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20 resultsShowing papers similar to Global microplastic contamination in freshwater lakes: Spatial patterns, environmental drivers, and methodological challenges
ClearA comparative review of microplastics in lake systems from different countries and regions
Researchers reviewed microplastic contamination data from lake systems across multiple countries, finding that abundance, size, and polymer type varied widely by region and identifying land use, population density, and hydrological connectivity as key drivers of lake microplastic levels.
Microplastics in 132 Iowa lakes and variability in relation to abiotic, biotic, and anthropogenic factors
Researchers surveyed microplastic concentrations across 132 lakes in Iowa, finding that microplastics were nearly ubiquitous even in rural, minimally developed lakes — though concentrations were higher in lakes near urban areas, agricultural land, and higher human population density. Fiber-type microplastics were most common, consistent with patterns seen globally. The broad survey across diverse lake types provides compelling evidence that microplastic contamination of freshwater lakes is widespread across the American Midwest, not limited to industrial or highly urbanized regions.
Global patterns of lake microplastic pollution: Insights from regional human development levels
A meta-analysis of 351 lakes across 43 countries found microplastic concentrations ranging from 0.09 to 130,000 items/m3 in surface water, with fibers as the dominant shape and polyethylene, polypropylene, and PET as the most common polymers. Countries with lower human development indices actually showed higher contamination levels, suggesting that waste management capacity is a key driver of lake microplastic pollution.
Research status and prospects of microplastic pollution in lakes
This review systematically covers microplastic pollution research in lakes, including sampling and identification methods, distribution patterns, ecological effects, and knowledge gaps, identifying lakes as important but understudied sinks for microplastic contamination.
Global occurrence characteristics, drivers, and environmental risk assessment of microplastics in lakes: A meta-analysis
This meta-analysis of 42 studies found significant heterogeneity in microplastic pollution levels across global lakes, driven by geographical location and sampling methods. Small microplastics (under 1 mm) were disproportionately concentrated in sediment compared to water, and while most lakes showed low overall environmental risk, pollution levels in lake sediments were generally higher than in surrounding water.
Microplastic in Freshwater Environment: A Review on Techniques and Abundance for Microplastic Detection in Lake Water
This review examines microplastic pollution in freshwater environments, summarizing detection techniques and reporting on abundance data from rivers, lakes, and streams worldwide. The authors highlight methodological inconsistencies that complicate cross-study comparisons and call for standardized sampling and analysis protocols.
Microplastics in lakes: Distribution patterns and influencing factors
This review analyzed 84 studies across 64 lakes worldwide to understand where microplastics tend to concentrate in freshwater systems. Microplastic levels were highest near areas of heavy human activity and water inflows, and concentrations in lake sediments have been increasing over time, which matters because lakes are important sources of drinking water.
Microplastic Pollution in Surface Waters and Sediments of Urban Lake
This book chapter reviews microplastic pollution in urban lake surface waters and sediments, describing sources, distribution patterns, and the ecological consequences of MP accumulation in these widely used but understudied freshwater habitats.
Monitoring of microplastic concentrations in 132 Iowa lakes in relation to abiotic, biotic, and anthropogenic factors
Researchers surveyed microplastic concentrations in 132 lakes across Iowa, examining how biological, physical, and human factors influence plastic levels. Lakes near populated areas and with greater human activity showed higher microplastic concentrations, demonstrating that freshwater lakes are broadly contaminated by plastic pollution.
Microplastic pollution of worldwide lakes
This review compiles research on microplastic pollution across 98 lakes worldwide, finding contamination in every lake studied. Lakes act as temporary or long-term accumulators of microplastics because water can remain in them for extended periods, and they receive plastic waste from surrounding areas. The review highlights that freshwater microplastic contamination deserves as much attention as ocean pollution, especially since many communities depend on lakes for drinking water and food.
Review of microplastics in lakes: sources, distribution characteristics, and environmental effects
This review analyzes microplastic pollution in lakes worldwide and finds that contamination levels are higher in shallower lakes near populated areas with more human activity. Microplastics accumulate heavily in lake sediments and can also be trapped in seasonal ice, only to be released during warming periods. Since many communities rely on lakes for drinking water and fishing, understanding how microplastics concentrate in these freshwater systems is critical for protecting public health.
Microplastic contamination in Indian rural and urban lacustrine ecosystems
Researchers surveyed 39 rural and urban lakes across Tamil Nadu, India, for microplastic contamination and found particles present in water and sediment samples from every lake studied. Urban lakes had significantly higher microplastic concentrations than rural ones, with fibers being the most common particle shape across all sites. The study provides one of the most comprehensive assessments of freshwater microplastic pollution in India, revealing that even relatively remote lakes are not free from contamination.
Analysis on advances and characteristics of microplastic pollution in China’s lake ecosystems
Statistical data on microplastic pollution were compiled and analyzed for 86 lakes across China's lake ecosystems over the past five years, revealing widespread contamination with concentrations generally higher in lakes near urban and industrial areas. The review identifies China's heavily polluted eastern lake region as a priority for microplastic monitoring and management intervention.
Microplastic pollution in sediments of tropical shallow lakes
Researchers found microplastics in all sediment samples from 48 tropical shallow lakes across a climatic gradient, with fibres dominating over fragments and polyester being the most common polymer, indicating widespread plastic contamination even in inland freshwater ecosystems.
Geographical heterogeneity and dominant polymer types in microplastic contamination of lentic ecosystems: implications for methodological standardization and future research
Researchers found significant geographical heterogeneity in the types of microplastics contaminating lentic ecosystems worldwide, with polyethylene dominating overall, followed by polypropylene and polystyrene, highlighting regional differences in plastic sources and environmental persistence.
Microplastic pollution in the surface waters of the Laurentian Great Lakes
Researchers documented microplastic pollution across the surface waters of the Laurentian Great Lakes, finding contamination in all lakes sampled — particularly Lake Erie — with fibers as the dominant particle type, highlighting plastic pollution in a critical freshwater system.
Geographical features and management strategies for microplastic loads in freshwater lakes
Researchers used machine learning to predict microplastic concentrations in lakes worldwide, estimating that the top 20 meters of global lake water holds roughly 10,167 tons of microplastics — equivalent to 508 million plastic bottles. Agricultural land use and urban development near waterways were the strongest predictors of contamination, with North America, Africa, and Asia showing the heaviest loads.
Microplastic pollution in lakes: Sources, impact, and solutions
This review comprehensively covers the sources, pathways, ecological impacts, and remediation strategies for microplastic pollution in freshwater lakes, highlighting how particles from urban runoff, wastewater, and atmospheric deposition accumulate in lake ecosystems and transfer into food webs.
Macroplastics in Lakes: An Underrepresented Ecological Problem?
This bibliometric review identified macroplastic pollution in lakes as a significantly understudied problem, noting that most research focuses on marine and riverine environments, and calling for standardized methodologies to better assess the ecological threat to freshwater lake ecosystems.
Variability of microplastic loading and retention in four inland lakes in Minnesota, USA
Researchers measured microplastic levels in four small lakes in Minnesota and found that watershed size and urban development were the biggest factors driving contamination. Surface water concentrations varied widely, and sediment levels did not directly correlate with what was found in the water above. The study highlights how local land use patterns influence where microplastics end up in freshwater ecosystems.