Summary
This review synthesises current understanding of microplastic weathering pathways in soil and aquatic systems, with emphasis on how coexisting environmental constituents—including nutrients, organic matter, and contaminants—influence microplastic behaviour and persistence. The authors examine the potential for microplastics to serve as vectors for pollutant transport and bioavailability in farming and natural ecosystems. The work contributes to assessing microplastic risk in terrestrial agriculture and water quality contexts.
UK applicability
Given the prevalence of microplastic contamination in UK soils (particularly from sewage sludge application and plastic mulch use in horticulture) and freshwaters, this review's findings on weathering mechanisms and contaminant interactions are directly relevant to UK environmental monitoring and agricultural policy regarding soil and water quality. The mechanisms described may inform future regulation of agricultural plastic use and biosolids application in the United Kingdom.
Key measures
Mechanisms of microplastic degradation, sorption of contaminants to microplastics, interactions with inorganic ions and organic matter
Outcomes reported
The study examined the physical and chemical weathering processes of microplastics in terrestrial and aquatic environments, and evaluated how microplastics interact with coexisting soil and water constituents including contaminants and nutrients.
Topic tags
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