Microplastics may pose a growing threat to the stability of terrestrial ecosystems
In short: Researchers reviewing environmental data suggest that microplastics—plastic fragments smaller than 5 mm—could act as a significant agent of global change. While much focus has been on marine life, this review highlights how these pervasive particles may first interact with land-based organisms, potentially disrupting essential ecosystem functions.
The authors discuss how microplastics interact with soil-dwelling invertebrates, fungi, and pollinators, potentially altering terrestrial geochemistry and biophysical environments. However, the paper notes that the specific impacts on land-based systems remain largely unexplored compared to marine environments, and more research is required to clarify their ultimate fate.
This review synthesizes existing knowledge to highlight the potential for microplastics to disrupt essential ecosystem services, though it emphasizes that the full extent of their terrestrial impact is not yet fully understood.
Why it matters: While marine plastic pollution is well-studied, the potential for microplastics to disrupt land-based life and ecosystem services is a growing concern.
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Sources
- Summary by Intellect · source: Research: Machado et al. (2017). Microplastics as an emerging threat to terrestrial ecosystems. Global Change Biology.
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