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The Migration of Microplastics Between Freshwater and Saltwater Systems: a Coastal North Carolina Investigation from the Neuse River to the Atlantic Ocean
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This study tracked microplastic migration from the Neuse River through coastal North Carolina estuaries to the Atlantic Ocean, characterizing how freshwater-to-saltwater transitions affect particle transport and distribution. Tracing the full migration pathway from inland freshwater systems to open ocean helps quantify how terrestrial plastic pollution ultimately loads into marine environments where it can persist for decades.
Microplastics, pieces of synthetic plastic smaller than 5.0 mm in diameter, are...
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Movement of Microplastics in the Catawba River Basin
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Researchers tracked the movement and abundance of microplastics throughout the Catawba River Basin, identifying urban runoff, wastewater treatment plant effluent, and stormwater as primary contributors to microplastic loading in this major southeastern U.S. watershed. Rivers function as critical transport corridors that carry microplastics from inland population centers downstream into estuaries and ultimately coastal marine environments.
Distribution of Microplastics in the Catawba River Basin
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Researchers mapped the distribution of microplastics across the Catawba River Basin in North and South Carolina, providing baseline data on plastic particle concentrations in an urban river system that supplies drinking water to millions of people in the southeastern United States.
Microplastic Pollution in Aquatic Ecosystems: A Comparative Review of Sources, Impacts, and Management in Marine and Freshwater Habitats
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This comparative review synthesized research on microplastic sources, distribution, and impacts across marine and freshwater environments, highlighting microbeads and polymer fragmentation as primary contamination drivers. Establishing a unified understanding of microplastic behavior across aquatic habitats is essential for designing monitoring frameworks that track human exposure through drinking water and seafood.
Fate and Behavior of Microplastics in Freshwater Systems
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Researchers reviewed how microplastics move, accumulate, and interact with ecosystems in freshwater environments like rivers and lakes, which serve as both major pathways and sinks for plastic pollution. Understanding this behavior is critical because freshwater sources supply drinking water for billions of people worldwide.
Fate and Behavior of Microplastics in Freshwater Systems
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Freshwater systems accumulate microplastics from multiple pathways including wastewater discharge, atmospheric deposition, and urban runoff, with behavior influenced by particle size, density, and hydrodynamic conditions. Understanding these transport dynamics is critical for assessing human exposure risk through drinking water sources and aquatic food chains.
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