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Papers
20 resultsShowing papers similar to Alpine ponds as overlooked hotspots of microplastic hazards: Evidence from the Eastern Qinghai-Tibetan Plateau
ClearSpatial characteristics of microplastics in the high-altitude area on the Tibetan Plateau
Researchers surveyed microplastic contamination across water bodies and sediments on the Tibetan Plateau, one of the most remote high-altitude regions on Earth, and found microplastics in every sample tested. Contamination levels were highest in turbid rivers and agricultural channels, and decreased at higher altitudes where there is less human activity. The study highlights that even remote, high-altitude areas are not free from microplastic pollution.
Microplastics in Qinghai-Tibet Plateau and Yunnan-Guizhou Plateau lakes, China
Researchers surveyed microplastic pollution in lakes across two major Chinese plateaus and found contamination even in these remote, high-altitude environments. Lakes near more human activity (Yunnan-Guizhou Plateau) had significantly higher microplastic levels than the more remote Qinghai-Tibet Plateau, with sewage, agriculture, and fishing being the main sources. The study shows that microplastic pollution reaches even supposedly pristine environments, largely through human activity and atmospheric transport.
New insights into the distribution, potential source and risk of microplastics in Qinghai-Tibet Plateau
Researchers surveyed microplastic pollution across the Qinghai-Tibet Plateau, one of the world's most remote regions, and found contamination in water, sediment, and soil samples. Water samples had the highest concentrations, averaging over 7,000 particles per cubic meter. The presence of microplastics even in this isolated high-altitude environment shows how far plastic pollution has spread globally.
Microplastic convergence in high-altitude lakes of the Tibetan Plateau: Mechanisms, indicators, and risk stratification
Researchers assessed microplastic pollution in 14 high-altitude freshwater lakes above 4,500 meters on the Tibetan Plateau, a region far from major human activity. Microplastics were detected at every site, with PET as the dominant polymer type, suggesting long-range atmospheric transport and local textile sources. The study developed a geospatial risk model showing that precipitation, surface runoff, and proximity to roads are key factors driving microplastic accumulation even in these remote environments.
Occurrence of microplastics in the headwaters of Yellow River on the Tibetan Plateau: Source analysis and ecological risk assessment
Researchers documented microplastic contamination in the headwaters of the Yellow River on the Tibetan Plateau, a remote area often considered pristine. They found polypropylene and polyester particles to be the most common types, with sources linked to both local human activities and atmospheric transport. The study suggests that even remote high-altitude ecosystems are not immune to microplastic pollution and face associated ecological risks.
Heterogenization of microplastic communities in lakes of the Qinghai-Tibetan Plateau driven by tourism and transport activities
Researchers surveyed microplastic pollution in lakes across the Qinghai-Tibetan Plateau and found that tourism and transportation activities were the primary drivers of contamination differences between sites. Lakes near tourist attractions had significantly higher and more diverse microplastic communities than remote lakes. The study demonstrates that human activity is introducing heterogeneous microplastic pollution even into high-altitude plateau ecosystems.
Environmental fate of microplastics in high-altitude basins: the insights into the Yarlung Tsangpo River Basin
Researchers mapped microplastic pollution across the Yarlung Tsangpo River Basin in Tibet, finding contamination in water, sediment, and soil even in remote high-altitude areas. Below 4,000 meters, human activity was the main source, while above 4,500 meters, microplastics arrived through the atmosphere. The study shows that microplastic pollution has reached some of Earth's most remote regions, meaning no freshwater source is truly free from contamination.
Microplastic contamination in lacustrine sediments in the Qinghai-Tibet Plateau: Current status and transfer mechanisms
Researchers investigated microplastic contamination in lacustrine sediments across the Qinghai-Tibet Plateau, finding abundances ranging from 17 to 2,644 items/kg dry weight and identifying atmospheric deposition and river transport as key transfer mechanisms to these remote high-altitude lakes.
Microplastics in a remote lake basin of the Tibetan Plateau: Impacts of atmospheric transport and glacial melting
Researchers investigated microplastic contamination in a remote Tibetan Plateau lake basin, finding that both atmospheric transport via rainfall and glacial melting contribute microplastics to this pristine environment, with concentrations increasing in glacial meltwater areas.
Microplastic contamination in the pristine waters of Tilicho Lake, Nepal: A groundbreaking study in the high-altitude himalayas
Researchers conducted a first-of-its-kind study documenting microplastic contamination in Tilicho Lake, Nepal, one of the world's highest-altitude freshwater lakes, highlighting the penetration of plastic pollution into remote alpine environments.
