focusing on their interactions with fine sediments, aggregation, settling, and transport dynamics. The study identifies key knowledge gaps in understanding how particle properties and hydrodynamic conditions determine where microplastics accumulate in rivers, lakes, and coastal waters.
Sources, fate and behaviour of microplastics in the aquatic environment
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This Croatian thesis reviews sources, fate, and behavior of microplastics in aquatic environments. The author synthesizes research on how plastic particles enter water systems, how they are transported and transformed, and what risks they pose to freshwater and marine organisms.
Microplastic: A Silent Contaminant in Aquatic Ecosystems and Its Ecological Consequences
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This review examines microplastics as a pervasive but underappreciated contaminant in aquatic ecosystems, synthesizing evidence on their sources, distribution, uptake pathways in aquatic organisms, and broader ecological consequences for freshwater and marine food webs.
Nanoplastics in water
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This paper examines the presence and behavior of nanoplastics, extremely small plastic particles, in water environments. Understanding how these particles move through and persist in water is important for assessing potential risks to aquatic ecosystems and human health.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.