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61,005 resultsShowing papers similar to Diatom records in sediments for eutrophication process of Lake Xian'nv, China since the mid-20th century
Clear[Correlation Between Microplastics Pollution and Eutrophication in the Near Shore Waters of Dianchi Lake].
This study found a spatial correlation between microplastic pollution and eutrophication (nutrient enrichment causing algal blooms) in the nearshore waters of Dianchi Lake in China. The co-occurrence suggests that land-based pollution sources contribute both nutrient runoff and plastic waste to this freshwater ecosystem.
New developments in paleo-ecotoxicology: Emerging approaches in applying lake sediment archives to assess impacts from aquatic pollution
This review examines how lake sediment archives (paleolimnology) can be used to reconstruct historical trends in aquatic pollution impacts, including how contaminant exposure has driven shifts in biological communities over decades. It discusses emerging analytical methods including microplastic analysis in dated sediment cores as tools for assessing long-term ecological change.
Historical reconstruction of microplastic accumulation in shallow lake sediments and its anthropogenic drivers: A case study in Lake Liangzi
Scientists studied lake sediments in China and found that tiny plastic particles (microplastics) have been building up dramatically since the 1980s, with the biggest increases linked to plastic production, population growth, and urban development. This matters because microplastics in freshwater lakes can enter our drinking water and food chain, and this study shows the problem is getting much worse as human activities increase. The research provides clear evidence that our daily activities are the main cause of plastic pollution accumulating in the water sources we depend on.
Human activities affect the multidecadal microplastic deposition records in a subtropical urban lake, China
Researchers analyzed sediment cores from a subtropical urban lake in China to reconstruct 64 years of microplastic deposition history. They found that microplastic concentrations in the sediment increased significantly over the decades, correlating closely with urbanization, population growth, and economic development. The study provides evidence that human activities are the primary driver of long-term microplastic accumulation in freshwater lake environments.
Spatiotemporal Patterns, Characteristics, and Ecological Risk of Microplastics in the Surface Waters of Shijiu Lake (Nanjing, China)
Researchers surveyed surface waters of Shijiu Lake and its tributaries in Nanjing, China, during dry and rainy seasons, finding microplastic abundances of 17–31 items/L, with higher concentrations during the rainy season and small particles (38–75 μm) as the dominant fraction.
Rapid urbanization affects microplastic communities in lake sediments: A case study of Lake Aha in southwest China
Researchers investigated how rapid urbanization affects microplastic communities in Lake Aha sediments in southwest China, using sediment core slicing to reveal that urbanization significantly increased microplastic abundance and altered polymer composition over time.
Distribution and changes in microplastics in Taihu Lake and cyanobacterial blooms formed by the aggregation of Microcystis colonies
Researchers investigated microplastic distribution in the surface water and sediments of Taihu Lake, China, finding abundances of 0-3.7 items/L in surface water and 44.42-417.56 items/kg in sediments, and exploring relationships between microplastics, nutrient pollutants, and cyanobacterial bloom formation in this heavily eutrophic freshwater system.
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.
Pollution status of microplastics in the freshwater environment of China: a mini review
This review assessed microplastic pollution in China's freshwater environments including rivers, lakes, and reservoirs, finding widespread contamination in surface waters, sediments, and biota with variations linked to population density and industrial activity.
Multidecadal records of microplastic accumulation in the coastal sediments of the East China Sea
Analysis of sediment cores from the East China Sea inner shelf using SEM-EDS and microplastic-derived carbon quantification showed that microplastic accumulation has increased over decades, accelerating since the 1980s in parallel with China's rapid industrial and population growth.
Tracing the Anthropocene through microplastic sedimentary records: Drivers and spatiotemporal heterogeneity in Baiyangdian Lake, North China
Scientists found that tiny plastic pieces in lake sediment can track how human activities have changed over the past 80 years, with plastic pollution spiking after dam construction in 1963 and again around 2000 due to increased development. The study shows that microplastics are now everywhere in our environment, even in protected nature areas, though at lower levels than in more developed zones. This matters because these tiny plastics can enter our food and water supply, and understanding where they accumulate most helps us better protect both ecosystems and human health.
Spatial and Temporal Variations in Phytoplankton Community in Dianchi Lake Using eDNA Metabarcoding
This paper is not about microplastic pollution. It uses environmental DNA metabarcoding to study phytoplankton communities in Dianchi Lake, China, identifying seasonal and spatial variation in algal species and the environmental factors that drive those changes.