Potential ecological risk of microplastics contamination to environment in protect area lakes
Researchers studied microplastic contamination in protected area lakes on the Qinghai-Tibetan Plateau and found that even these remote, supposedly pristine environments contain microplastics. The study compared protected lakes with those outside protected areas and found contamination levels varied by region and economic development. This shows that microplastic pollution reaches even the most isolated freshwater sources, which could affect drinking water quality for surrounding communities.
First insights into plastic and microplastic occurrence in biotic and abiotic compartments, and snow from a high-mountain lake (Carnic Alps)
This study provided first data on plastic and microplastic occurrence in both biotic and abiotic samples from high-mountain lakes on the Tibetan Plateau, one of the most remote freshwater ecosystems on Earth. Plastics larger than 5 mm and microplastics were found in lake water and biota, demonstrating that even pristine high-altitude freshwater systems are not free from plastic contamination.
High-mountain lakes as indicators of microplastic pollution: current and future perspectives
This review assessed microplastic pollution in high-mountain lakes, finding these remote ecosystems serve as valuable indicators of atmospheric microplastic transport and global contamination patterns despite limited research to date.
Microplastics in the third pole of the world: Abundance and ecological risk assessment
Researchers measured microplastic contamination across the Yarlung Zangbo River Basin on the Tibetan Plateau, one of the most remote regions on Earth. While overall levels were lower than in more populated areas, concentrations increased downstream near human settlements, with sewage treatment plants identified as a significant entry point. The study shows that even the world's highest and most isolated ecosystems are not free from microplastic pollution.
Analysis of microplastics in a remote region of the Tibetan Plateau: Implications for natural environmental response to human activities
Researchers analyzed microplastic contamination in a remote region of the Tibetan Plateau and found plastic particles in surface water, sediment, and soil even in this sparsely populated area. Tourism was identified as the primary source of water contamination, while agriculture and historical industrial activity contributed to soil pollution. The study demonstrates that microplastic pollution from human activities extends even to some of the most remote environments on Earth.
Microplastic assessment in remote and high mountain lakes of Gilgit Baltistan, Pakistan
Researchers assessed microplastic contamination in eight remote, high-altitude lakes in the mountains of northern Pakistan, finding plastic particles in both water and sediment at all locations. Despite the lakes being far from major population centers, microplastics were present at measurable levels, likely transported by wind and water from lower elevations. The contamination of these pristine mountain lakes is concerning because they serve as water sources for local communities.
Microplastic pollution characteristics and its future perspectives in the Tibetan Plateau
Researchers reviewed microplastic pollution on the Tibetan Plateau, one of the most remote places on Earth, and found plastic particles in rivers, lakes, soil, snow, and even the atmosphere near Mount Everest. While concentrations are lower than in populated areas, the presence of microplastics in such a remote region shows how far these pollutants can travel through air and water currents. The findings underscore that microplastic contamination is truly a global problem with no pristine environments left untouched.
Microplastic pollution in the Himalayas: Occurrence, distribution, accumulation and environmental impacts
This review documents microplastic contamination throughout the Himalayan region, from mountain glaciers and rivers to remote high-altitude locations. Microplastics reach these areas through wind, precipitation, tourism waste, and river transport, and can become trapped in glacial ice before being released during snowmelt. The findings show that even one of the most remote places on Earth is not free from microplastic pollution, with implications for the billions of people who depend on Himalayan rivers for drinking water.
Analysis of microplastics in soils on the high-altitude area of the Tibetan Plateau: Multiple environmental factors
Researchers analyzed microplastic contamination in soils across different land use types on the high-altitude Tibetan Plateau, a remote and sparsely populated region. The study found that microplastic abundance varied with land use, altitude, meteorological conditions, and distance from roads, with greenhouse soils showing the highest concentrations, indicating that even remote high-altitude environments are not free from microplastic pollution.
Microplastics in glaciers of Tibetan Plateau: Characteristics and potential sources
Researchers found microplastics in glaciers across the Tibetan Plateau, one of the most remote regions on Earth, with an average of about 339 particles per liter of snow. The plastics likely traveled through the atmosphere from distant populated areas, showing that microplastic pollution is truly global. Since these glaciers feed major rivers that supply drinking water to billions of people in Asia, this contamination has direct implications for human health.