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Microplastic: a Comparison of Soil Samples in Minnesota by Population
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Researchers collected soil samples from Minnesota lakes across areas of varying population density to compare microplastic accumulation, finding that plastic pollution in lake sediments correlates with levels of nearby human activity, providing local-scale evidence of population-driven contamination patterns.
Plastic production has greatly increased since the 1950’s, when mass production of plastics began. In 2017 there was an estimated total of 8300 metric tons of plastics produced to date of which 79 percent was estimated to have accumulated in landfills and the natural environment as plastic pollution. Plastic pollution, which has shown to have negative impacts on wildlife, plants and humans, is often correlated with population density. We have taken soil samples from lakes of found in varying population densities to compare results. The soil samples were separated and filtered using the methods provided by Besley et al. 2016. Upon filtration, filters were visually inspected and compared. This study provides a local scale of the difference in microplastic presence in lake soils of varying population densities.
More Papers Like This
Microplastic Abundance in Human-Influenced Soils in Recreational, Residential, and Industrial Areas
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Researchers measured microplastic levels in soils across recreational parks, residential neighborhoods, and industrial zones, finding that human activity significantly increases plastic particle contamination in land we live, play, and work on — with implications for how microplastics enter the food chain through soil.
Microplastic: a Consistent Comparison of Global Sand and Soil Samples
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Researchers systematically collected and analyzed nearly 600 sand and soil samples from every continent using a consistent methodology, providing one of the most geographically comprehensive comparisons of microplastic contamination in terrestrial and coastal environments to date. Standardizing measurement methods is critical for understanding how plastic pollution varies globally and tracking changes over time.
Microplastic: a Consistent Comparison of Global Sand and Soil Samples
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Analysis of nearly 600 sand and soil samples from every continent except Antarctica confirmed that microplastics are ubiquitous across the global biosphere, with consistent presence regardless of location or remoteness. This planetary-scale dataset demonstrates that microplastic contamination is a truly global condition, not limited to industrialized or coastal regions.
A Comparison of Methodologies for Quantifying Microplastics in Soil
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Researchers compared different laboratory methods for detecting and quantifying microplastics in soil, finding that methodology choices significantly affect the results obtained. Standardizing these techniques is important for producing consistent, comparable data to understand how much microplastic contamination exists in agricultural and terrestrial environments.
Microplastics in Terrestrial Soils: Occurrence, Analysis, and Remediation
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Researchers reviewed how microplastics from synthetic polymers have spread throughout terrestrial soils globally, examining detection methods and emerging remediation strategies for a pollutant that now persists in farmlands and natural soils alike.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.