Centennial Records of Microplastics in Lake Cores in Huguangyan Maar Lake, China
Researchers analyzed lake sediment cores from Huguangyan Maar Lake in China to reconstruct a century-long record of microplastic pollution. They found that microplastic accumulation in the sediment closely tracked the history of global plastic production, with a sharp increase beginning in the mid-twentieth century. The study demonstrates that even isolated lakes without direct inlets can accumulate significant microplastic contamination, likely through atmospheric deposition.
Long-term deposition records of microplastics in a plateau lake under the influence of multiple natural and anthropogenic factors
Researchers reconstructed 70 years of microplastic deposition history in a plateau lake in China using sediment cores, finding a steady increase in microplastic abundance linked to both growing population and industrial development, with rayon fibers as the dominant polymer type.
Sedimentary record of microplastics in coastal wetland, eastern China
Researchers analyzed sediment cores from coastal wetlands in Yancheng, China, to reconstruct the history of microplastic pollution and its connection to economic development and policy changes. Evidence indicates that microplastic accumulation patterns in wetland sediments closely track shifts in plastic production, waste management practices, and regional policy interventions over time.
Temporal distribution of microplastics and other anthropogenic particles in four marine species from the Atlantic coast (France)
Researchers examined how microplastic and other anthropogenic particle abundances in lake sediments have changed over time using sediment cores, linking increases to historical industrialization and urbanization. The temporal record provides context for understanding how plastic pollution has accelerated in recent decades.
Cyanobacterial relative enrichment over diatoms: Differential responses of plankton to microplastic pollution in the Zhanghe River, Northern China
Researchers assessed microplastic pollution and its ecological impacts on plankton communities in the Zhanghe River, China, finding that fibrous polyethylene, polypropylene, and polyamide MPs increased from upstream to downstream and were significantly associated with cyanobacterial proliferation while inhibiting diatoms, with a synergistic interaction with total phosphorus potentially amplifying eutrophication risk.
Distribution and Sedimentation of Microplastics in Taihu Lake
Researchers studied microplastic distribution and sedimentation in Taihu Lake, one of China's largest freshwater lakes, and its surrounding rivers. Microplastics were found throughout the lake with higher concentrations near urban and industrial areas, raising concerns for water quality and aquatic life.
Status and characteristics of microplastic pollution in Chinese freshwater environment
This review summarizes research on microplastic distribution, toxic effects on organisms, and interactions with other pollutants in Chinese freshwater environments. The paper calls for strengthened regulation and monitoring of microplastics in China's lakes, rivers, and water supplies.
The rapid increases in microplastics in urban lake sediments
Researchers used sediment cores from an urban lake in Wuhan, China, combined with high-resolution dating techniques, to track microplastic accumulation over the past 60 years. They found that microplastic abundance increased more than tenfold, from 741 to 7,707 items per kilogram, with fibers from textiles being the dominant type. The study suggests that microplastics could serve as geological markers of the Anthropocene era, similar to fossils in the sediment record.
Microplastics in Sediment and Surface Water of West Dongting Lake and South Dongting Lake: Abundance, Source and Composition
Microplastics were found in both surface water and sediments of West Dongting Lake and South Dongting Lake in China, with fibers and fragments as the dominant types and concentrations influenced by proximity to urban and agricultural land use. The study provides the first data on microplastic contamination in China's second-largest freshwater lake system.
[Characterization of Microplastic Pollution of Sediments from Urban Lakes].
Sediments from urban lakes in Maanshan City, China contained microplastics in both spring and summer, with fragments and fibers as the most common types. Local industrial and domestic activities were identified as the likely sources, adding to evidence of widespread microplastic contamination in freshwater sediments.
Evolution of the ecosystem in Baiyangdian Lake
This study examined 70 years of ecological change in Baiyangdian Lake, China's largest freshwater lake on the Haihe Plain, finding progressive eutrophication, elevated cadmium contamination in sediments, and increasing detection of both microplastics and antibiotics linked to rapid industrial development.
Microplastics contributed much less than organic matter to the burial of polycyclic aromatic hydrocarbons by sediments in the past decades: a case study from an urban lake
Researchers analyzed sediment cores from an urban Chinese lake to understand how microplastics and polycyclic aromatic hydrocarbons (PAHs) have accumulated over recent decades. They found that microplastics contributed relatively little to PAH burial compared to organic matter, but microplastic abundance increased steadily alongside industrialization.