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JOURNAL OF HAZARDOUS MATERIALS
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Vera S. Koutnik et al.
Summary: The concentration of microplastics in terrestrial environments can vary by up to eight orders of magnitude, with higher concentrations in inland locations such as glaciers and urban stormwater. Studies suggest that microplastic concentrations are lower in water bodies at terrestrial boundaries like estuaries. Fibers are preferentially transported to coastal sediments over inland water bodies, indicating potential differences in microplastic distribution patterns.
ENVIRONMENTAL POLLUTION
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Manikanda K. Bharath et al.
Summary: This study investigated the quality and quantity of microplastic contaminants in water and soil samples at Veeranam lake in Tamil Nadu, India, revealing a variety of microplastic particles such as nylon and polyethylene. The distribution of different types of plastic particles in water and sediment samples was also examined, with nylon, polyethylene, polystyrene, polypropylene, and PVC being the most prominent polymers found.
Article
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Nisha Singh et al.
Summary: The study found that there is a significant amount of microplastics present in sediments and water collected from the Ganga River in India. White color and film-shaped microplastics were the major contributors in all samples, with microplastics of 2.5-5 mm size contributing the most in terms of number and mass. Polyethylene was identified as a widely distributed plastic type in the samples, reflecting its high usability.
MARINE POLLUTION BULLETIN
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Tenzin Tsering et al.
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SCIENCE OF THE TOTAL ENVIRONMENT
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Summary: The study revealed that CeO2 nanoparticles sorbed onto the surfaces of microplastics, with rough microplastics exhibiting a higher sorption capacity for CeO2. Increased salinity promoted sorption, while pH and humic acid showed a negative correlation with sorption capacity.
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Nastaran Razeghi et al.
Summary: Common methods and tools for sampling microplastics in freshwater ecosystems include using Manta trawls for surface water and shovel, trowel, spade, scoop, and spatula for sediments, with Van Veen grab commonly used for deep sediment sampling. There is a need to develop optimal methods to reduce identification time and effort, and to detect smaller-sized plastic particles.
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Summary: This study investigated microplastic contamination in the Yangtze River using different sampling methods. The results showed that the Three Gorges Reservoir had significantly higher microplastic abundance, indicating a barrier effect of dams on microplastic distribution. Fragments dominated in trawling samples, while fibers dominated in filtering water samples.
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Ostin Garces-Ordonez et al.
Summary: The study aimed to investigate the distribution of microplastics in coastal surface waters of the Colombian Caribbean and Pacific, and generate a pollution baseline. Results showed that coastal waters of the Caribbean areas were most polluted by microplastics, with fragments, filaments, and foams made of polyethylene, polypropylene, and polystyrene being the most common forms.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
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Nisha Singh et al.
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Julia Dusaucy et al.
Summary: Research on microplastic pollution in lakes has been increasing in recent years, with lakes being of high interest for biodiversity, ecology, and the economy. Contamination of freshwater ecosystems and lakes is a new and rising topic compared to focus on oceans, requiring consensus between scientific teams.
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